MYQD2V

Configuration Code:
DPH4ARADF2EV
Description:
425 FMA-D LPHV D2 VITON

Pneumatically Operated Piston Balanced High Volume Valves, or more commonly known as the Low Pressure High Volume Valve (LPHV), feature an angled body and inverted trim. The LPHV provides extended production time through flowback and in erosive applications.

These valves can be fitted with optional electric actuation or operated with compressed air for zero-emission requirements.

This is the best option for Erosive Service. Trim made of D2 Hardened Steel.

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We recently consolidated our regulator repair kits. Please see the related product notice for a full cross-reference table.

Product Applications

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Product Charts

1 of 1: Flow Coefficient (Cv) at Stem Travel (% Open)
10%
23.6
20%
44.7
30%
64.2
40%
83.2
50%
103
60%
117
70%
132
80%
142
90%
154
100%
162

Tech Specs

Type Value
Connection Size: 4 "
Connection Type: 150 RF
Body Style: Angled Body
Body Material: Cast Ductile
NACE MR0175: Option Available
Trim Size: 4 "
Trim Type: Linear (Nominal)
Leakage Class: Class VI
Process Fluid: Liquid and Gas
Max Working Pressure: 250 psig
Actuator Spring Nominal Pressure: 30 psig
Actuator Crack Open Pressure: 10 psig
Actuator Full Open Pressure: 30 psig
Max Supply Gas Pressure: 45 psig
Fail Position: Closed - Field Reversible
Operation: Pneumatic
Catalog Page: 04:20.1
Elastomer: FKM
Min Cv: 44.7
Max Cv: 162
Cf: 0.75