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XH81A Slip On Duckbill Check Valve

    Place of Origin: China

Product Description

Slip On Duckbill Valves(2"-14")

Duckbill Check Valves, 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 check valves 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 Valves. 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 Check 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"

Slip On Duckbill Valves Data Sheet:

DN50-350


SIZE
I.D.
(mm)
VALVE DIMENSIONS
Standard Dimensions for Clamp
OD(mm)
F/F(mm)
W(mm)
Weight(kg)
φ(mm)
PCS
Bolt Diameter×Length (mm)
w(mm)
Weight(kg)
150
159
270
247
1.8
183
2
12×50
25
0.6
200
219
340
306
5.4
246
2
12×50
25
0.7
250
273
416
380
7.2
300
2
12×60
25
0.9
300
325
484
480
12.2
360
2
12×70
30
1.1
350
377
534
540
20.2
420
2
12×70
30
1.3

Note:
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.

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