Plast-O-Matic CKS Diaphragm Check Valves

Plast-O-Matic CKS Diaphragm Check Valves

Series CKS Check Valves are normally-closed in design. They feature a corrosion-resistant PFA encapsulated spring, which energizes a poppet seal that will neither stick nor chatter and is automatic in action. The valves are not dependent upon gravity or reverse flow and represent a significant improvement over ball check valves. They can be mounted in any position. Even in the absence of reverse flow or pressure, the poppet will automatically reposition itself to seal against the valve seat. The unique poppet will seal in the same location every time, producing a reliable and repetitive seal.

PVC, Corzan® CPVC, or glass-filled polypropylene
EPDM or Viton™ diaphragms
PFA encapsulated stainless steel spring
Leak-free sealing
Will not stick or chatter
Female NPT
Positive repetitive sealing
Valve begins to open at approximately 1 to 1.5 psi
Pressure rating: 100 psi @ 75°F
Maximum temp.: 140°F (PVC) & 180°F (PP & CPVC)

Stock	Description	Catalog Pg.	Price
Item 88252	1-1/2" NPT PVC CKS Diaphragm Check Valve with EPDM Seals 379.68/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	379.68/Each Special Order
Item 88253	2" NPT PVC CKS Diaphragm Check Valve with EPDM Seals 508.31/Each In Stock Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	508.31/Each In Stock
Item 88254	3" NPT PVC CKS Diaphragm Check Valve with EPDM Seals 925.97/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	925.97/Each Drop Ship
Item 88255	4" NPT PVC CKS Diaphragm Check Valve with EPDM Seals 1428.15/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	1428.15/Each Drop Ship
Item 88261	1-1/2" NPT PVC CKS Diaphragm Check Valve with Viton™ Seals 385.82/Each Special Order Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	385.82/Each Special Order
Item 88262	2" NPT PVC CKS Diaphragm Check Valve with Viton™ Seals 521.78/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	521.78/Each Drop Ship
Item 88263	3" NPT PVC CKS Diaphragm Check Valve with Viton™ Seals 935.77/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	935.77/Each Drop Ship
Item 88264	4" NPT PVC CKS Diaphragm Check Valve with Viton™ Seals 1475.91/Each Drop Ship Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	1475.91/Each Drop Ship
Item 88271	2" NPT Polypropylene CKS Diaphragm Check Valve with EPDM Seals 494.83 371.1225/Each (25% off) 1 Available - Closeout Save 25%Clearance	P-469	(25% off) 494.83 371.1225/Each 1 Available - Closeout
Item 88279	1-1/2" NPT Polypropylene CKS Diaphragm Check Valve with Viton™ Seals 378.48 283.86/Each (25% off) 1 Available - Closeout Save 25%Clearance	P-469	(25% off) 378.48 283.86/Each 1 Available - Closeout
Item 88280	2" NPT Polypropylene CKS Diaphragm Check Valve with Viton™ Seals 488.71 366.5325/Each (25% off) 1 Available - Closeout Save 25%Clearance	P-469	(25% off) 488.71 366.5325/Each 1 Available - Closeout
Item 88286	1-1/2" NPT CPVC CKS Diaphragm Check Valve with EPDM Seals 470.34 352.755/Each (25% off) 1 Available - Closeout Save 25%Clearance	P-469	(25% off) 470.34 352.755/Each 1 Available - Closeout
Item 88287	2" NPT CPVC CKS Diaphragm Check Valve with EPDM Seals 600.17 450.1275/Each (25% off) 1 Available - Closeout Save 25%Clearance	P-469	(25% off) 600.17 450.1275/Each 1 Available - Closeout
Item 88293	1-1/2" NPT CPVC CKS Diaphragm Check Valve with Viton™ Seals 478.91 359.1825/Each (25% off) 2 Available - Closeout Save 25%Clearance	P-469	(25% off) 478.91 359.1825/Each 2 Available - Closeout
Item 88294	2" NPT CPVC CKS Diaphragm Check Valve with Viton™ Seals 606.3/Each 1 Available - Closeout Save 5% when you buy 2+ Save 10% when you buy 4+ Save 15% when you buy 12+	P-469	606.3/Each 1 Available - Closeout

Plast-O-Matic CKS Diaphragm Check Valves

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