Danfoss Check Valve, NRVS
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NRVS Check Valve

Brand: Danfoss
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Check valve type NRVS has no damping feature and therefore can only be used for liquid line applications. 

NRVS is designed to be mounted directly to PM or solenoid valves EVRA/EVRAT.
Features
  • Ensures correct direction of flow
  • Applicable to HCFC, HFC and R717 (ammonia)
  • Classification: DNV, CRN, BV, EAC etc.

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Specifications

Brand

Approvals & Certifications

  • BV
  • CRN
  • DNV
  • EAC

Capacity

  • 172 to 1,422 KW at Circulation Rate 1 R717

Differential Pressure

  • psi: 1.015 to 1.595 (kPa: 7 to 11, bar: 0.07 to 0.11) - Min. Opening Differential Pressure
  • psi: 2.176 to 7.252 (kPa: 15 to 50, bar: 0.15 to 0.50) for Evaporating Temperature

Enclosure, Body Material

  • Stainless Steel

Flow Rate

  • 1.4 to 7.5 m³/hour (Kvs)

Gasket Material

  • Non-Asbestos

Operating Pressure

  • psi: 406.1 (kPa: 2,800, bar: 28) - Max.

Process Temperature

  • -50° to 140° C (-58° to 284° F)

Documentation

Data Sheets

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