Henan Liwei Industrial Co., Ltd.

China Manufacturer with main products: Rubber Joint, Dismantling Joint, Rubber Lined Pipe, Expansion Joint, Flexible Joint, Wave Air Way Joint, Air Way Joint, Yoking Joint

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Flanged Flexible Rubber Check Valve

FOB Price: 15.00 - 90.00 USD/Set
Supply Ability: 1,000 Set/Sets per Month
Shipping: Within 30 days after receipt of the deposit, or as your request
Payment Terms: L/C, T/T, Western Union
Update Time: 2015/5/7
In Stock

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Export Markets: North America, South America, Eastern Europe, Southeast Asia, Africa, Oceania, Mid East, Eastern Asia, Western Europe
Place of Origin: Henan in China
Packaging Details: Unfumigation wooden case (out package) and plastic film and textile membrane(inside package). We can

Quick Details

  • Head Code: Round
  • Shape: Equal
  • Connection: Flange
  • Brand Name: Liwei
  • Model Number: XF
  • Type: Flange
  • Technics: Forged
  • Material: Carbon Steel
  • Tubular: Water Industrial Usage

Specifications

Specification: 
1.24 years manufacturing experience 
2. ISO9001, ISO14001 
3. Import rubber 
4. China National Standards Drafting Unit of Rubber Joint 
5. Qualified Joint Supplier in Nuclear Power Plant 

Product introduction 

XF rubber slowly-closing cut-off valve is a new water supply and drainage valve with full rubber structure, duck-mouthed appearance and functions of positive flow-in and reserve cut-off. According to thrust analysis and calculation as well as different operation conditions, it is manufactured with different design mechanism and different rubber products by special processing, At positive operation the water flow inform entrance and the valve will be open at weak hydraulic pressure. The hydraulic pressure is higher. The valve gate will open more greatly and the water flow is greater, At reserve operation, the valve gate closes naturally and seals tightly cut-off valve, the back pressure is higher, the valve gate closes more tightly and the seal effect is better. It is used widely in various drainage exits to prevent from pouring backwards and flowing backwards in city planning, water conservancy and sewage disposal etc, it is the ideal product to replace flap valve. 

Product characteristics: 

The advantages are specially marked in comparison with traditional flap valve: 
A) Open and close automatically in security and reliability according to hydraulic difference without noise and in no need of operator and maintenance. 
B) Positive start has little water resistance and start-up pressure and the flow can be adjusted naturally according to hydraulic pressure. 
C) Reserve cut-off has good seal without leakage to prevent from flowing backwards. The back pressure is higher and the effect is barrier. 
D) Anticorrosion, aging resistance, deformation resistance, strong adaptability and long use life 
E) Wide size scope, nominal diameter of DN50-DN3000. 

Application scope: 

1) Excellent performance and wide application scope 
2) Applicable for sewage system 
3) Applicable for discharge system 
4) Applicable for dyke discharge 
5) Applicable for the drainage of airport and freeway 
6) Applicable for sewer discharge 
7) Applicable for sewage lagoon discharge 
8) Smell separation 

Installation structure type 

1) Belled XF-T be installed at the exit of drainage pipe 
2) Flanged XF-T be installed at the exit end with flange of drainage pipe 
3) Mounting plate XF-F is installed on the building at the water exit end. 
4) Build-in XF-F is installed at the exit end of rain and sewage system in cities. 
5) Grout or cement pipe XF-T be installed at the end of grout or cement pipe.
Type Nominal dia. of pipe L for length H for height C for external dia. of flange
XF50-150-F 50 150 100 150
XF80-220-F 80 220 140 200
XF100-250-F 100 250 200 225
XF150-340-F 150 340 265 275
XF200-420-F 200 40 325 338
XF250-520-F 250 520 425 400
XF300-620-F 300 620 525 485
XF350-700-F 350 700 625 525
XF400-800-F 400 800 725 588
XF450-900-F 450 900 825 625
XF500-980-F 500 980 925 688
XF600-1120-F 600 1120 1025 800
XF700-1180-F 700 1180 1125 969
XF800-1350-F 800 1350 1400 1080
XF900-1500-F 900 1500 1525 1150
XF1000-1600-F 1000 1600 1725 1325
XF1200-1840-F 1200 1840 1950 1485
 

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