Check Valve 426 Series PVC Gray 1/2" Barb BUNA

Model: 426 Series
Part Number: 5721590
Alt. Part Number: PVC 426-8B8B-B

Price: $11.55

5+ for $9.24 ea
10+ for $8.09 ea
20+ for $7.51 ea

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426 Series Check Valve PVC 1/2" Barb Features:

The 426 Series Check Valve design promotes multiple configurations to fit the exact end use application. Gray PVC with 1 psi stainless spring and ball is the standard configuration. PVC is a NSF Standard 61 Approved Material. Nylon, PVDF (Kynar®) and Glass Filled Polypropylene are available for chemical resistance applications. MakroBlend is an NSF Standard 51 Approved Material. Hastelloy is a superior chemically resistant spring material. Teflon® balls are standard with Hastelloy springs for chemical resistance applications.

Options are only available with a special order. Please call to place a special order with varying options.
Material Options		Gray PVC (Standard), White PVC, White Polypropylene, Black Nylon, White Nylon, MakroBlend, Black PVDF (Kynar®)
Seal Options		Buna-N (Standard), Ethylene Propylene, Fluoroelastomer (Viton®)
End Options		1/8, 1/4 Male and Female NPT 1/8, 1/4, 5/16, 3/8, 1/2 Hose Barb 1/8, 1/4 JACO 1/4, 3/8 SMC Push-To-Connect 3/8 BIB (Smooth Barb)
Cracking Pressure		1 psi (Standard), 1/3, 1.5, 3, 5, 7, 10, 12 psi or No Spring, Hastelloy Spring - 1/3, 1, 5, 12 psi
Ball Material		316 Stainless Ball with 302 Stainless Spring (Standard), Teflon® Ball with Hastelloy Spring

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