Detailed Product Description

Flange Type Double Disc Check Valve
Characteristics and Design Description: 
1.It is short in face to face dimensions, being 1/4-1/8 times that of traditional flange type check valve.
2.It is impact in volume size and light in weight of about 1/4-1/20 times that of traditional flange type check valve.
3.The disc closes quickly with less water mammer pressure.
4.It is convenient in installation, being available for use on level or vertical pipelines.
5.Flow passage is fluent with less flow resistance.
6.It acts sensitively with good sealing effect.
7.Disc travel is short iwth less impact force caused by valve closing.
8.It is impact in integral structure with nice outline view.
9.It is longer for service life with high reliability.
Service Structure: Flange Type  
Applicable Standards: 
Design and Manufacture: API6D, API594
Face to Face: API 594, API6D, DIN3202 
Flange Ends Dimensions: ASME B16.5, ASME B16.47, API605, MSS SP-44, ISO7005-1, DIN2543-2548
Inspection and Test: API598, API6D 
Pressure Rating: 150LB-900LB
Size: 2-24"
Body Material: ASTM A216 WCB, ASTM A217 WC6, ASTM A217 WC9, A351 CF8, A351 CF8M, etc.