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Emerson Y690A Data Sheet

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Bulletin 74.1:Y690A
Y690A Series Gas Blanketing Regulators
W7293
January 2010
Figure 1. Y690A Series Direct-Operated Gas Blanketing Regulators
Features
• Easy Conversion Between Constructions—
Converts easily from Type Y690A to Type Y690AM with two O-rings and one machine screw.
• Sour Gas Service Capability—For sour gas applications, the Y690A Series regulators are available in materials that comply with National Association of Corrosion Engineers (NACE) Standards MR0175 and MR0103.
• Inlet Pressure Equals Outlet Pressure—Full inlet pressure capability on the downstream side of the regulator.
• Corrosion Resistance—Multiple regulator constructions are available in a variety of materials for compatibility with corrosive process gases.
• Multiple Applications—Y690A Series can be used for a wide variety of gases including air, nitrogen, natural gas, sour gas, butane, and propane.
Introduction
www.sherregulators.com
D102591X012
Bulletin 74.1:Y690A
Specications
Available Congurations
Type Y690A: Direct-operated pressure reducing
regulator for outlet pressures up to 7-inches w.c. (17 mbar) equipped with a pitot tube for greater regulated capacities.
Type Y690AH: Direct-operated pressure reducing regulator for outlet pressures up to 7 psig (0,48 bar) equipped with a pitot tube for greater regulated capacities.
Type Y690AM: Direct-operated pressure reducing regulator for outlet pressures up to 7-inches w.c. (17 mbar) equipped with a blocked throat and O-ring stem seal. The lower diaphragm casing is tapped 1/2 NPT for control line connection.
Type Y690AHM: Direct-operated pressure reducing regulator for outlet pressures up to 7 psig (0,48 bar) equipped with a blocked throat and O-ring stem seal. The lower diaphragm casing is tapped 1/2 NPT for control line connection.
Body Sizes
NPS 3/4 or 1 (DN 20 or 25)
End Connection Styles
See Table 1
Maximum Allowable Inlet Pressure
(1)
150 psig (10,3 bar)
Maximum Operating Inlet Pressure
(1)
See Table 4
Maximum Outlet Pressure (Casing)
(1)
150 psig (10,3 bar)
Maximum Emergency Outlet Pressure to Avoid Internal Parts Damage
(1)
150 psig (10,3 bar)
Outlet Pressure Ranges
(1)
See Table 5
Orice Sizes and Flow and Sizing Coefcients
See Table 2
Pressure Registration Types Y690A and Y690AH: Internal Types Y690AM and Y690AHM: External
Flow Capacities
See Tables 9 and 10
Construction Materials
See Table 3
Material Temperature Capabilities
(1)
Nitrile (NBR):
-20° to 180°F (-29° to 82°C)
Fluorocarbon (FKM):
40° to 300°F (4° to 149°C)
Ethylenepropylene (EPDM):
-20° to 275°F (-29° to 135°C)
Peruoroelastomer (FFKM):
-20° to 300°F (-29° to 149°C)
Pressure Setting Adjustment
Adjusting Screw
Spring Case Connection
1/4 NPT
Diaphragm Case Connection
1/2 NPT
Approximate Weight
19 pounds (9 kg)
1. The pressure/temperature limits in this Bulletin and any applicable standard or code limitation should not be exceeded.
2
Table 1. End Connection Styles
Bulletin 74.1:Y690A
BODY SIZE,
NPS (DN)
3/4 or 1
(20 or 25)
Ductile Iron Stainless Steel
NPT
END CONNECTION STYLE
Table 2. Orice Sizes and Flow and Sizing Coefcients
ORIFICE SIZE,
INCHES (mm)
1/8
(3,2)
1/4
(6,4)
3/8
(9,5)
1/2
(13)
9/16
(14)
WIDE-OPEN FOR RELIEF
VALVE SIZING
C
12.3 50
110 200 250
g
C
0.35
1.43
3.14
5.71
7.14
V
C
1
35 0.78 0.50 0.89
IEC SIZING COEFFICIENTS
X
T
Table 3. Construction Materials
BODY DIAPHRAGM CASE SPRING CASE TRIM DIAPHRAGM DISK
Nitrile (NBR),
Ductile iron or
CF8M Stainless steel
Ductile iron or
CF8M Stainless steel
Ductile iron or
CF8M Stainless steel
303 Stainless steel,
316 Stainless steel
Fluorocarbon (FKM), or Polytetrauoroethylene
(PTFE) bonded
Nitrile (NBR)
NPT, SWE,
CL150 RF,
CL300 RF, or
PN 16/25/40
F
D
F
L
Nitrile (NBR),
Fluorocarbon (FKM),
Peruoroelastomer (FFKM),
PTFE, or
Ethylenepropylene (EPDM)
Table 4. Maximum Operating Inlet Pressures in Psig (bar)
OUTLET PRESSURE RANGES
ORIFICE
SIZE,
INCHES (mm)
2.5-Inches w.c.
Type Y690A Types Y690AH and Y690AM
1 to
(2 to 6 mbar)
2.5 to
7-Inches w.c.
(6 to 17 mbar)
5 to
10-Inches w.c.
(12 to 25 mbar)
7 to
16-Inches w.c.
(17 to 40 mbar)
15-Inches w.c.
to 1.2 Psig
(37 to 83 mbar)
1.2 to 2.5 Psig (83 mbar
to 0,17 bar)
2.5 to 4.5 Psig
(0,17 to 0,31 bar)
4.5 to 7 Psig
(0,31 to 0,48 bar)
1/8 (3,2) 150 (10,3) 150 (10,3) 150 (10,3) 150 (10,3) 150 (10,3) 150 (10,3) 150 (10,3) 150 (10,3)
1/4 3/8
1/2
9/16
(6,4) (9,5)
(13) (14)
40 20
10
5
(2,8) (1,4)
(0,69) (0,34)
60 20
10
5
(4,1) (1,4)
(0,69) (0,34)
75 35
8 5
(5,2) (2,4)
(0,55) (0,34)
75 35
8 5
(5,2) (2,4)
(0,55) (0,34)
75 35
8 5
(5,2) (2,4)
(0,55) (0,34)
150
60
10
6
(10,3) (4,1)
(0,69) (0,41)
150
60
12
8
(10,3) (4,1)
(0,83) (0,55)
150
Table 5. Outlet (Control) Pressure Ranges and Spring Part Numbers
TYPES
Y690A and
Y690AM
Y690AH and
15-inches w.c. to 1.2 psig
Y690AHM
1. To achieve the published outlet pressure range the spring case must be installed pointing down.
2. Do not use uorocarbon (FKM) diaphragm with this spring at diaphragm temperatures lower than 60°F (16°C).
OUTLET (CONTROL)
PRESSURE RANGE
1 to 2.5-inches w.c.
2.5 to 7-inches w.c.
5 to 10-inches w.c. 7 to 16-inches w.c.
1.2 to 2.5 psig
2.5 to 4.5 psig
4.5 to 7 psig
(2 to 6 mbar) (6 to 17 mbar)
(12 to 25 mbar) (17 to 40 mbar) (37 to 83 mbar)
(83 mbar to 0,17 bar) (0,17 to 0,31 bar) (0,31 to 0,48 bar)
SPRING PART
NUMBER
1B558527052
1B653827052
1B653827052 1B653927022 1B537027052
1B537127022 1B537227022 1B537327052
(1)(2)
(1)
SPRING
COLOR
Orange
Red
Red
Unpainted
Yellow
Light green
Light blue
Black
SPRING WIRE DIAMETER,
INCHES (mm)
0.072
(1,83)
0.085
(2,16)
0.085
(2,16)
0.105
(2,67)
0.114
(2,90)
0.156
(3,96)
0.187
(4,75)
0.218
(5,54)
SPRING FREE LENGTH,
INCHES (mm)
3.78 (96,0)
3.63 (92,2)
3.63 (92,2)
3.75 (95,2)
4.31 (109)
4.06 (103)
3.94 (100)
3.98 (101)
60
12
8
(10,3) (4,1)
(0,83) (0,55)
3
Bulletin 74.1:Y690A
VALVE DISK
PITOT TUBE FOR TYPES Y690A AND Y690AH
INLET PRESSURE
OUTLET PRESSURE
ATMOSPHERIC PRESSURE
B2625
Figure 2. Y690A Series Operational Schematic
VALVE STEM
SLIDING PUSHER POST
DOWNSTREAM CONTROL LINE FOR TYPES Y690AM AND Y690AHM
LEVER
OVERPRESSURE SPRING
Principle of Operation
With Internal Registration (Refer to Figure 3)
Types Y690A and Y690AH are direct-operated regulators with internal registration (see Figures 2 and 3). It provides a constant set pressure for accurate gas blanketing. When vessel pressure decreases below the control spring setpoint, the force of the spring moves the disk away from the orice allowing gas to ow into the vessel. As the vessel pressure increases, the increase is sensed by the diaphragm through the pitot tube. This movement of the diaphragm causes the disk to move toward the orice, decreasing the ow of blanketing gas. When the vessel pressure reaches the system setpoint, the disk will seat against the orice shutting off the ow of gas.
With External Registration (Refer to Figure 4)
Types Y690AM and Y690AHM Gas Blanketing Regulators reduce a higher-pressure gas to maintain a positive low pressure of blanket gas over a stored liquid. Also when the vessel (or tank) is suddenly cooled, causing vapors to contract, the regulator
replaces the volume of contracting vapors with a volume of blanketing gas to prevent the internal vessel pressure from decreasing. In both cases, a positive vessel pressure prevents outside air from entering the vessel and reduces the possibility of atmospheric pressure collapsing the vessel.
Gas blanketing regulators respond to a slight decrease in internal vessel pressure (caused by pump out or atmospheric cooling) by throttling open to increase the ow rate of gas into the vessel. When the vessel’s liquid level has been lowered to the desired point and the vapor pressure has been reestablished, the regulator throttles close.
When the liquid level drops and vessel pressure decreases below the setting of the control spring, the spring force on the diaphragm opens the disk assembly to supply the required ow of gas to the vessel. When vessel pressure has been satised, outlet pressure tends to increase slightly, acting on the diaphragm. When the outlet pressure exceeds the control spring setting, the diaphragm moves to close the disk assembly.
4
INLET PRESSURE
GAS BLANKETING PRESSURE
ATMOSPHERIC PRESSURE
BLOCK
VALVE
VENT
VALVE
SUPPLY
PRESSURE
GAS BLANKETING PRESSURE
VESSEL/TANK
VENT
VALVE
BLOCK
VALVE
Bulletin 74.1:Y690A
Figure 3. Type Y690A or Y690AH with Internal Registration Operational Schematic
VENT
VALVE
BLOCK
VALVE
VENT
VALVE
INLET PRESSURE
GAS BLANKETING PRESSURE
ATMOSPHERIC PRESSURE
BLOCK
VALVE
GAS BLANKETING PRESSURE
VENT POINTED DOWN
VESSEL/TANK
VENT
VALVE
BLOCK
VALVE
Figure 4. Type Y690AM or Y690AHM Gas Blanketing Regulator with External Registration Operational Schematic
5
Bulletin 74.1:Y690A
Table 6. Vessel Capacity
VESSEL CAPACITY
Barrels Gallons Liters
60 100 500
1000 2000
3000 4000
5000 10 000 15 000
20 000 25 000 30 000 35 000 40 000
45 000 50 000 60 000 70 000 80 000
90 000
100 000 120 000 140 000 160 000
180 000 7 560 000 28 616 000 90 000 (2412)
1. Flash point is below 100°F (38°C) or normal boiling point is below 300°F (149°C).
2500
4200 21 000 42 000 84 000
126 000 168 000 210 000 420 000 630 000
840 000 1 050 000 1 260 000 1 470 000 1 680 000
1 890 000 2 100 000 2 520 000 2 940 000 3 360 000
3 780 000 4 200 000 5 040 000 5 880 000 6 720 000
9500 16 000 79 500
159 000 318 000
477 000 636 000
795 000 1 590 000 2 385 000
3 180 000 3 975 000 4 769 000 5 564 000 6 359 000
7 154 000 7 949 000 9 539 000
11 129 000 12 718 000
14 308 000 15 898 000 19 078 000 22 257 000 25 437 000
SCFH (Nm3/h) AIR FLOW
RATE REQUIRED
60
(1,6)
100
(2,7)
500
(13,4)
1000
(26,8)
2000
(53,6)
3000
(80,4)
4000
(107)
5000
(134)
10 000
(268)
15 000
(402)
20 000
(536)
24 000
(643)
28 000
(750)
31 000
(831)
34 000
(911)
37 000
(992)
40 000
(1072)
44 000
(1179)
48 000
(1286)
52 000
(1394)
56 000
(1501)
60 000
(1608)
68 000
(1822)
75 000
(2010)
82 000
(2198)
Table 7. Correction Factors (for converting nitrogen ow rates to other gas ow rates)
(1)
BLANKET GAS SPECIFIC GRAVITY CORRECTION FACTOR
Natural Gas 0.60 1.270
Air 1.00 0.985
Dry CO
2
1.52 0.797
Correction Factor =
0.985 SG
Table 8. Flow Rate Conversion
MULTIPLY MAXIMUM
PUPM RATE IN
U.S. GPM U.S. GPH
Barrels/hour
Barrels/day
1. To convert to Nm3/h multiply SCFH by 0.0268.
BY TO OBTAIN
8.021
0.1337
5.615
0.2340
SCFH air required
(1)
Product Description
Y690A Series Pressure Reducing Regulators
Very low-pressure (Types Y690A and Y690AM) and higher-pressure versions (Types Y690AH and Y690AHM) are available for operating inlet pressures up to 150 psig (10,3 bar) and outlet pressures settings from 1-inch w.c. to 7 psig (2 mbar to 0,48 bar). Refer to Table 5 for outlet pressure ranges of each type. These regulators are available in NPS 3/4 and 1 (DN 20 and 25) body sizes with the end connections as shown in Table 1.
Downstream Control Line
Types Y690AM and Y690AHM regulators have a blocked throat stem seal with O-rings and a 1/2 NPT control line connection in the diaphragm case (Figure 2). The control line can be used to more accurately control the pressure in the tank if the regulator is mounted an extended distance from the control point. The stem seal separates the body outlet pressure from the diaphragm case.
Sliding Pusher Post
The diaphragm assembly of the regulator is equipped with a sliding pusher post. During an overpressure situation (outlet pressure above setpoint or lockup pressure), the spring of the sliding pusher post is compressed, allowing the diaphragm head to come to rest on the spring case. This action prevents any damage to internal parts.
Sizing Blanketing Systems
When sizing a gas blanketing regulator system for a low-pressure blanketing application, you must consider the replacement of blanketing gas required for the liquid loss during pump out of the vessel plus the condensation/contraction of vessel vapors during atmospheric thermal cooling. Using the established procedures from American Petroleum Institute Standard 2000 (API 2000), determine the ow rate of blanketing gas required.
1. Determine the gas ow rate required to replace the liquid being pumped out (see Table 8).
2. Determine the gas ow rate due to “inbreathing” caused by atmospheric thermal cooling (see Table 6).
6
Bulletin 74.1:Y690A
3. Add the requirements of 1 and 2 and select regulator size, based on total capacity required from Table 9 or 10.
Sample sizing problem for blanketing applications:
Vessel Capacity . . . . . . . . . . . . 12 500 gallons (47 318 l)
Pump In/Out Capacity . . . . . . . . . 120 GPM (454 l/min)
Inlet Pressure Source . . . . . . . 60 psig (4,1 bar) Nitrogen
Desired Blanket Setpoint . . . . . . 3.0-inches w.c. (7 mbar)
1. From Table 8, the desired air ow rate due to pump out equals 120 GPM (454 l/min) x 8.021 = 963 SCFH (25,8 Nm³/h) air.
2. From Table 6, interpolate to determine the required air ow due to thermal cooling = 300 SCFH (8,0 Nm³/h) air.
3. Total ow required for pump out and thermal cooling is 963 + 300 = 1263 SCFH (33,8 Nm³/h) air.
4. Convert to nitrogen by dividing the total air ow by the square root of the specic gravity of nitrogen: 1263 divided by square root of 0.97 = 1282 SCFH (34,4 Nm³/h) nitrogen.
Attach a downstream pressure control line to the 1/2 NPT connection in the lower diaphragm case. Connect the other end of the control line to the vessel. To allow for self-drainage, install the control line at an angle so that any liquid material will drain away from the regulator. See Figures 2 and 4 for the location of the external control line connection. External dimensions and connections are shown in Figure 5.
Universal NACE Compliance
Optional materials are available for applications handling sour gases. These constructions comply with the recommendations of National Association of Corrosion Engineers (NACE) sour service standards.
The manufacturing processes and materials used by Emerson assure that all products specied for sour gas service comply with the chemical, physical, and metallurgical requirements of NACE MR0175/ ISO 15156 and/or NACE MR0103. Customers have the responsibility to specify correct materials. Environmental limitations may apply and shall be determined by the user.
5. From Table 9, an NPS 1 (DN 25) body size Type Y690A with a 1/4-inch (6,4 mm) orice will ow 1323 SCFH (35,5 Nm³/h) nitrogen at 60 psig (4,1 bar) inlet pressure. This will satisfy the required ow of 1282 SCFH (34,4 Nm³/h) nitrogen.
Installation
Types Y690A and Y690AH
Install the regulator with the spring case barrel pointed down. This will assure that the lowest set pressure shown in Table 5 is achieved. Flow through the regulator body is indicated by the ow arrow cast on the body. If a block valve is required, install a full ow valve between the regulator and the blanketed vessel.
Types Y690AM and Y690AHM
The regulator may be installed in any position as long as the ow through the body is in the direction indicated by the ow arrow attached to the body. Install the regulator as close as possible to the blanketed vessel using a straight run of pipe the same size as or larger than the regulator body. Position the body and/or diaphragm spring case so it will not collect moisture or debris into the screened vent and also be self draining (as shown in Figure 4). If a block valve is required, install a full ow valve between the regulator and the blanketed vessel.
Capacity Information
Capacity tables are based on 0.97 specic gravity nitrogen. Nitrogen is the most common blanketing gas. Should you use a different gas, convert the tabular values as follows. For blanketing (pad) gases other than nitrogen, multiply the given nitrogen ow rate by the correction factors in Table 7. For gases of other specic gravities, multiply the given nitrogen ow rate by 0.985, and divide by the square root of the appropriate specic gravity.
520
Q =
To determine wide-open ow capacities for relief sizing, use the following formula:
where,
Cg = gas sizing coefcient from Table 2
C1 = Cg /Cv, or 35 from Table 2
G = gas specic gravity (air = 1.0)
P
= inlet pressure, psia (add 14.7 psi to gauge inlet
1abs
pressure to obtain absolute inlet pressure)
Q = ow rate, SCFH
T = absolute temperature in °Rankine of gas at inlet
CgP1Sin
GT
3417
C
1
P
Deg
P
1
7
Bulletin 74.1:Y690A
Table 9. Types Y690A and Y690AM Capacities
OUTLET
BODY SIZE,
NPS (DN)
3/4 (20)
- Shaded areas indicate maximum allowable inlet pressure is exceeded.
1. Deviation from setpoint is -1 to 2-inches w.c. (-2 to 5 mbar).
PRESSURE
RANGE,
PART NUMBER,
AND COLOR
1 to
2.5-inches w.c. (2 to 6 mbar)
1B558527052
Orange
2.5 to
7-inches w.c.
(6 to 17 mbar)
1B653827052
Red
OUTLET
PRESSURE
SETTING
1-inch w.c.
(2 mbar)
2.5-inches w.c. (6 mbar)
2.5-inches w.c. (6 mbar)
3-inches w.c.
(7 mbar)
7-inches w.c.
(17 mbar)
INLET
PRESSURE,
PSIG (bar)
2 (0,14) 122 (3,3) 305 (8,2) 356 (9,5) 468 (12,5) 611 (16,4)
5 (0,34) 183 (4,9) 417 (11,2) 458 (12,3) 611 (16,4) 713 (19,1) 10 (0,69) 204 (5,5) 591 (15,8) 540 (14,5) 814 (21,8) 20 (1,4) 285 (7,6) 621 (16,6) 662 (17,7) 40 (2,8) 611 (16,4) 987 (26,4) 60 (4,1) 814 (21,8)
80 (5,5) 916 (24,5)
100 (6,9) 1018 (27,3)
125 (8,6) 1222 (32,8)
150 (10,3) 1323 (35,5)
2 (0,14) 122 (3,3) 356 (9,5) 407 (10,9) 652 (17,5) 784 (21,0)
5 (0,34) 204 (5,5) 509 (13,6) 611 (16,4) 835 (22,4) 967 (25,9) 10 (0,69) 224 (6,0) 672 (18,0) 764 (20,5) 1038 (27,8) 20 (1,4) 285 (7,6) 784 (21,0) 967 (25,9) 40 (2,8) 662 (17,7) 1038 (27,8) 60 (4,1) 916 (24,5) 80 (5,5) 1069 (28,6)
100 (6,9) 1171 (31,4) 125 (8,6) 1222 (32,8) 150 (10,3) 1273 (34,1)
2 (0,14) 122 (3,3) 204 (5,5) 234 (6,3) 458 (12,3) 499 (13,4)
5 (0,34) 183 (4,9) 275 (7,4) 540 (14,5) 611 (16,4) 692 (18,5) 10 (0,69) 234 (6,3) 458 (12,3) 713 (19,1) 825 (22,1) 20 (1,4) 255 (6,8) 641 (17,2) 916 (24,5) 40 (2,8) 611 (16,4) 886 (23,7) 60 (4,1) 794 (21,3) 1273 (34,1) 80 (5,5) 967 (25,9)
100 (6,9) 1028 (27,6) 125 (8,6) 1171 (31,4) 150 (10,3) 1232 (33,0)
2 (0,14) 112 (3,0) 193 (5,2) 234 (6,3) 428 (11,5) 468 (12,5)
5 (0,34) 132 (3,5) 275 (7,4) 509 (13,6) 621 (16,6) 692 (18,5) 10 (0,69) 193 (5,2) 458 (12,3) 713 (19,1) 804 (21,5) 20 (1,4) 255 (6,8) 641 (17,2) 916 (24,5) 40 (2,8) 590 (15,8) 875 (23,5) 60 (4,1) 723 (19,4) 1069 (28,6) 80 (5,5) 1008 (27,0)
100 (6,9) 1150 (30,8) 125 (8,6) 1303 (34,9) 150 (10,3) 1354 (36,3)
2 (0,14) 122 (3,3) 163 (4,4) 193 (5,2) 316 (8,5) 407 (10,9)
5 (0,34) 193 (5,2) 224 (6,0) 448 (12,0) 529 (14,2) 611 (16,4) 10 (0,69) 204 (5,5) 407 (10,9) 672 (18,0) 774 (20,7) 20 (1,4) 224 (6,0) 550 (14,7) 957 (25,6) 40 (2,8) 499 (13,4) 733 (19,6) 60 (4,1) 611 (16,4) 1018 (27,3) 80 (5,5) 682 (18,3)
100 (6,9) 804 (21,5) 125 (8,6) 855 (22,9) 150 (10,3) 1079 (28,9)
CAPACITIES IN SCFH (Nm3/h) OF NITROGEN
Orice Size, Inches (mm)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
(1)
- continued -
8
Table 9. Types Y690A and Y690AM Capacities (continued)
OUTLET
BODY SIZE,
NPS (DN)
1 (25)
- Shaded areas indicate maximum allowable inlet pressure is exceeded.
1. Deviation from setpoint is -1 to 2.0-inches w.c. (-2 to 5 mbar).
PRESSURE
RANGE,
PART NUMBER,
AND COLOR
1 to
2.5-inches w.c. (2 to 6 mbar)
1B558527052
Orange
2.5 to
7-inches w.c.
(6 to 17 mbar)
1B653827052
Red
OUTLET
PRESSURE
SETTING
1-inch w.c.
(2 mbar)
2.5-inches w.c. (6 mbar)
2.5-inches w.c. (6 mbar)
3-inches w.c.
(7 mbar)
7-inches w.c.
(17 mbar)
INLET
PRESSURE,
PSIG (bar)
2 (0,14) 112 (3,0) 316 (8,5) 468 (12,5) 489 (13,1) 967 (25,9)
5 (0,34) 193 (5,2) 356 (9,5) 1008 (27,0) 1120 (30,0) 1161 (31,1) 10 (0,69) 244 (6,5) 814 (21,8) 1140 (30,6) 1547 (41,5) 20 (1,4) 356 (9,5) 947 (25,4) 1344 (36,0) 40 (2,8) 662 (17,7) 1140 (30,6) 60 (4,1) 977 (26,2) 80 (5,5) 1191 (31,9)
100 (6,9) 1323 (35,5) 125 (8,6) 1395 (37,4) 150 (10,3) 1446 (38,7)
2 (0,14) 122 (3,3) 295 (7,9) 346 (9,3) 478 (12,8) 804 (21,5)
5 (0,34) 204 (5,5) 356 (9,5) 753 (20,2) 947 (25,4) 1161 (31,1) 10 (0,69) 244 (6,5) 753 (20,2) 957 (25,6) 1262 (33,8) 20 (1,4) 356 (9,5) 916 (24,6) 1273 (34,1) 40 (2,8) 611 (16,4) 1252 (33,6) 60 (4,1) 957 (25,6) 80 (5,5) 1191 (31,9)
100 (6,9) 1323 (35,5) 125 (8,6) 1415 (37,9) 150 (10,3) 1537 (41,2)
2 (0,14) 112 (3,0) 132 (3,5) 275 (7,4) 478 (12,8) 641 (17,2)
5 (0,34) 183 (4,9) 305 (8,2) 601 (16,1) 774 (20,7) 875 (23,4) 10 (0,69) 265 (7,1) 611 (16,4) 814 (21,8) 1099 (29,5) 20 (1,4) 326 (8,7) 672 (18,0) 1161 (31,1) 40 (2,8) 590 (15,8) 987 (26,5) 60 (4,1) 896 (24,0) 1323 (35,5) 80 (5,5) 1028 (27,6)
100 (6,9) 1222 (32,8) 125 (8,6) 1303 (34,9) 150 (10,3) 1425 (38,2)
2 (0,14) 102 (2,7) 153 (4,1) 204 (5,5) 448 (12,0) 509 (13,6)
5 (0,34) 173 (4,6) 305 (8,2) 570 (15,3) 570 (15,3) 682 (18,3) 10 (0,69) 255 (6,8) 540 (14,5) 723 (19,4) 855 (22,9) 20 (1,4) 305 (8,2) 672 (18,0) 1028 (27,6) 40 (2,8) 519 (13,9) 987 (26,5) 60 (4,1) 764 (20,5) 1323 (35,5) 80 (5,5) 1018 (27,3)
100 (6,9) 1222 (32,8) 125 (8,6) 1303 (34,9) 150 (10,3) 1425 (38,2)
2 (0,14) 102 (2,7) 153 (4,1) 204 (5,5) 377 (10,1) 397 (10,6)
5 (0,34) 173 (4,6) 305 (8,2) 438 (11,7) 540 (14,5) 672 (18,0) 10 (0,69) 204 (5,5) 387 (10,4) 590 (15,8) 845 (22,6) 20 (1,4) 285 (7,6) 621 (16,6) 794 (21,3) 40 (2,8) 407 (10,9) 794 (21,3) 60 (4,1) 580 (15,5) 1323 (35,5) 80 (5,5) 662 (17,7)
100 (6,9) 764 (20,5) 125 (8,6) 875 (23,5) 150 (10,3) 1150 (30,8)
Bulletin 74.1:Y690A
CAPACITIES IN SCFH (Nm3/h) OF NITROGEN
Orice Size, Inches (mm)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
(1)
9
Bulletin 74.1:Y690A
Table 10. Types Y690AH and Y690AHM Capacities
OUTLET
PRESSURE
RANGE,
CONTROL
SPRING PART
NUMBER,
AND COLOR
5 to
10-inches w.c.
(12 to 25 mbar)
1B653827052
Red
7 to
16-inches w.c.
(17 to 40 mbar)
1B653927022
Unpainted
15-inches w.c.
to 1.2 psig (37 mbar to
83 mbar)
1B537027052
Yellow
- Shaded areas indicate inlet pressure is too high for orice size.
OFFSET
FROM
SETPOINT
1-inch w.c.
(2 mbar)
1-inch w.c.
(2 mbar)
5.5-inches w.c. (14 mbar)
OUTLET
PRESSURE
SETTING
7-inches w.c.
(17 mbar)
11-inches w.c.
(27 mbar)
15-inches w.c.
(37 mbar)
1.2 psig
(83 mbar)
NPS 3/4 (DN 20) BODY SIZE
INLET
PRESSURE,
PSIG (bar)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
1 (69 mbar) 71 (1,9) 183 (4,9) 193 (5,2) 326 (8,7) 346 (9,3)
5 (0,34) 173 (4,6) 356 (9,5) 387 (10,4) 407 (10,9) 764 (20,5)
8 (0,55) 183 (4,9) 417 (11,2) 428 (11,5) 468 (12,5)
20 (1,4) 407 (10,9) 489 (13,1) 509 (13,6)
35 (2,4) 519 (13,9) 662 (17,7) 713 (19,1)
75 (5,2) 611 (16,4) 753 (20,2)
150 (10,3) 1323 (35,5)
1 (69 mbar) 71 (1,9) 122 (3,3) 153 (4,1) 183 (4,9) 193 (5,2)
5 (0,34) 122 (3,3) 224 (6,0) 275 (7,4) 417 (11,2) 590 (15,8)
8 (0,55) 132 (3,5) 336 (9,0) 356 (9,5) 428 (11,5)
20 (1,4) 275 (7,4) 468 (12,5) 478 (12,8)
35 (2,4) 407 (10,9) 489 (13,1) 509 (13,6)
75 (5,2) 509 (13,6) 743 (19,9)
150 (10,3) 1323 (35,5)
2 (0,14) 71 (1,9) 397 (10,6) 713 (19,1) 865 (23,2) 906 (24,3)
6 (0,41) 193 (5,2) 733 (19,6) 1293 (34,7) 1659 (44,5)
10 (0,69) 265 (7,1) 1089 (29,2) 1527 (40,9)
30 (2,1) 540 (14,5) 1883 (50,5) 1934 (51,8)
60 (4,1) 916 (24,5) 2749 (73,7)
150 (10,3) 2026 (54,3)
2 (0,14) 71 (1,9) 326 (8,7) 478 (12,8) 641 (17,2) 550 (14,7)
6 (0,41) 193 (5,2) 550 (14,7) 1018 (27,3) 1120 (30,0)
10 (0,69) 244 (6,5) 804 (21,5) 1120 (30,0)
30 (2,1) 529 (14,2) 1629 (43,7) 1914 (51,3)
60 (4,1) 896 (24,0) 2647 (70,9)
150 (10,3) 1955 (52,4)
Capacities in SCFH (Nm³/h) of Nitrogen
Orice Size, Inches (mm)
10
- continued -
Table 10. Types Y690AH and Y690AHM Capacities (continued)
Bulletin 74.1:Y690A
OUTLET
PRESSURE
RANGE,
CONTROL
SPRING PART
NUMBER,
AND COLOR
1.2 to 2.5 psig (83 mbar to
0,17 bar)
1B537127022
Light green
2.5 to 4.5 psig
(0,17 to 0,31 bar)
1B537227022
Light blue
4.5 to 7 psig
(0,31 to 0,48 bar)
1B537327052
Black
- Shaded areas indicate inlet pressure is too high for orice size.
OFFSET
FROM
SETPOINT
0.2 psig
(14 mbar)
0.3 psig
(21 mbar)
0.7 psig
(48 mbar)
OUTLET
PRESSURE
SETTING
1.2 psig
(83 mbar)
2.5 psig
(0,17 bar)
2.5 psig
(0,17 bar)
4.5 psig
(0,31 bar)
4.5 psig
(0,31 bar)
7 psig
(0,48 bar)
NPS 3/4 (DN 20) BODY SIZE
INLET
PRESSURE,
PSIG (bar)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
2 (0,14) 92 (2,5) 173 (4,6) 275 (7,4) 387 (10,4) 407 (10,9)
6 (0,41) 143 (3,8) 356 (9,5) 580 (15,5) 672 (18,0) 845 (22,7)
10 (0,69) 153 (4,1) 468 (12,5) 794 (21,3) 926 (24,8)
30 (2,1) 438 (11,7) 1222 (32,8) 1354 (36,3)
60 (4,1) 682 (18,3) 1955 (52,4) 1843 (49,4)
150 (10,3) 1568 (42,0) 4031 (108)
6 (0,41) 102 (2,7) 204 (5,5) 356 (9,5) 468 (12,5) 540 (14,5)
10 (0,69) 132 (3,5) 387 (10,4) 448 (12,0) 682 (18,3)
30 (2,1) 336 (9,0) 774 (20,7) 814 (21,8)
60 (4,1) 590 (15,8) 1527 (40,9) 1771 (47,5)
150 (10,3) 1171 (31,4) 2647 (70,9)
4 (0,28) 112 (3,0) 153 (4,1) 244 (6,5) 295 (7,9) 377 (10,1)
8 (0,55) 112 (3,0) 285 (7,6) 407 (10,9) 560 (15,0) 631 (16,9)
12 (0,83) 153 (4,1) 387 (10,4) 540 (14,5) 733 (19,6)
30 (2,1) 336 (9,0) 713 (19,1) 875 (23,5)
60 (4,1) 519 (13,9) 1364 (36,6) 1446 (38,8)
150 (10,3) 1242 (33,3) 3644 (97,7)
8 (0,55) 92 (2,5) 193 (5,2) 316 (8,5) 407 (10,9) 428 (11,5)
12 (0,83) 122 (3,3) 255 (6,8) 417 (11,2) 570 (15,3)
30 (2,1) 234 (6,3) 601 (16,1) 652 (17,5)
60 (4,1) 468 (12,5) 967 (25,9) 1059 (28,4)
150 (10,3) 967 (25,9) 2850 (76,4)
9 (0,62) 153 (4,1) 336 (9,0) 489 (13,1) 733 (19,6) 784 (21,0)
12 (0,83) 163 (4,4) 438 (11,7) 641 (17,2) 906 (24,3)
30 (2,1) 407 (10,9) 865 (23,2) 1425 (38,2)
60 (4,1) 682 (18,3) 1619 (43,4) 2138 (57,3)
150 (10,3) 1547 (41,5) 3980 (107)
9 (0,62) 122 (3,3) 214 (5,7) 407 (10,9) 489 (13,1) 519 (13,9)
12 (0,83) 153 (4,1) 295 (7,9) 509 (13,6) 682 (18,3)
30 (2,1) 305 (8,2) 713 (19,1) 1049 (28,1)
60 (4,1) 631 (16,9) 1354 (36,3) 1934 (51,8)
150 (10,3) 1507 (40,4) 3197 (85,7)
Capacities in SCFH (Nm³/h) of Nitrogen
Orice Size, Inches (mm)
- continued -
11
Bulletin 74.1:Y690A
Table 10. Types Y690AH and Y690AHM Capacities (continued)
OUTLET
PRESSURE
RANGE,
CONTROL
SPRING PART
NUMBER,
AND COLOR
5 to
10-inches w.c.
(12 to 25 mbar)
1B653827052
Red
7 to
16-inches w.c.
(17 to 40 mbar)
1B653927022
Unpainted
15-inches w.c
to 1.2 psig
(37 to 83 mbar)
1B537027052
Yellow
- Shaded areas indicate inlet pressure is too high for orice size.
OFFSET
FROM
SETPOINT
1-inch w.c.
(2 mbar)
1-inch w.c.
(2 mbar)
5.5-inches w.c. (14 mbar)
OUTLET
PRESSURE
SETTING
7-inches w.c.
(17 mbar)
11-inches w.c.
(27 mbar)
15-inches w.c.
(37 mbar)
1.2 psig
(83 mbar)
NPS 1 (DN 25) BODY SIZE
INLET
PRESSURE,
PSIG (bar)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
1 (69 mbar) 71 (1,9) 193 (5,2) 234 (6,3) 326 (8,7) 417 (11,2)
5 (0,34) 173 (4,6) 356 (9,5) 896 (24,0) 1496 (40,1) 1517 (40,7)
8 (0,55) 183 (4,9) 417 (11,2) 1690 (45,3) 1863 (49,9)
20 (1,4) 407 (10,9) 1425 (38,2) 926 (24,8)
35 (2,4) 560 (15,0) 1812 (48,6) 733 (19,6)
75 (5,2) 814 (21,8) 1099 (29,5)
150 (10,3) 1323 (35,5)
1 (69 mbar) 71 (1,9) 132 (3,5) 163 (4,4) 183 (4,9) 193 (5,2)
5 (0,34) 122 (3,3) 244 (6,5) 407 (10,9) 489 (13,1) 916 (24,6)
8 (0,55) 132 (3,5) 336 (9,0) 916 (24,6) 1150 (30,8)
20 (1,4) 275 (7,4) 611 (16,4) 1283 (34,4)
35 (2,4) 438 (11,7) 1425 (38,2) 937 (25,1)
75 (5,2) 967 (25,9) 1191 (31,9)
150 (10,3) 1374 (36,8)
2 (0,14) 71 (1,9) 397 (10,6) 865 (23,2) 916 (24,6) 1140 (30,6)
6 (0,41) 193 (5,2) 733 (19,6) 1975 (52,9) 2209 (59,2)
10 (0,69) 265 (7,1) 1252 (33,6) 2565 (68,7)
30 (2,1) 540 (14,5) 2229 (59,7) 4306 (115)
60 (4,1) 916 (24,6) 3644 (97,7)
150 (10,3) 2026 (54,3)
2 (0,14) 71 (1,9) 366 (9,8) 865 (23,2) 916 (24,6) 1018 (27,3)
6 (0,41) 193 (5,2) 550 (14,7) 1222 (32,8) 1313 (35,2)
10 (0,69) 255 (6,8) 804 (21,6) 2107 (56,5)
30 (2,1) 529 (14,2) 2016 (54,0) 3624 (97,1)
60 (4,1) 896 (24,0) 3309 (88,7)
150 (10,3) 2026 (54,3)
Capacities in SCFH (Nm3/h) of Nitrogen
Orice Size, Inches (mm)
12
- continued -
Table 10. Types Y690AH and Y690AHM Capacities (continued)
Bulletin 74.1:Y690A
OUTLET
PRESSURE
RANGE,
CONTROL
SPRING PART
NUMBER,
AND COLOR
1.2 to 2.5 psig (83 mbar to
0,17 bar)
1B537127022
Light green
2.5 to 4.5 psig
(0,17 to 0,31 bar)
1B537227022
Light blue
4.5 to 7 psig
(0,31 to 0,48 bar)
1B537327052
Black
- Shaded areas indicate inlet pressure is too high for orice size.
OFFSET
FROM
SETPOINT
0.2 psig
(14 mbar)
0.3 psig
(21 mbar)
0.7 psig
(48 mbar)
OUTLET
PRESSURE
SETTING
1.2 psig
(83 mbar)
2.5 psig
(0,17 bar)
2.5 psig
(0,17 bar)
4.5 psig
(0,31 bar)
4.5 psig
(0,31 bar)
7 psig
(0,48 bar)
NPS 1 (DN 25) BODY SIZE
INLET
PRESSURE,
PSIG (bar)
1/8 (3,2) 1/4 (6,4) 3/8 (9,5) 1/2 (13) 9/16 (14)
2 (0,14) 92 (2,5) 183 (4,9) 366 (9,8) 489 (13,1) 519 (13,9)
6 (0,41) 143 (3,8) 356 (9,5) 865 (23,2) 692 (18,6) 855 (22,9)
10 (0,69) 153 (4,1) 509 (13,6) 1110 (29,8) 1384 (37,1)
30 (2,1) 499 (13,4) 1262 (33,8) 3186 (85,4)
60 (4,1) 794 (21,3) 2840 (76,1) 6067 (163)
150 (10,3) 1924 (51,6) 3054 (81,9)
6 (0,41) 112 (3,0) 214 (5,7) 519 (13,9) 529 (14,2) 540 (14,5)
10 (0,69) 143 (3,8) 387 (10,4) 611 (16,4) 682 (18,3)
30 (2,1) 448 (12,0) 814 (21,8) 1812 (48,6)
60 (4,1) 672 (18,0) 1985 (53,2) 5813 (156)
150 (10,3) 1731 (46,4) 2749 (73,7)
4 (0,28) 112 (3,0) 153 (4,1) 326 (8,7) 336 (9,0) 377 (10,1)
8 (0,55) 143 (3,8) 285 (7,6) 560 (15,0) 580 (15,5) 713 (19,1)
12 (0,83) 153 (4,1) 387 (10,4) 733 (19,6) 753 (20,2)
30 (2,1) 336 (9,0) 713 (19,1) 1446 (38,8)
60 (4,1) 519 (13,9) 1374 (36,8) 3217 (86,2)
150 (10,3) 1588 (42,6) 5253 (141)
8 (0,55) 92 (2,5) 193 (5,2) 387 (10,4) 407 (10,9) 428 (11,5)
12 (0,83) 122 (3,3) 255 (6,8) 478 (12,8) 672 (18,0)
30 (2,1) 305 (8,2) 601 (16,1) 1069 (28,7)
60 (4,1) 499 (13,4) 967 (25,9) 2443 (65,5)
150 (10,3) 1099 (29,5) 3940 (106)
9 (0,62) 163 (4,4) 336 (9,0) 662 (17,7) 764 (20,5) 825 (22,1)
12 (0,83) 183 (4,9) 438 (11,7) 794 (21,4) 1018 (27,3)
30 (2,1) 407 (10,9) 865 (23,2) 1639 (43,9)
60 (4,1) 692 (18,6) 1619 (43,4) 2881 (77,2)
150 (10,3) 1629 (43,7) 4734 (127)
9 (0,62) 122 (3,3) 214 (5,7) 468 (12,5) 489 (13,1) 519 (13,9)
12 (0,83) 163 (4,4) 295 (7,9) 611 (16,4) 702 (18,8)
30 (2,1) 295 (7,9) 713 (19,1) 1303 (34,9)
60 (4,1) 631 (16,9) 1354 (36,3) 2179 (58,4)
150 (10,3) 1588 (42,6) 3268 (87,6)
Capacities in SCFH (Nm3/h) of Nitrogen
Orice Size, Inches (mm)
13
Bulletin 74.1:Y690A
14
(356)
FLANGED
G
D
B
A
NPT
5.56
(141)
OR
SWE
F
8.38
(213)
1/2 NPT CONTROL LINE CONNECTION
1/4 NPT VENT
INCHES
(mm)
BODY SIZE,
NPS (DN)
3/4, 1 (20, 25) 4.0 (102) 4.12 (105) 2.12 (54) 2.25 (57) 6.19 (157) 6.19 (157) 10.12 (257) 10.12 (257) 1.53 (39) 1.53 (39)
Ductile
A B D F G
Iron
Stainless
Steel
Ductile
Iron
Stainless
Steel
Ductile
Iron
Stainless
Steel
Ductile
Iron
Stainless
Steel
Ductile
Iron
Stainless
Steel
Figure 5. Dimensions
Ordering Information
When ordering, specify:
Application
1. Type of gas being controlled (nitrogen, fuel gas, etc.); list any factors such as impurities in the gas that may affect compatibility of the gas with the regulator trim parts.
2. Specic gravity of the gas
3. Temperature of the gas
4. Range of owing inlet pressures to regulator
5. Flow rates
a) Minimum controlled ow
b) Normal ow
6. Line size and end connection size of adjacent piping. Adjacent downstream piping must be the same size as the regulator body or longer.
7. Vessel size
Construction
Carefully review the Specications section, then specify the desired selection on the Ordering Guide on the following page. If a pilot setpoint is not requested, the regulator will be factory set at the approximate midrange.
c) Maximum ow
14
Ordering Guide
Bulletin 74.1:Y690A
Type (Select One) Y690A (Internal registration)*** Y690AH (High-pressure with Internal registration)*** Y690AM (External registration)***
Y690AHM (High-pressure with External registration)***
Body Size (Select One) NPS 3/4 (DN 20)*** NPS 1 (DN 25)***
Body Material and End Connection Style (Select One)
Ductile iron Body NPT***
CF8M Stainless steel NPT***
CL150 RF** CL300 RF** PN 16/25/40**
Spring Case Material (Select One) Ductile iron*** CF8M Stainless steel***
Diaphragm Case Material (Select One) Ductile iron*** CF8M Stainless steel***
Trim Material (Select One) 303 Stainless steel*** 316 Stainless steel**
Disk Material (Select One) Nitrile (NBR) (standard)*** Fluorocarbon (FKM)*** Ethylenepropylene (EPDM)** PTFE** Peruoroelastomer (FFKM)*
Orice Size (Select One) 1/8-inch (3,2 mm)*** 1/4-inch (6,4 mm)*** 3/8-inch (9,5 mm)*** 1/2-inch (13 mm)*** 9/16-inch (14 mm)***
Outlet (Control) Pressure Range (Select One)
Types Y690A and Y690AM
1 to 2.5-inches w.c. (2 to 6 mbar) Orange***
2.5 to 7-inches w.c. (6 to 17 mbar) Red***
Types Y690AH and Y690AHM
5 to 10-inches w.c. (12 to 25 mbar) Red*** 7 to 16-inches w.c. (17 to 40 mbar) Unpainted*** 15-inches w.c. to 1.2 psig (37 to 83 mbar) Yellow***
1.2 to 2.5 psig (83 mbar to 0,17 bar) Light Green***
2.5 to 4.5 psig (0,17 to 0,31 bar) Light Blue***
4.5 to 7 psig (0,31 to 0,48 bar) Black***
Replacement Parts Kit (Optional) Yes, send one replacement parts kit to match this order.
Diaphragm Material (Select One) Nitrile (NBR) (standard)*** Fluorocarbon (FKM)** Nitrile (NBR) with PTFE Protector**
To order this product, complete this page or complete the Specication Worksheet and forward to your local Sales Ofce.
If the construction you need is not offered on this page, contact your local Sales Ofce.
To locate your local Sales Ofce log on to: www.sherregulators.com
Regulators Quick Order Guide
* * * Readily Available for Shipment
* * Allow Additional Time for Shipment
Special Order, Constructed from Non-Stocked Parts.
*
Consult your local Sales Ofce for Availability.
Availability of the product being ordered is determined by the component with the longest shipping time for the requested construction.
Tank Blanketing Specication Worksheet
Application Specications:
Tank Capacity Pump In Rate Pump Out Rate Blanketing Gas (Type and Specic Gravity) Conservation Vent Setpoint
Pressure Requirements:
Maximum Inlet Pressure (P Minimum Inlet Pressure (P Control Pressure Setting (P2) Maximum Flow (Q
max
)
1min
1max
)
)
Accuracy Requirements:
0.25-inch w.c. (0,6 mbar) 0.5-inch w.c. (1 mbar) 1-inch w.c. (2 mbar) 2-inches w.c. (5 mbar) Others
Other Specications:
Is a vapor recovery regulator required? Yes No Special Material Requirements: Ductile Iron Steel Stainless steel Hastelloy® C Others Other Requirements:
15
Bulletin 74.1:Y690A
Industrial Regulators
Emerson Process Management Regulator Technologies, Inc.
USA - Headquarters McKinney, Texas 75069-1872 USA Tel: 1-800-558-5853 Outside U.S. 1-972-548-3574
Asia-Pacic Shanghai, China 201206 Tel: +86 21 2892 9000
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Middle East and Africa Dubai, United Arab Emirates Tel: +971 4811 8100
For further information visit www.sherregulators.com
The Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher is a mark owned by Fisher Controls, Inc., a business of Emerson Process Management.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. We reserve the right to modify or improve the designs or specications of such products at any time without notice.
Emerson Process Management does not assume responsibility for the selection, use or maintenance of any product. Responsibility for proper selection, use and maintenance of any Emerson Process Management product remains solely with the purchaser.
Natural Gas Technologies
Emerson Process Management Regulator Technologies, Inc.
USA - Headquarters McKinney, Texas 75069-1872 USA Tel: 1-800-558-5853 Outside U.S. 1-972-548-3574
Asia-Pacic Singapore, Singapore 128461 Tel: +65 6777 8211
Europe Bologna, Italy 40013 Tel: +39 051 4190611 Gallardon, France 28320 Tel: +33 (0)2 37 33 47 00
TESCOM
Emerson Process Management Tescom Corporation
USA - Headquarters Elk River, Minnesota 55330-2445 USA Tel: 1-763-241-3238
Europe Selmsdorf, Germany 23923 Tel: +49 (0) 38823 31 0
©Emerson Process Management Regulator Technologies, Inc., 1998, 2010; All Rights Reserved
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