ELU

Configuration Code:
DPB3ARAWF4S
Description:
328 FMA PB PC-S W/O TI

With the Pneumatic Piston-Balanced Liquid Dump Valve, upstream vs downstream pressure is balanced via communication of the process fluid above and below the balancing piston in order to eliminate imbalance of opening/closing forces due to pressure differential. Designed for liquid systems, and available in pressure-opening (normally closed) or pressure-closing (normally open) configurations.

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Product Applications

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Product Charts

1 of 1: Flow Coefficient (Cv) at Stem Travel (% Open)
10%
6.7
20%
11.1
30%
15.6
40%
20.3
50%
24.8
60%
29.2
70%
33.4
80%
37.2
90%
40.7
100%
43.8

Tech Specs

Type Value
Connection Size: 3 "
Connection Type: 150 RF
Body Style: Angled Body
Body Material: Steel
NACE MR0175: Option Available
Trim Size: 2.25 "
Trim Type: Linear (Nominal)
Leakage Class: Class VI
Process Fluid: Liquid and Gas
Max Working Pressure: 285 psig
Actuator Spring Nominal Pressure: 25 psig
Actuator Crack Open Pressure: 10 psig
Actuator Full Open Pressure: 25 psig
Max Supply Gas Pressure: 45 psig
Fail Position: Open
Operation: Pneumatic
Min Cv: 11.1
Max Cv: 43.8