The CPA Series check valves feature adjustable cracking pressures, which allows designers and installer to fine tune cracking pressures to meet changing system requirements.

Features
  • MAWP: Up to 3000 psig  (206 bar)
  • Temperature: -10 to 375° F (-23 to 190° C)
  • Flow Coefficient: up to 1.20
  • Body Materials: 316 SS and Brass
  • Seat Materials KFM, NBR
  • Cracking Pressures: 3 to 600 psig. (0.206 to 41.3 bar)
  • End Connections: MNPT, FNPT, Male and Female BSPT
Our website contains the most popular CPA Series Check Valve configurations - more configurations are available.  To specify other configurations, please contact SSP Customer Service.
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Part #

CAD

Body Material

Connection 1 - Type

Connection 1 - Size

Connection 2 - Type

Connection 2 - Size

O-ring Material

Cracking Pressure

Quantity
4CPA4MRT-3-316 N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/4 in N/A Male BSPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PF-150-316 N/A CAD Icon (for items table) N/A 316 SS N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 150 to 350 psig
4CPA4PF-3-316 N/A CAD Icon (for items table) N/A 316 SS N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PF-50-316 N/A CAD Icon (for items table) N/A 316 SS N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 50 to 150 psig
4CPA4PM-150-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 150 to 350 psig
4CPA4PM-3-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PM-350-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 350 to 600 psig
4CPA4PM-50-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 50 to 150 psig
8CPA8MRT-3-316 N/A CAD Icon (for items table) N/A 316 SS N/A Male BSPT N/A 1/2 in N/A Male BSPT N/A 1/2 in N/A FKM N/A 3 to 50 psig
8CPA8PM-150-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 150 to 350 psig
8CPA8PM-3-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 3 to 50 psig
8CPA8PM-350-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 350 to 600 psig
8CPA8PM-50-316 N/A CAD Icon (for items table) N/A 316 SS N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 50 to 150 psig
4CPA4MRT-3-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPT N/A 1/4 in N/A Male BSPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PF-150-M N/A CAD Icon (for items table) N/A Alloy 400 N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 150 to 350 psig
4CPA4PF-3-M N/A CAD Icon (for items table) N/A Alloy 400 N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PF-50-M N/A CAD Icon (for items table) N/A Alloy 400 N/A FNPT N/A 1/4 in N/A FNPT N/A 1/4 in N/A FKM N/A 50 to 150 psig
4CPA4PM-150-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 150 to 350 psig
4CPA4PM-350-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 350 to 600 psig
4CPA4PM-3-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 3 to 50 psig
4CPA4PM-50-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/4 in N/A MNPT N/A 1/4 in N/A FKM N/A 50 to 150 psig
8CPA8MRT-3-M N/A CAD Icon (for items table) N/A Alloy 400 N/A Male BSPT N/A 1/2 in N/A Male BSPT N/A 1/2 in N/A FKM N/A 3 to 50 psig
8CPA8PM-150-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 150 to 350 psig
8CPA8PM-350-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 350 to 600 psig
8CPA8PM-3-M N/A CAD Icon (for items table) N/A Alloy 400 N/A MNPT N/A 1/2 in N/A MNPT N/A 1/2 in N/A FKM N/A 3 to 50 psig
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