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Reliefvalves

RV Series: Relief Valves.

  • Pressure rating to 3,000 psi (207 bar) at 70°F (21°C).
  • Temperature rating from -10°F to 375°F (-23°C to 191°C) with viton O-ring seat standard. O-ring provides leak tight shut-off.
  • Back stopped poppet design prevents the spring from being over-stressed.
  • Variety of springs are available for the cracking pressure from 1/3 psi to 100 psi.
  • Wide range of body sizes allows Cv choices from 0.16 to 8.8.
  • Suitable for gas and liquids.
  • Variety of end connections include male/female NPT, ISO, BSP threads and female Hy-Lok tube fittings.
  • Body Material is standard in 316 stainless steel and brass.

Nuova General Instrument Relief Valves

Nuova General Instruments specializes in the production of safety valves for air conditioning and cooling sectors for over a decade.

They mainly produce brass and stainless valves with PTFE gaskets.

Nuova has extensive experience in gas and pressure regulation and uses a proven test system why all products are also PED approved.

Several of the valves are specially manufactured for use in Co2 or R477 systems.

500 series

  • Aluminum, Brass, 303 or 316 Stainless Steel
  • 1/8″ to 1-1/4″
  • Vacuum to 200 PSIG [14 bar]
  • 0.5 to 150 PSI
  • Popoff & Inline
  • Male/Female Pipe Thread
  • Male/Female British Pipe Thread
  • Buna N, Ethylene Propylene, Neoprene, Silicone, Teflon, Viton

5100 series

  • Materials: Brass, Steel, 303 or 316 Stainless Steel
  • Sizes: 1/8″ to 1-1/4″
  • Operating ranges 0 to 2,400 PSI [166 bar]
  • Cracking pressure 20 to 2,400 PSI
  • Connection Male or female Pipe
  • Seat materials: Buna N, Ethylene Propylene, Neoprene, Teflon®, Viton®

5300 series

  • Materiale i 316 eller 303 rustfrit stål, messing eller alm. stål.
  • Størrelser fra 1/4" - 1" ind og udvendigt gevind.
  • Kan bruges til meget højt tryk - Åbningstryk fra 28 til 724 bar.
  • Popoff og Inline design
  • Aminco, Union, NASA MC240
  • Buna N, Neopren, Viton O- ring

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