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Soft Seat Wafer Double Disc Check Valve

Soft Seat Wafer Double Disc Check Valve

Structural Feature Short structural length,only 1/4~1/8 of that of traditional flanged check valve; Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve; Quick valve disc closedown,low water hammer pressure; Applicable for and easily installed for vertical or...
Product Details

Soft Seat Wafer Double Disc Check Valve


An important concept in check valves is the cracking pressure which is the minimum upstream pressure at which the valve will operate. Typically the check valve is designed for and can therefore be specified for a specific cracking pressure.

Products Description

Nominal diameter 

 1.5" - 48"(DN40 - DN1200)

Pressure range

150LB - 1500LB (PN16 - PN420)


-196℃ - 560℃




Socket  welding or inner screwed


Full  bore or reduced bore, B.B or W.B or pressure seal bonnet, through way, OS&Y


Hand  wheel


Oil and  gas pipeline
  Drainage system
  Chemical Plant

Main Parameter Specification

Inspection and test: API598, JB/T9092;

Design and manufacture: API594, API 6D, JB/TB8937;

Face to face and end to end: API594, API6D, DIN3202, JB/T8937;
Pressure-temperature rating: ASME B16.34, DIN2410, GB/T9124, HG20625, SH3406, JB/T74.

The Advantages & Disadvantages of Soft Seat 

1.Good sealing performance , zero leakage can be achieved .

2.Short service life 

3.Poor adaptability to temperature 

4.Easy to age and wear

Our company is specialized in manufacturing and various valves . To guarantee good quality, we follow ISO9001 standards to inspect our goods. From raw material purchase to pre-shipment inspection, we keep an eye on every step to ensure the satisfaction of our customer on quality.

If you have any  questions, please feel free to contact me.your enquiry  will get prompt attention.
we will do out best  to quote you a more competitive price and short delivery time .

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