4000 Series Ball poppet check valves improve cracking and reseals reliability by reducing the likelihood that the poppet will stick in the valve seat.

Specifications

• Pressure: Up to 6000 psig  (413 bar)
• Temperature: Up to 350° F (176° C)
• Body Materials: 316 SS
• Cracking Pressures: 1/3 to 50 psig (0.023 to 3.44 bar)
• Seat Material: FKM
• Ball Material: 316SS, PCTFE
• End Connections: Duolok, Griplok, Unilok, MNPT, FNPT
• Sizes: 1/8 to 3/4
• Orifices: 0.09, .019, 0.28 in.

CH Series check valves offer reliable cracking and resealing in CNG fueling stations, sampling systems, natural gas vehicles and other high-pressure, high-cycle and high-flow applications requiring reliable cracking and resealing in high-pressure and high-flow applications.

Specifications

• MAWP: Up to 6000 psig (413 bar)
• Temperature Range: -40 to 400° F (-40 to 204° C)
• Flow Coefficient: up to 3.25
• Materials: 316 Stainless Steel, Other materials available
• Cracking Pressures: 1/3 to 100 psig (0.023 to 6.89 bar)
• Highly durable metal to metal seal
• End Connections: Tube fitting, MNPT, FNPT, Male and Female BSPT
• ECE R110 Approved

Options
Our website contains the most popular CH Series Check Valve configurations - more configurations are available.  To specify other configurations, please contact SSP Customer Service.  Special ordering instructions for the options below are included in the CH Series Catalog.

Cracking Pressures
(Non-standard items are in bold.  Call for availability)

• 1/3
• 1
• 5
• 10
• 20
• 25
• 50
• 75
• 100

O-ring Materials
SSP offers the following O-ring materials.

• FKM (Standard)
• NBR
• NBR3 - Low-temperature Nitrile
• EP
• FFKM

Tube Fitting End Connections
SSP offer three tube fitting designs. 

• Duolok 2-ferrule end connections (Standard).
• Unilok single-ferrule end connections
• Griplok dual ferrule end connections

CP Series poppet check valves offer a wide variety of cracking pressures and for medium-pressure, high-cycle process and instrumentation applications.

Specifications

• Pressure: 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 FKM, NBR
• Cracking Pressures: More than 20 cracking pressures from 1/3 to 100 psig (0.023 to 6.89 bar)
• End Connections: MNPT, FNPT, Male and Female BSPT

Our website contains the most popular CP Series Check Valve configurations - more configurations are available.  To specify other configurations, please contact SSP Customer Service.

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.

LC Series lift check valve’s all-metal design is suitable for extreme temperatures found in power, oil & gas, chemical, petrochemical, pulp & paper, and laboratory applications. LC Series valves use gravity and back pressure to prevent reverse flow to less than 0.1% of forward flow.

Specifications
• Pressure: Up to 6000 psig (206 bar)
• Temperature: -100 to 900° F (-73 to 482° C)
• Flow Coefficient: up to 1.10
• Body Materials: 316 SS
• End Connections: Duolok, Unilok and Griplok Tube Fittings, MNPT, FNPT, TSW, PBW
• End Connection Sizes: 1/8 to 3/4 in. (6 and 12 mm tube ends)
Our website contains the most popular LC Series Check Valve configurations - more configurations are available.  To specify other configurations, please contact SSP Customer Service.