Check Valve 426 Series PVC Gray 1/4 FPT x 1/4 MPT BUNA

5721290 SMCPVC 426-4F4M-B
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Part Number: 5721290
Alt. Part Number: PVC 426-4F4M-B
In Stock, Ready to Ship!
MSRP: $16.17
Price: $11.55 
5+ for $11.52 ea
10+ for $11.49 ea
20+ for $11.46 ea
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$27.43 $15.88 more ea @ GuardianCatalog
  as of Sep 24, 2018

426 Series Check Valve PVC Gray 1/4" FPT x 1/4" MPT BUNA


The 426 Series Check Valve prevents reverse flow and cross contamination and its 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 available by special order with a minimum order of 100 units. Please call to place a special order with varying options.

Material OptionsGray PVC (Standard), White PVC, White Polypropylene, Black Nylon,
White Nylon, MakroBlend, Black PVDF (Kynar®)
Seal OptionsBuna-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
Max Pressure125 psi
Max Temperature140° F

Certifications
NSF Standard 51
Dimensions
General
Material
PVC
Operating Condition
140° F
125 psi
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