Product Description

KSFLOW piston lift check valve  spring check valve

Design Features

Full open design
Bolted bonnet or welded bonnet
Swing type disc design
Optional buffering damp structure
Renewable or and welded seat
Flanged, butt-welded, socket- welded, or threaded ends

Technical Specification

Size: 1/2"-2" or DN15-DN50

Pressure: Class150-3000LB or PN16-PN160 or 10K-40K

Material: A105, F5, F6, F11, F22, F51, F304, F316, F304L, F316L, LF2, Alloy Steel etc.

Design & Manufacture Std.: API 602,BS 5352,ASME B16.34

Face to Face Std.: ASME B16.10 ,EN 558, DIN3202

End Connection Std.: ASME B16.5, DIN2543 , ASME B16.25 , ASME B16.11 ,ANSI B1.20.1

Test Standard: API598

Standard Material Specifications

Q: What customer care most ?
A: Product quality first,professional technique second,Excellent Service rank third.Last one is price
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods are in stock. or EX-works 45-60 calendar days after we received your confirmed order, if 3rd party inspection required, delivery should be extended accordingly.
Q: Do you provide samples ? is it free or extra ?
A: No, the prodcut what we offer is standard,so it does not need the sample.However,we can offer some spare parts for free
Q: What is your terms of payment ?
A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance ,balance before shippment.