Control systems Pressure reducing/surplussing valves
4
Valve weight (kg) Valve size
DN15
DN20
DN25
DN32
DN40
DN50
DN65
DN80 DN100
Yellow spring
11
12.4
14.6
19.8
21.2
25.2
35.5
41.3
58.3
Blue spring
11
12.4
14.6
19.8
21.2
25.2
35.5
41.3
58.3
Red spring
12
13.4
15.6
21.2
22.6
26.6
37.3
43.1
60.9
Actuator weight (kg) Actuator type
1 or 1N 2 or 2N 3 or 3N 4 or 4N 5 or 5N
Weight
12.3
6.5
3.9
2.5
2.6
Note: To calculate the total product weight add the valve and actuator weights together.
Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-S12-04) supplied with the product. Installation note: Caution - To protect the actuator diaphragm on steam applications a WS4 series water seal pot must be installed in the downstream pressure signal line to the actuator. Refer to TI-S12-03 for details. The valve should be mounted vertically downwards in a horizontal pipeline with the direction of flow as indicated by the arrow on the valve body. For applications with downstream temperatures below 125 °C the valve can alternatively be mounted vertically upwards.
4.6 45
How to order Example: 1 off Spirax Sarco DN40 DRV4B3 direct acting pressure reducing valve flanged PN40. Note: Add suffix 'N' if the Nitrile rubber diaphragm is required. i.e. DRV4B3N.
TI-P203-01 CTLS Issue 19
Page 11 of 11
DRV4 and DRV4G Cast Steel Pressure Reducing Valves
Powered by FlippingBook