COMPAC-NOZ® Nozzle Check Valves

Compac-Noz® valves have a shorter face-to-face design than standard check valves for applications where space and weight are primary focus and valve pressure drop is less critical.

Features And Benefits

  • Ease of installation and maintenance
  • Proven Reliability
  • Compact and lower weight
  • Lower pressure drop compared with standard Noz-Chek® offering
  • Face to face design to API 594 allows direct replacement of other valve types meeting this standard, without line modification, and provides axial check valve performance and reliability

Technical Details

DESIGN FEATURES

  • Compact design and short face to face to meet API 594
  • One moving part resulting in minimal wear and long service life
  • Quick dynamic response reducing reverse velocity and minimizing damaging water hammer
  • Short stroke to help in quick response
  • Choice of springs for specific critical velocity and valve response
  • Suitable for reciprocating compressor service eliminating chatter
  • Spring is internal and protected from process flow
  • Preferred in centrifugal compressor service

SIZE RANGE

  • 12″ – 60″

PRESSURE RATING

  • Class 150 – 4500
  • API 6A Class 2000 – 15,000

BODY CONFIGURATION

  • Flanged, butt-weld ends, hub ends and specials

Applications

Gas Transmission

  • Compressor Suction/Discharge/Bypass

Power Generation

  • Feedwater
  • Cooling water
  • Blowdown
  • Steam

Petro-Chemical / Chemical Processing

  • Propylene Units

Hydrocarbon Processing

  • Catalytic Cracking
  • Hydrotreating

Water Transmission

  • Pipeline
  • Pump Compressor Station

FPSO

LNG

Ethyelene

Literature

Certificates


  • API 594 end-to-end dimensions
  • API 6A
  • ASME B16.34 & API 6D
  • API 6FD
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