In-Line Check Valves Harsh Chemical Resistant Poly Plastic 125psi Hose Barbs and Viton Seals with Hastelloy Spring

Plastic Polypropylene construction. The model 427 in-line check valve helps hold prime without overloading pump suction.

Plastic Viton poppet that seal on a quad ring.

Specially designed with a 3lbs Hastelloy spring for maximum bleach and chemical resistance.

• 125psi
  
• Crack Pressure - 3psi
• Max Temperature 140°F
• Designed for harsh chemical applications

Models Available:

• 1/4" Barb (Viton Seals / Hastelloy Spring)
  
• 3/8" Barb (Viton Seals / Hastelloy Spring)
• 1/2" Barb (Viton Seals / Hastelloy Spring)