Page 1
Product Bulletin
81000 Valve
D103340X012
52.1:81MS
November 2012
Baumannt 81000 Mikroseal Control Valve
The Baumann 81000 Mikroseal control valve is
excellent for throttling of liquid or gaseous media,
particularly where wide flow variations are
encountered. Its packless design allows for
applications where leakage prone stem packings are
not tolerated.
A nearly frictionless mecha nical force-amplifying
mechanism is employed to reduce the travel of the
pneumatic or electric actuators. This allows the closure
diaphragm to move precisely against the valve orifice
to throttle or stop the passing fluid. The same nearly
frictionless mechanism, composed of stainless steel
and PTFE lined ball bearings and guide bushings,
assures very precise positioning with negligible
deadband. This permits direct operation from remote
mounted I/P (current to pneumatic) signal converters.
Easy removal of the bonnet allows for inspection and
cleaning of the valve seat and closure diaphragm while
the actuator stays attached to the bonnet and the
valve body remains in the line. During this process the
actuator stays in calibration. A backup O-ring prevents
leakage should the primary seal (diaphragm to valve
body) fail. A tell-tale connection in the bonnet yoke
can be utilized to show if the sealing diaphragm is
damaged.
W9846
81000 NPS 1/4 Angle Valve with Baumann 16 Actuator
Features
Compact and light-weight design reduces installed
piping costs
Packless construction
Epoxy powder-coated actuator cases with stainless
steel yoke and fasteners for corrosion resistance
Multi-spring, field-reversible actuator with reduced
deadband permits direct operation from remote
signal devices
Fisherr FIELDVUEt digital valve controller available
for remote calibration and diagnostics in facilities
utilizing PlantWebt architecture
www.Fisher.com
W9847
81000 NPS 1/2 Inline Valve with Baumann 16 Actuator,
and FIELDVUE DVC2000 Digital Valve Controller
Page 2
Product Bulletin
52.1:81MS
November 2012
81000 Valve
D103340X012
Figure 1. Baumann 81000 NPS 1/4 Angle Valve Body
Figure 2. Baumann 81000 NPS 1/2 Inline Valve Body
E1324
Specifications
See table 4 for technical specifications and table 5 for
actuator specifications.
2
E1325
Page 3
81000 Valve
D103340X012
Table 1. Materials of Construction
Key Number Description Material
1 Valve Body S31600 SST, standard / ASTM B575 N06022, optional
2 Bonnet Yoke S31600 SST
3 Piston Subassembly S30300 SST and FKM (Fluorocarbon)
4 Bearing Cartridge Subassembly Stainless Steel and PTFE (Polytetrafluoroethylene)
5 Closure Diaphragm S31600 SST, standard / N10276 Nickel Alloy, optional
6 Seat Spring ASTM B575 N06022
7 Wave Spring S17700 SST
8 Bonnet ASTM A743 CF8
9 Drive Nut, Yoke S30400 SST
10 Plunger ASTM A276 S31600 Condition A
13 Allen head Bolts Stainless Steel (18-8 SST)
14 O-Ring, Plunger FKM (Fluorocarbon)
15 O-Ring PTFE, FDA 21 CFR 177 (Polytetrafluoroethylene)
27 Jam Nut Stainless Steel (18-8 SST)
49 O-Ring FKM (Fluorocarbon)
58 Travel Indicator Disk ASTM A240 S30400
Product Bulletin
52.1:81MS
November 2012
Table 2. Allowable Pressure Drops
AIR-TO-OPENACTION AIR-TO-CLOSE ACTION
VALVE
SIZE
NPS
(mm)
1/4
(6.35)
1/2
(12.7)
PLUG
Cv Kv
0.01
0.0009
0.03
0.10
0.30
0.01
0.0009
0.03
0.10
0.30
0.50
0.70
0.026
0.086
0.259
0.026
0.086
0.259
0.43
0.60
PLUG
TRAVEL
mm
(inch)
12.7
(0.50)
12.7
(0.50)
Bench Range
bar psig bar psig bar psig bar psig bar psig bar psig
0.2-1.0 3-15 10 150 19 275 0.2- 0.9 3-13 10 150 19 275
3-15 psig
(0.2-1.0 bar)
Signal to
Actuator
Table 3. Flow Coefficients (ASME/ISA/IEC) and ISA Sizing Factors
ORIFICE
DIA-
METER
mm
(Inch)mm(Inch)
0.635
(0.025)
1.60
(0.063)
7.92
(0.312)
7.92
(0.312)
13.2
(0.520)
13.2
(0.520)
DIA-
PHRAGM
TRAVEL
0.177
(0.007)
0.381
(0.015)
0.304
(0.012)
0.381
(0.015)
Cv AT VALVE OPENING - PERCENT OF VALVE STEM TRAVEL
5 10 20 30 40 50 60 70 80 90 100
0.00001 0.0001 0.0010 0.0024 0.0038 0.0052 0.0066 0.0076 0.0084 0.0092 0.01
0.00003 0.0003 0.002 0.005 0.009 0.013 0.017 0.021 0.024 0.027 0.03 0.50
0.0002 0.001 0.010 0.030 0.050 0.060 0.068 0.076 0.084 0.092 0.10 0.20
0.0004 0.002 0.020 0.070 0.120 0.150 0.180 0.210 0.240 0.270 0.30 0.20
0.0007 0.003 0.040 0.100 0.150 0.200 0.250 0.310 0.370 0.430 0.50 0.20
0.001 0.005 0.070 0.160 0.220 0.300 0.380 0.460 0.540 0.620 0.70 0.20
With
Positioner
Bench Range
3-15 psig
(0.2-1.0 bar)
Signal to
Actuator
F
L
0.50
0.85
F
d
With
Positioner
X
K
T
0.61 0.61
C
3
Page 4
Product Bulletin
52.1:81MS
November 2012
Table 4. Technical Specifications
VALVE BODY RATING 18.9 bar CWP (275 psi CWP)
NOMINAL SIZE 6.35 mm or 12.7 mm (NPS 1/4 or 1/2)
CONNECTIONS NPT (Flanged or Welded Ends Optional)
SEAT LEAKAGE ASME/FCI 70-2, Class IV
BONNET Bolted
CHARACTERISTIC Modified Equal Percentage
MAXIMUM OPERATING TEMPERATURE 177_C(350_F)
WEIGHTS
Table 5. Actuator Specifications
NOMINAL SIZE 103cm2(16in2)
AIR FAILURE Open or Closed (Field Reversible)
BENCH SPRING RANGE 0.2 - 0.9 bar (3-13 psi), fail open / 0.2-1.0 bar (3-15 psi) fail closed
TRAVEL 12.7 mm (0.5 inch)
AMBIENT TEMPERATURE RANGE -29 to 71_C(-20to160_F)
MAXIMUM AIR PRESSURE 2.4bar(35psig)
DIAPHRAGM MATERIAL CR (Chloroprene), TPES (Polyester Thermoplastic)
SPRING CASES
WEIGHT 2.1 kg (4.6 lbs)
6.35 mm (1/4 inch) 1.35 kg (3 lbs)
12.7 mm (1/2 inch) 1.82 kg (4 lbs)
TYPE 16 Multi-Spring Diaphragm (Single Acting)
YOKE CF8M Stainless Steel
81000 Valve
D103340X012
Steel, Powder Epoxy-Coated Appliance White per
FDA 21 CFR 175.300 with Stainless Steel Fasteners
4
Page 5
81000 Valve
(
)
D103340X012
Product Bulletin
52.1:81MS
November 2012
Figure 3. 81000 Angle Valve with Baumann 16
Actuator and FIELDVUE DVC6000 Digital Valve
Controller
159
(46.25)
1/4 NPT
24 (0.94)
54
(42.13)
E1326
1/4 NPT
mm
(inch)
145
(5.75)
81
(3.17)
Figure 4. 81000 Inline Valve with Baumann 16
Actuator and FIELDVUE DVC6000 Digital Valve
Controller
159
1/4 NPT
1/2 NPT
E1327
(46.25)
62
(2.45)
212
(8.35)
146
(5.75)
108
(4.25)
35
(1.36)
mm
inch
5
Page 6
Product Bulletin
52.1:81MS
November 2012
81000 Valve
D103340X012
Figure 5. Baumann 16 Actuator with FIELDVUE
DVC2000 Digital Valve Controller, Top View
127
(5.01)
166 (6.52)
E1328
Note: Baumann 16 actuator requires 77mm (3 inches) vertical clearance.
mm
(inch)
Figure 7. Baumann 16 Actuator with FIELDVUE
DVC2000 Digital Valve Controller
159 (6.3)
83 (3.3)
175
(6.9)
mm
E1330
Note: Baumann 16actuator requires 77mm (3 inches) vertical clearance.
166 (6.52)
(inch)
Figure 6. Baumann 16 Actuator with FIELDVUE
DVC6000 Digital Valve Controller, Top View
R235
(R9.24)
123
(4.86)
212
(8.35)
E1329
Note: Baumann 16 actuator requires 77mm (3 inches) vertical clearance.
mm
(inch)
Figure 8. Baumann 16 Actuator with Fisher
3660/3661 and 67CFR Airset
129 (5.1)
93 (3.7)
39
(1.6)
146
(5.76)
67CFR
E1331
Note: Baumann 16actuator requires 77mm (3 inches) vertical clearance.
159
(46.25)
3660/3661
POSITIONER
125
(4.9)
mm
(inch)
6
Page 7
81000 Valve
D103340X012
Table 6. Model Numbering System
16 81 2
Actuator
Size
16 3 0.01 0.009 0
81000
Maximum Cv
Cv Kv
4 0.03 0.026 3 Special H
6 0.10 0.086
7 0.30 0.259
8 0.50 0.43
9 0.70 0.60
End Connections
Screwed (NPT) /
Flangeless
Product Bulletin
52.1:81MS
November 2012
Bonnet
Construction
2 Bolted S 316 SST A Angle
Valve Body
Material
N06022
Nickel Alloy
Valve Body Style
I Inline
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Page 8
Product Bulletin
52.1:81MS
November 2012
81000 Valve
D103340X012
Neither Emerson, Emerson Process Management, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance
of any product. Responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
Baumann, Fisher, FIELDVUE, and PlantWeb are marks owned by one of the companies inthe Emerson Process Management business unit of Emerson
Electric Co. Emerson Process Management, Emerson, and the Emerson logo are trademarks and service marks of Emerson Electric Co. All other marks are
the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while everyeffort has been made to ensure their accuracy, they arenot
to be construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. All sales are
governed by our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such
products at any time without notice.
Emerson Process Management
Marshalltown, Iowa 50158 USA
Sorocaba, 18087 Brazil
Chatham, Kent ME4 4QZ UK
Dubai, United Arab Emirates
Singapore 128461 Singapore
www.Fisher.com
E 2009, 2012 Fisher Controls InternationalLLC.Allrights reserved.
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