Control systems Pressure reducing/surplussing valves
4
Valve weight (kg) Valve size
DN15 DN20 DN25 DN32 DN40 DN50 DN65 DN80 DN100
Yellow spring
12.1
12.8
15.7
20.3
22.3
25.5
33.7
38.3
62.3
Weight
Blue spring
12.1
12.8
15.7
20.3
22.3
25.5
33.7
38.3
62.3
Red spring
13.6
14.3
17.2
21.8
23.8
27.0
35.4
40.0
64.9
Reduction for screwed body
-1.7
-2.2
-2.2
-3.6
-3.9
-5.5
-
-
-
Actuator weight (kg) Actuator type 11 or 11N 12 or 12N 13 or 13N 14 or 14N 15 or 15N Note: To calculate the total product weight add the valve and actuator weights together. Weight 12.6 6.5 4.0 2.6 2.7
Type 11/11 or 12/12N actuator arrangement
Type 15/15N actuator arrangement
4.6 75
Safety information, installation and maintenance For full details see IM-S12-10 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 upstream 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 upstream temperatures below 125 °C the valve can alternatively be mounted vertically upwards.
How to order Example: 1 off Spirax Sarco DN40 DEP7B3 direct acting pressure reducing valve having flanged PN25 connections. Note: Add suffix 'N' if the Nitrile rubber diaphragm is required. i.e. DEP7B3N.
TI-P205-01 CTLS Issue 12
Page 11 of 11
DEP7 SG Iron Excess Pressure Valve
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