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Cast Iron Dual Plate Wafer Type Check Valve

Cast Iron Dual Plate Wafer Type Check Valve

Cast Iron Dual Plate Wafer Type Check Valve The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding...
Product Details

Cast Iron Dual Plate Wafer Type Check Valve


The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect. It can be installed on horizontal and vertical pipelines.


Nominal pressue (MPa)

1.0

1.6

Nominal diameter(mm)

50-600

50-600

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.

Standards:

Design & Manufacture

Flange Connection

Face to Face Dimension

Test & Inspection

API 594

DIN PN10/16/25

API594

API 598

Material:

No.

Part Name

Material

1

Body

Cast Iron/Ductile Iron

2

Plate

Ductile iron+Ni,CF8,CF8M,Bronze

3

Spring

Stainless steel

4

Hinge Pin

Stainless steel

5

Plug

Carbon steel

6

Body Bearing

PTFE

7

Spring Bearing

PTFE

8

Stop pin

Stainless steel

9

Eye Bolt

Carbon steel

10

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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