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1/4" Hose-Barb High Flow Check Valve - KV
1/4" High Flow Check Valve - Kynar/Viton

Price Per Piece $2.04

Availability: Contact us for Quote


These Check Valves are 1/4" OD Hose-Barb on both ends, to fit 1/4" ID hose or tubing. They are made from the highest quality materials. Manufactured with a Kynar® exterior, and a Viton® diaphragm. We choose this type of check valve for their excellent resistance to alkalis and acids. Since most Hydrogen Generators use baking soda or a hydroxide as an electrolyte, we find these to be the optimum choice over all others available. Kynar® material also has an excellent resistance to ozone.

These are multi-purpose fittings and may possibly be used for Automotive, Boat (Marine), Hydroponic, Irrigation, Pneumatic, Agriculture, Spa, Pool, and Aquarium applications.

Part Specifications

Part#: KICV0-4NK
Body Material: Natural Kynar®
Diaphragm Material: Viton®
Size 1: 1/4" OD
Size 2: 1/4" OD
Type 1: Single Hose-Barb
Type 2: Single Hose-Barb
Flow Rate: 486 mL/min @ 30PSI
Cracking Pressure: 0.5 psi
Max Pressure: 150 psi
Style: High Flow Check Valve

Natural Kynar® (NK) or (K)

  • Temperature Range: -80 °F to 226 °F (107 °C)
  • Pressure: 260 psi @ 70 °F*
  • NK material can be autoclaved to 285 °F (140 °C)
  • Chemically resistant to: most acids, salts, weak bases, halogenated solvents, alcohols, nuclear and UV radiation, oxidants, ozone and deionized water.
  • Excellent rating for Ozone applications.
  • Animal Derivative Free
  • Meets USP Class VI requirements

*Applies to molded one-piece fittings.

Viton® (V)

  • Temperature Range: -20 °F to 400 °F (205 °C)
  • Diaphragm Max Pressure: 2000 psi
  • Viton® material can be autoclaved.
  • Chemically resistant to: Hydrocarbons, Many Aggressive Chemicals, Diluted Acids, Weak Alkalis, Mineral Oils, Aliphatic and Aromatic Hydrocarbons, Chlorinated, UV, and Ozone.
  • Excellent rating for Ozone applications.
  • Poor resistance to Ketones and Acetone.
  • Commonly used in applications involving Hot Water, Acid, Alkali, Oils, Hydrocarbon, Salts Solutions.