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4" 150 RF Through Body
4" Equal Percentage Trim

Process Fluid: Liquid and Gas
Operation: Pneumatic

Options Included In This Model:

  • Valve Fail Position: Closed

Cv @ % Stem Travel (%open)
10% 20% 30% 40% 50% 60% 70% 80% 90% 100%
11.7 18.1 24.8 36.8 58.3 86.1 114 137 152.8 160


Critical Flow Factor Cf = 0.75

Calculate Gas Flow Rate Calculate Liquid Flow Rate

Upstream vs downstream pressure is balanced via communication of the process fluid above and below the balancing diaphragm or piston in order to eliminate opening/closing forces due to pressure differential. Designed for liquid systems, and available in either pressure-opening (normally closed) or pressure-closing (normally open) configurations.

Specifications

  • Connection Size: 4 "
  • Connection Type: 150 RF
  • Body Style: Through Body
  • Body Material: Steel
  • Option Available for NACE MR0175 compliance or certification.
  • Trim Size: 4 "
  • Trim Type: Equal Percentage
  • Seal Class: Class VI
  • Process Fluid: Liquid and Gas
  • Max. Working Pressure: 285 psig
  • Actuator Spring Nominal Pressure: 35 psig
  • Actuator Crack Open Pressure: 10 psig
  • Actuator Full Open Pressure: 35 psig
  • Max. Supply Gas Pressure: 45 psig
  • Valve Fail Position: Closed
  • Operation: Pneumatic
  • Catalog Page: E3:25.4
  • Face-to-Face Length: 15.13 "
  • Repair Kit P/N: RUOD

Downloadable Documents


Tech Specs
Installation Operation & Maintenance Guide
Repair Manual

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