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Flange double plate check valve

sump pump check valve
Availability:
Quantity:

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.

6

图纸

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Company Name: Tianjin Tangfa Watts Valve Co., Ltd. 
Contact Person: Mr. jack wang (General Manager)
  +86 22 66224148

   +86 22 25291233

   tfwatts.jack@tfwvalve.com

    RM8401-3,TIANHE TECHNICAL ZONE,BINHAI NEW                AREA,TIANJIN CITY,CHINA

 

 

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