Dual plate double pump check valve

Specifications:

Nominal pressue (MPa)		1.0	1.6
Nominal diameter(mm)		50-1000	50-1000
Test pressure	Shell	1.5	2.4
(MPa)	Seal	1.1	1.76
Applicable temperature		150
Applicable medium		Fresh water, Sewage, Sea water, Air, Vapor, Food, Medicine, Oils, Acids, Alkalis, etc.
Operating mode		manual, worm gear, pneumatic, electric, etc.

Standards:

Design & Manufacture	Flange Connection	Face to Face Dimension	Test & Inspection
API 594	DIN PN10/16/25	API594	API 598

Material:

body	Cast Iron, Ductile Iron, Carbon Steel, Stainless Steel
Plate	Ductile Iron, Carbon Steel, Stainless Steel
Spring	Stainless Steel
Hinge Pin	Stainless Steel
Plug	carbon steel
Body Bearing	PTFE
Spring Bearing	PTFE
Stop Pin	Stainless Steel
Eye Bolt	Carbon Steel
Body Seat	NBR, EPDM, Viton, Neoprene

Application:

Chemicals, air, water, steam, oil, acids, salts ect

Features:

1. Small in size, light in weight, compact in structure,easy in maintenance.

2. Two torsion springs are used excreting on each of the pair valve plates,which close the plates quickly And automatically.

3. The quick-close action prevents the medium from flowing back and eliminates water hammer effect.

4. Short body structure length and good rigidity.

5. This valve is tightly sealed, without leakage under the pressure water test.

6. Safe and reliable in operation,high interference-resistance.

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