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Valves (3)

The Cost-effective Rubber Duckbill Check Valve

FOB Price: US $8.26 - 388.687 / Set Get Latest Price
Min.Order Quantity: 1 Set/Sets
Supply Ability: 36000 Set/Sets per Month
Port: qingdao shanghai tianjin
Payment Terms: L/C,D/P,T/T,Western Union
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Quick Details

Standard or Nonstandard:
Standard
Structure:
Check, Check
Pressure:
Medium Pressure, Medium Pressure
Power:
Hydraulic
Material:
Rubber
Temperature of Media:
Low Temperature,Medium Temperature
Media:
Water,water,sea water,steam,oil,acid,alkali.an...
Port Size:
DN20-2400MM,DN20-DN2400
Place of Origin:
Henan China (Mainland)
Model Number:
XH81
Brand Name:
bright
color:
rubber black
DN:
DN20-2400
temprature:
-30-80 degree

Packaging & Delivery

Packaging Detail: outside package:wooden case;inside package:paper box or according to your demand
Delivery Detail: within 3-35days afer receiving advance payment

Specifications

Rubber Duckbill Check Valve:
1.Quiet Operation
2.Zero maintenance
3.Design prevents backflow
4.Will seal around solids

The Cost-effective Rubber Duckbill Check Valve: 
1.Quiet operation
2.Zero maintenance
3.Design prevents backflow
4.Will seal around solids
 Product Introduction:

Rubber Duckbill Check Valve is custom made and is intended for specific applications.It is  designed to respond to criteria unique to its purpose,such as line pressure,backflow pressures,and chemical compatibility.

Should the conditions be altered or changed significantly,it could affect the normal operation of the Rubber duckbill Check Valve. Rubber Duckbill Check Valve operates based on differential pressure,When the line pressure(at the valve inlet)exceeds the backpressure(at the valve outlet),the valve opens and flow is created.When the backpressure exceeds or overcomes the line pressure,the bill of the Rubber duckbill Check Valve seals shut,thereby preventing any backflow from occurring.

 

Installation:

 1.Ensure that pipelines have been depressurized prior to installation,removal,or servicing the Rubber duckbill Check Valve .For best performance,bills should bu installed as close to the vertical position as possible,In cases where clearance below the pipe outlet is minimal,the Duckbill should be rotated only enough as required to avoid contact with the ground.

 

1.Do not install against raised-face flanges(only to smooth-face flanges).Remove all burrs or sharp edges from the pipe flange faces and wipe clean of oil,grease,etc.Apply a thin coat of graphite or glycerine to the pipe flange face,This will ease installation and allow for easy removal at a later date.

2.Lift the Rubber Duckbill check Valve into position and align the bolt holes of the pipe flange,It flange and the retaining ring.Ensure that the Rubber  Check Valve's bill is oriented in a vertical position.

3.After the Rubber duckbill Check Valve and retaining ring(where applicable) are in the correct position,push two bolts through to ensure alignment.After the proper alignment has been obtained,install the remaining nuts and bolts using washer at the split holes(if the Rubber Duckbill Check Valve comes with retaining ring).

4.Use two wrenches when installing the Rubber Duckbill Check Valve .Tighten all flange bolts in a criss-cross pattern similar to the one shown in Figure 2 to the maximum torque recommended in Figure 3.

5.Do not weld near the Rubber Duckbill  Check Valve

 

 

Main data:

Matching Pipeline Diameter

Valve Step (A)

Pipeline Touching (B)

1/2'-3/4'

15

15

1'-1-1/4'

20

20

1-1/2-2-1/2

25

25

3'

40

40

4'

50

50

6'

50

50

8'

50

50

10'

50

50

12'-14'

100

100

16'-20'

150

150

24'-36'

200

200

42'

250

250

48'-60'

300

300

72'

400

400

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Established 1998,Zhengzhou Bihe Co.,Ltd is located in Zhengzhou city, China, with registered capital of 1 million yuan, which is invested according to the modern enterprise system by Gongyi Wanda Supplying and Draining Water Co., Ltd. Now it has characteristic of import & export manufacturer & trader.

We have 2 factories, one produce pipeline expansion joints (also known as rubber expansion joints, flexible rubber joints, pipe fittings,etc), and the other branch company is ISO9001:2000 ... View detail

Basic Information

Product/Service (We Sell): pipe fittings,valves,flange,wires & cables  
Number of Employees: 51 - 100 People  

Trade & Market

Main Markets: Western Europe
Eastern Asia
Mid East
Africa
Southeast Asia
Eastern Europe
South America
North America
Total Annual Sales Volume: US$5 Million - US$10 Million  
Export Percentage: 61% - 70%  

Factory Information

Factory Size (Sq.meters): 3,000-5,000 square meters  
Factory Location: Gongyi, Zhengzhou City, China  
Number of Production Lines: 8  
Number of R&D Staff: 21 - 30 People  
Number of QC Staff: 11 - 20 People  
Management Certification: ISO9001  
Contract Manufacturing: OEM Service Offered   Design Service Offered   Buyer Label Offered  

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Verified Supplier - Zhengzhou Bihe Trade Co., Ltd.
China (Mainland) | Manufacturer, Trading Company | Contact Details
Experience: Established 2009

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Mr. Peter Gui
Mr. Peter Gui:
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