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Henan Zhengzhou Liwei Industry Co., Ltd.

China Manufacturer with main products: Rubber Expansion Joint, Metal Flexible Hoses, Mining Machinery, Air Dust Compensator, Stainless Steel Bellows, Steel Pipe, Fitting with...

Home  >Products Catalog > Rubber Flexible Check Valve (XF50-150F-XF120-1840-F)

Rubber Flexible Check Valve (XF50-150F-XF120-1840-F)

FOB Price: 2.00 - 8.00 USD/Set
Supply Ability: 10,000 Set/Sets per Month
Payment Terms: L/C, T/T
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: Hunan in China
Packaging Details: wooden case or as your request

Quick Details

  • Head Code: Hexagon
  • Shape: Equal
  • Connection: Flange
  • Brand Name: LIWEI
  • Model Number: LIWEI
  • Type: Coupling
  • Technics: Forged
  • Material: Carbon Steel
  • Model NO: XF50-150F-XF120-1840-F
  • Material: Cast Iron
  • Rubber: Natural and Synthetic Rubber
  • Certificate: ISO9001:2008, ISO14001:2004
  • Application: Water Industrial Usage


Product Description
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.
XF50-158-T 50 158 100 25
XF80-232-T 80 232 140 40
XF100-270-T 100 270 200 40
XF150-360-T 150 360 265 50
XF200-450-T 200 450 325 50
XF250-560-T 250 560 425 75
XF300-650-T 300 650 525 115
XF350-750-T 350 750 625 115
XF400-850-T 400 850 725 135
XF450-950-T 450 950 825 150
XF500-1060-T 500 1060 925 200
XF600-1200-T 600 1200 1025 200
XF700-1200-T 700 1260 1125 200
XF800-1450-T 800 1450 1400 250
XF900-1620-T 900 1620 1525 250
XF1000-1720-T 1000 1720 1725 250
XF1200-2010-T 1200 2010 1950 300
XF1400-2280-T 1400 2280 2320 320
XF1600-2600-T 1600 2600 2650 350
XF1800-2920-T 1800 2920 2960 400
XF2000-3150-T 2000 3150 3300 450
XF2200-3450-T 2200 3450 3580 500
XF2400-3760-T 2400 3760 3925 550
XF2600-3900-T 2600 3900 4250 600
XF2800-4200-T 2800 4200 4580 650
XF3000-4500-T 3000 4500 4990 700

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