F84, F85, F88 for Liquid

Balanced style SRV’s for liquid service. Balanced against the effects of backpressure without bellows. Made in accordance with ASME Section VIII or “CE” mark. Initial modulation at low flow with fixed blowdown. Available in carbon or stainless steel materials as standard. Special alloy construction available upon request. Plastic seated with a variety of elastomer seal materials and connection styles available.

Key Features
  • Spring-operated, modulating at low flow
  • Soft seatedFully balanced against backpressure without bellows
  • Pressure assisted drag seal for smooth operation
  • Full lift at 7.5% overpressure
  • Leak tight seating and re-seating
  • Fixed blowdown
  • Integral / full nozzle, 316/316L corrosion resistant trim
  • Packed lift lever available on most sizes
Flow Safe Logo
Flow Safe is a manufacturer of spring-operated and pilot-operated high-performance pressure relief devices. The Flow Safe product line is specifically designed for applications in Natural Gas Distribution, Pipeline, Aerospace, Marine, Industrial Gasses and other liquid and gas process applications.

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Have a question or need advice?

Our team has the knowledge and experience to get it right.