Dual Plate Wafer Check Valve

Stainless Steel
Fibrous Pulp
Gases

Dual pate wafer check valve is applicable for various pipelines with nominal pressure of PN 1.0MPa-42.0MPa, Class 150-2500 and nominal diameter of DN15-1200mm, NPS1/2’’-48’’ and working temperature of -196-540℃ to be used for protecting form medium back flowing . The different materials selection can apply to the medium involving water,steam,oils,nitric acid,strong oxidizing medium and urea etc.

Provider

Carilo Valves

Specifications

Type Check Valves
Body Material Stainless Steel , Carbon Steel
Media Fibrous Pulp , Gas , Liquids , Natural Gas , Oil , Thermic Fluids
DN/NPS/NB(Metric) Min: 0.5 inch ( 15 mm )
Max: 48 inch ( 1200 mm )
Temperature Min: -29 C ( -20 F )
Max: 816 C ( 1,501 F )
Pressure Min: 1 Bar ( 15 psi )
Max: 431 Bar ( 6,251 psi )
ANSI / ASME Ratings 900 , 2500 , 1500 , 300 , 600 , 250 , 150
Design Standards API , ASME
Actuation Method Manual
Applications Gases , Hydrocarbon Applications , Petrochemical , Process Control , Pulp & Paper , Refining
Country China

Key features/benefits

Structural feature:
1. Short structural length,only1/4-1/8 of that of traditional flanged check valve;
2. Low volume,light weight,only 1/4-1/20 of those traditional flanged check valve;
3. Quick valve disc closedown,low water hammer pressure;
4. Applicable for and easily installed for vertical or horizontal pipelines;
5. Smooth flow passway and small fluid resistance;
6. Flexible action and good sealing performance;
7. Narrow valve travel and small closedown impact;
8. Integrated structure,simple and compact,in beautiful shape;
9. Long service life and good reliability.

Product Range: 
●Size: NPS1/2’’ –48’’/DN15– DN1200
●Rating: Class 150 – Class2500/PN10– PN420
●Material:WCB,WCC,WC6,WC9,CF8,CF8M,CF3,CF3M,CF8C,LCB,LCC

 

Design descriptions:
●One piece body
●Horizontal or vertical service
●Wafer ends
●Dual plate disc,long pattern
●Renewable split disc
●Available with flanged ends

 

Applicable standards:
●Design& manufacture:API 594,ASME B16.34
●Face to face:flanged,API 594
●Flange ends: ASME B16.5,ASME B16.47,EN 1092-1
●Inspection and test:API 598,EN 12266

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