CVIS Series - Modular Check Valves

CVIS Series - Modular Check Valves

CVIS spring loaded (spring assist) check valves use a modular design that is highly customizable. Spring loading provides positive shutoff. Free floating no spring versions are highly sensitive to the slightest change in pressure or flow. No spring designs also allow maximum flow volumes.

  • 302 stainless steel springs
  • Glass-filled polypropylene housings
  • Red, blue or natural colored housings
  • Free floating no spring option available
  • Natural polypropylene cartridges and poppets
  • Spring loaded cracking pressures from 0.1 to 10 psi
  • Hose barb, 1/8" female BSPP or push-in connections
  • Buna-N (nitrile, NBR), EPDM, silicone or Viton™ O-ring seals

Get more details and technical specifications.

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CVIS-4MM-18-10#-V-NPP 4mm Push-In 1/8" Hose Barb 10 psi Viton 30% GF Natural Polypropylene
CVIS-4MM-18-10#-SI-NPP 4mm Push-In 1/8" Hose Barb 10 psi Silicone 30% GF Natural Polypropylene
CVIS-4MM-18-10#-EPDM-NPP 4mm Push-In 1/8" Hose Barb 10 psi EPDM 30% GF Natural Polypropylene
CVIS-4MM-18-10#-BU-NPP 4mm Push-In 1/8" Hose Barb 10 psi Buna-N 30% GF Natural Polypropylene
CVIS-4MM-.1#-V-NPP 4mm Push-In 4mm Push-In .1 psi Viton 30% GF Natural Polypropylene
CVIS-4MM-.1#-SI-NPP 4mm Push-In 4mm Push-In .1 psi Silicone 30% GF Natural Polypropylene
CVIS-4MM-.1#-EPDM-NPP 4mm Push-In 4mm Push-In .1 psi EPDM 30% GF Natural Polypropylene
CVIS-4MM-.1#-BU-NPP 4mm Push-In 4mm Push-In .1 psi Buna-N 30% GF Natural Polypropylene
CVIS-4MM-18-10#-V-BLPP 4mm Push-In 1/8" Hose Barb 10 psi Viton 30% GF Blue Polypropylene
CVIS-4MM-18-10#-SI-BLPP 4mm Push-In 1/8" Hose Barb 10 psi Silicone 30% GF Blue Polypropylene