Tiny Resistance Anti Pollution back flow preventor
MODEL NO. LHS743X
This Model LHS743X minimized resistance anti pollution isolating valve consists of two non-return valves and a drainage and pressure relief device. It is a safety device to prevent back flow pollution in pipeline of daily drinking water system and it keeps drinking water safe and healthy. The upper cavity connects with the inlet of first-stage non-return system. The first and second stage check valve system mainly consists of valve body, inlet connector, disc, gasket, spring etc. Drainage and pressure relief device mainly consisted of valve bonnet, diaphragm, gasket, drainage outlet, spring and air block device.
Features:
1, Minimized water head loss & energy saving
2, Air isolating & automatic drainage
3, Small installation space; Horizontal or vertical installation
Medium applicable |
Water etc |
Temperature
applicable |
0 ~ 80ºC |
Nominal Pressure |
PN10--PN25, CL150, CL300 |
Nominal Diameter |
DN40--DN600 |
Flange Dimension |
ASME B16.5, BS4504, ISO2531, ISO7005 and other standards |
Thread type |
ISO, NPT, BSP etc |
Face to Face Length |
API594,BS5155, ISO5752, DIN3352 and other standards |
Material
Body, Bonnet |
Disc, Seat |
Drainage device |
Stem |
Gasket |
Spring |
Cast iron, Ductile Iron, Cast Steel,
Brass etc |
Brass,
Stainless steel |
Carbon steel, Stainless steel |
Stainless steel |
NBR |
Stainless steel |
Order process:
I. Valve type, face to face length; II. Connection type; III. Norminal Diameter; IV. Medium type and temperture, Pressure range; V. Material; VI. Actuator
2. After receiving your list, KARFAR will choose Model and give price.
3. Discuss detail request. dlivery time etc
4. Special requests should include in the contract.
We also manufacture as per customer request or drawing.
company website: http://wzguanlong.en.made-in-china.com