What should be confirmed before ordering?

Confirm size, connection, material, medium, pressure, temperature and installation conditions against the final project requirement.

Are the listed ratings applicable to every size?

No. Ratings and dimensions vary by model, size, material and end connection. Use the supplier drawing and final technical data for confirmation.

Can materials and dimensions be customized?

The catalog lists standard ranges. Material, connection and dimensions may be supplied to project requirements after technical confirmation.

Which documents can be requested?

Dimensional drawing, material information, inspection record and packing documentation can be requested with the order.

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Pipes Fittings & Flanges Check Valves

Check Valves

Curved Rubber Duckbill Check Valve

Curved-discharge rubber duckbill check valve; DN20–DN2400; Low-pressure drainage service; confirm per size.

Quick Specifications

Type Curved-discharge rubber duckbill check valve

Size DN20–DN2400

Material Elastomer valve body; material selected for wastewater or seawater service

Pressure Low-pressure drainage service; confirm per size

Connection Flanged / outlet configuration to order

Temperature Selected to suit elastomer and service

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Product Overview

Non-slam elastomer check valve for drainage discharge pipelines. Key configuration must be confirmed against the actual medium, design pressure, design temperature, connection standard and installation conditions.

Parameter	Value
Model	XH81
Product Family	Rubber check valve
Size Range	DN20–DN2400
Pressure Rating	Low-pressure drainage service; confirm per size
Body / Main Material	Elastomer valve body; material selected for wastewater or seawater service
End Connection	Flanged / outlet configuration to order
Temperature Range	Selected to suit elastomer and service
Typical Application	Non-slam elastomer check valve for drainage discharge pipelines.
Ordering Notes	Confirm selected size, connection, material, pressure-temperature limit and required certification before order.
Catalog Reference	Catalog p. 15

Curved Rubber Duckbill Check Valve

Quick Specifications

Product Overview

Q: What should be confirmed before ordering?

Q: Are the listed ratings applicable to every size?

Q: Can materials and dimensions be customized?

Q: Which documents can be requested?

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