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Xh81a Duckbill Check Valve Valves Red - China

price: contact company for price

Slip On Duckbill Check Valve(2'-14') Supply Range is From 50mm to 350mm

Stainless Steel Clamps Connect with Pipe End Cost-effective and

Maintenance Free Backflow Prevention Automatically Most Professional

Mamufacturer From China

Slip On Duckbill Valves(2'-14')

Duckbill Valve, widely used in the demanding applications of many industries, are precision-molded, one-piece elastomeric valves that provide reliable backflow prevention at low pressure differentials. Duckbill valves rubber allow free flow with positive differential pressure. With negative differential pressure, backflow is checked. Pressure drop across the valve is a feature unique to Duckbill Check Valve. They can be designed to operate in a few millimeters (inches) of water to several hundred kPa (psi), depending on valve size, geometry and compound characteristics. Duckbill Check Valves are also designed to start functioning at specific opening and closing pressure ranges, depending on your specifications.

Slip on duckbill valve DV-XH81A Features:

Reliable backflow prevention

100% elastomeric construction eliminates maintenance

Will not corrode, warp or freeze open or shut

1”-2” Cracking Pressure, Low Head loss

Custom built for each application based on pressure and flow conditions

Available in diameters from 1/2' (12mm) to 14'


1. The inner diameters are matched to the pipe outer diameter on which installed.

2. The weight is approximate.

3. The dimensions are not integrated in the above table, contact Liangda for more information.

4. We can make duckbill valves with any inner diameters upon request.

5. PCS are the number of half part of the clamps

6. The usual material of the clamp is stainless steel 304, other material availble upon request.

7. Duckbill valves of dimensions in the above table are available in inventory. Any other dimensions and designs available upon request.

We love hearing from our customers and value your feedback.Here are ways to contact Liangda.24 hours a day, 7 days a week.Email:sales@liangda.net Web:http://www.duckbillvalve.net/

Company Contact:

  • Phone: 8637160388868

  • Address: 8th Fumin Rd, Zhongyuan District, Zhengzhou, China

  • Email: Email

Published date: August 27, 2013 -

  • Business Description: GYLDT's main products are series of Gate valve,butterfly valve,flap

    valve,Duckbill Check Valve,dismantling joint, flange joint,Rubber

    Expansion Joint,pinch valve,etc. Good production equipments,testing

    equipments and professional staff are key factors of making good brand

    products of GYLDT, which enjoy highly reputation of customers both at

    home and abroad.

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