ELECTRONIC RELIEF VALVE | VALVTECHNOLOGIES

ELECTRONIC RELIEF VALVE | VALVTECHNOLOGIES

Pilot Operated Relief

Consider the safety rating, productivity value and cost savings of electronic relief valves – the relief valve whose standard blowdown and set pressure is accurate to 1/10% of 1 psi.

Fiche Technique

 

Description

ValvTechnologies’ ERV is the perfect combination of zero-leakage isolation valve plus the electronic controls needed to monitor and regulate system pressures in a safety valve environment and within ASME Code Section I “V” Stamp requirements where critical over-pressure protection is paramount. ValvTechnologies’ ERV is the benchmark.

ValvTechnologies’ zero-leakage ERV valves are commonly supplied with the following items:

  • ValvTechnologies’ zero-leakage, V Series valve
  • Actuator – options include: air, spring, hydraulic, D.C. electric, A.C. electric, fail-safe last position, fail-safe (pneumatic tank or spring return)
  • Pressure transducer
  • Weatherproof control box
  • DCS signal input

Additional options are also available, including:

  • Remote panel
  • Lockable switch
  • Drip pans / exhaust pans
  • Voltages
  • Silencers
  • Heaters
Sizes
2 1/2” x 4” and larger
Pressure Classes

ASME / ANSI class up to 4500

Materials of Construction

Carbon steel (A105, A216 WCB) – standard
Alloy steel (F22, F91, A217 WC9, A217 C12A) – standard
Stainless steel (316H, A351 CF8M) – standard
Duplex steel exotic alloys
Other materials available upon request

In Compliance

ASME B16.34
PED
Nuclear ASME III Class 1, 2 and 3
Nuclear Safety Related – 10CFR50 Appendix B
SIL

End Connections

Buttweld – standard
Raised-face flange – standard
Other end connections available upon request

Shutoff

Repeatable tight shut-off

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