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Double Flanged Double Disc Check Valve

Double Flanged 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

Double Flanged Double Disc Check Valve


Double Flanged Double Disc Check Valve design is generally stronger, lighter, smaller, more efficient and less expensive. Its meets API 594, which is approximately one fourth the face to face dimensions and 15% to 20% the weight,noney in initial valve coast and provides lower installation cost. The disc is litfed first by two spring to prevent.Suitable for horizontal or vertical up positions, In horizontal position flow allows plates to function free and under lower flow conditions as compared to swing check - Reduces pressure loss, improves dynamicthse and eliminates valve chatter.


1. Nominal   diameter:

     2" - 24"  (DN50 - DN600)

2. Pressure   range:

    Class 150 -  Class   2500  (PN16 - PN150)

3. Working   temperature: 
 -196 - +560

4. Body   material:
    Carbon steel, Stainless steel, Alloy steel, Bronze

5. End   Connection:


Stem: Stainless Steel

Spring: Stainless Steel

Seat: EPDM, NBR, Stainless Steel

Size: DN40-DN600mm PN1.0-1.6MPa

Body: Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel


Disc: Ductile Iron with Nickel Coating, Ductile Iron with Nylon Coating, Stainless Stee 304/316l, Alu-Bronze


Light weight

Compact design

Easy installation

Non-slam principle of operation

Suitable for horizontal and vertical up flow

Good flow characteristic and less pressure drop

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