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GENERAL
Single-seated 2-way valves for modulating control of hot /
chilled water in heating, ventilating, and air conditioning
systems.
These valves are designed especially for flow control in
hydraulic systems with high temperatures and pressures,
such as district heating systems. It can also be used in
combination with M6410/M7410 (300 N) actuators as well as
with ML7430/35 and ML6435 (400 N) actuators.
Copyright © 2009 Honeywell Inc. • All rights reserved
Small Linear Valve / PN25
FEATURES
•
Pressure-balanced k
vs
•
Normally-closed valve
•
Supplied with manual adjustment cap for start-up
•
Small size
•
Threaded and welding connection sets
•
Bronze body, stainless steel trim
•
Low seat leakage rate
•
Metal-to-metal seating for long life span
•
Easy mounting of direct-coupled electric actuators
•
Approval per DIN EN 14597
SPECIFICATIONS
Action
Nominal pressure rating
Rangeability
Leakage rate:
Characteristic
Stroke
Close-off pressure
Valve body
End connections
Material
Trim
Seat
Plug
Stem
Packing
Medium
Medium temperature
Dimensions
V5825B
DH Compact Valve
PRODUCT DATA
3
1.0...10 m
/hr
valve is closed by its spring
PN25
50:1
max. 0.05% of k
VS
split characteristic / linear - equal
percentage
6.5 mm
0...1600 kPa with 300 N actuator
0...2500 kPa with 400 N actuator
external thread per ISO 228/1
red bronze (DIN 1705)
stainless steel (W.-No. 1.4305)
stainless steel (W.-No. 1.4305)
stainless steel (W.-No. 1.4305)
EPDM, O-ring
water; glycol/water mixture
(max. 50% glycol per VDI 2035)
2...130 °C
See Fig. 2 on page 4
EN0B-0403GE51 R0709
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Summary of Contents for Honeywell V5825B
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Page 1: Specifications
M6410/M7410 (300 N) actuators as well as Medium water; glycol/water mixture with ML7430/35 and ML6435 (400 N) actuators. (max. 50% glycol per VDI 2035) Medium temperature 2...130 °C Dimensions See Fig. 2 on page 4 Copyright © 2009 Honeywell Inc. • All rights reserved EN0B-0403GE51 R0709... - Page 2 For further technical information about electric actuators, please consult Honeywell Product Data Sheets. APPROVAL NOTE: For V5825B valves in combination with the following actuators, approval according to DIN EN 14597. Actuator O.S. no. DIN registration no. ML6435B1008...
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Page 3: Operation
V5825B SMALL LINEAR VALVE / PN25 OPERATION DH Compact valves V5825B are available in four sizes, from DN15 through DN32. This description refers to size DN25. A built-in return spring (4) produces the closing force on the port A to port B. The valve is supplied with a screwed-on valve cap for manual operation and for protection of the system. - Page 4 V5825B SMALL LINEAR VALVE / PN25 DIMENSIONS Valve V5825B valve normally closed max. 6.5 11.5 fmax a1 a2 Fig. 2. V5825B Dimensions (mm) dimensions in mm threaded connection welding connection G¾" R½" 16∅ G1" R¾" 20∅ G1¼" R1" 27∅ G1½"...
- Page 5 V5825B SMALL LINEAR VALVE / PN25 ACCESSORIES Connection Sets For threaded connections according to ISO 7/1 for steel pipes or malleable iron, refer to Fig. 3 (ACS-...T) or Fig. 4 (ACS-...W). Fig. 3. External threaded connection Fig. 4. Welding connection...
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Page 6: Spare Parts
V5872B valve with the V5825B. Manufactured for and on behalf of the Environmental and Combustion Controls Division of Honeywell Technologies Sàrl, Rolle, Z.A. La Pièce 16, Switzerland by its Authorized Representative: Automation and Control Solutions Honeywell GmbH Böblinger Strasse 17...