Honeywell V5049A User Manual
V5049A
FLANGED LINEAR VALVE PN25/40
GENERAL
These single seated valves are used for modulating control of hot or chilled water or steam in heating, ventilating, and air conditioning systems and can be operated by electric linear actuators as ML6420/25 or ML7420/25 and ML6421/ML7421, or by pneumatic actuators MP953.
SPECIFICATION DATA
FEATURES
•Cast iron or cast steel body with flanged end connections
•Low seat leakage rate
•Metal-to-metal seating for long life span
•Self-adjusting packing
•Accurate positioning to ensure state-of-the-art temperature control
•Direct-coupled electric and pneumatic actuators for easy mounting
•Approved according to DIN EN 14597
SPECIFICATIONS
Action |
Stem down to close |
Nominal pressure rating |
PN25/40 |
Flow characteristic |
Equal percentage |
Rangeability |
50:1 |
Leakage rate |
≤0.05% of kVS up to DN50 |
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≤0.1% of kVS for DN65 to DN100 |
Stroke |
20 mm up to DN65 |
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38 mm for DN80 to DN100 |
Valve body |
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End connections |
Flanged per ISO 7005-2 |
Material |
Cast steel (GS-C25) |
Dimensions |
See Fig. 1 on page 3 |
Trim |
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Seat |
Stainless steel, replaceable |
Plug |
Stainless steel, skirt-guided |
Stem |
Stainless steel |
Packing |
Spring-loaded PTFE V-rings |
Medium temperature |
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and pressure |
2 ... 120 °C: max. 4000 kPa |
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120 ... 150 °C: max. 3920 kPa |
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150 ... 200 °C: max. 3800 kPa |
Maximum temperature |
200 ... 220 °C: max. 3720 kPa |
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|
differential in alternating |
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hot cold water use |
60 K |
Copyright © 2008 Honeywell Inc. • All Rights Reserved |
EN0B-0238GE51 R0508 |
V5049A FLANGED LINEAR VALVE 25/40
SIZES AND FLOW CAPACITIES
order number |
valve size |
kVS |
V5049A2027 |
DN15 |
0.25 |
V5049A2035 |
DN15 |
0.40 |
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V5049A2043 |
DN15 |
0.63 |
V5049A1425 |
DN15 |
1.00 |
V5049A1433 |
DN15 |
1.60 |
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V5049A1441 |
DN15 |
2.50 |
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V5049A1458 |
DN15 |
4.00 |
V5049A1508 |
DN20 |
6.30 |
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V5049A1565 |
DN25 |
10.00 |
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V5049A1573 |
DN32 |
16.00 |
V5049A1581 |
DN40 |
25.00 |
V5049A1599 |
DN50 |
40.00 |
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|
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V5049A1607 |
DN65 |
63.00 |
V5049A1615 |
DN80 |
100.00 |
V5049A1623 |
DN100 |
160.00 |
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INSTALLATION
•Water should meet VDI 2035 requirements.
•Do not install valve with stem below the horizontal.
•Fluid flow must correspond with the arrow direction on the valve body.
•The installation of a strainer is strongly recommended.
REPAIR PACKING KIT
Part no. R 43 176 755 – 004 (DN 15 to 65)
R 43 176 755 – 005 (DN 80 to 100)
ACTUATORS
Electric Actuators
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force |
600 N |
600 N |
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1800 N |
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spring return |
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model |
ML6420A |
ML6425A,B |
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M6421A |
M6421B |
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ML7420A |
ML7425A,B |
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M7421A |
M7421B |
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stroke |
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20 mm |
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38 mm |
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size |
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DN15-65 |
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DN80-100 |
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Pneumatic Actuators
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pneumatic |
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valve |
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action |
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actuator |
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positioner |
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size |
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model |
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size |
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direct |
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reverse |
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MP953A |
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5“, 8“ |
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x |
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x |
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yes |
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DN |
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MP953B |
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7“ |
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15-65 |
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MP953C |
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5“, 8“ |
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x |
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x |
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no |
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MP953D |
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7“ |
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DN |
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MP953A |
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13“ |
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x |
- |
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yes |
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80-100 |
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MP953C |
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no |
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CLOSE-OFF PRESSURE RATINGS (in kPa)
Electric Actuators
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actuator |
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valve size |
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model |
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force |
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DN15 |
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DN15 |
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DN20/25 |
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DN32 |
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DN40 |
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DN50 |
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DN65 |
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DN80/100 |
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kVS 0.25 -1.0 |
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kVS 2.5 -4.0 |
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ML6420A, ML6425A,B |
|
600 N |
1600 |
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1000 |
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1000 |
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600 |
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350 |
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200 |
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120 |
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- |
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ML7420A, ML7425A,B |
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M6421A,B, M7421A,B |
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1800 N |
- |
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2500 |
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2500 |
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2000 |
|
1300 |
|
750 |
|
500 |
|
230 |
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EN0B-0238GE51 R0508 |
2 |
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