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Zhejiang Alpha Valve Co.,Ltd. Products

Check Valve

Sandwich Check Valve

Sandwich Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Swing Check Valve

Swing Check Valve

Design & Manufacture according to : BS1868;
Face to Face according to :B16.10;
Flange Dimensions according to : B16.5;
Pressure & Temperature according to : B16.34;
Visual Inspection according to : MSS SP-55;
Marking according to : MSS SP-25.

Tilting Disc Check Valve

Tilting Disc Check Valve

Size Range: 2" – 40"
Pressure Class:
Class 150 – 2500

Axial Flow Check Valve

Axial Flow Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Disco check Valve

Disco check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Single Plate Check Valve

Single Plate Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Pressure Seal Check Valve

Pressure Seal Check Valve

Design & Manufacture according to : BS1868
Face to Face according to : B16.10;
Flange Dimensions according to : B16.5;
Pressure & Temperature according to : B16.34;
Visual Inspection according to : MSS SP-55;
Marking according to : MSS SP-25.

Lug Wafer Check Valve

Lug Wafer Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Flanged Dual plate Check Valve

Flanged Dual plate Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Wafer Dual Plate Check Valve

Wafer Dual Plate Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500

Double Flanged Check Valve

Double Flanged Check Valve

Size Range: 2" – 60"
Pressure Class:
Class 150 – 2500
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