Zhejiang, China
Business Type:
Manufacturer/Factory & Trading Company
Main Products:
Number of Employees:
Year of Establishment:
Management System Certification:
ISO9001:2015 certificate
OEM/ODM Service
Sample Available

Check Valve, Hydraulic Valve, Anti-Pollution Shut off Valve manufacturer / supplier in China, offering Tiny Resistance Anti Pollution Isolating Valve (LHS743X), Cast Iron Y Pattern Globe Pressure Relief Sustaining Valve, Y Pattern Double Chamber Globe Automatic Safety Pressure Relief Sustaining Valve and so on.

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Supplier Homepage Products Antifouling Shut off Valve Tiny Resistance Anti Pollution Isolating Valve (LHS743X)

Tiny Resistance Anti Pollution Isolating Valve (LHS743X)

Purchase Qty. / Reference FOB Price
1-9 Pieces US $450
10+ Pieces US $420
Port: Ningbo, China
Production Capacity: 2000PCS/Month
Payment Terms: L/C, T/T
Temperature Applicable: 0~ 80ºC
Medium Applicable: Water etc
Material: Di, Ci, Ss, Brass etc
Pressure Grade: Pn10, Pn16, Pn25
Coating: Inside and Outside Epoxy (Ci, Di)
Transport Package: Bubble Plastic Paper + Plywood Case

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Basic Info

Model NO.
DN40 -- DN600
Anti-pollution Isolating Valve

Tiny Resistance Anti Pollution Isolating Valve (LHS743X)
SIZE: DN40 ~DN600
Pressure Rating: PN10, PN16, PN25

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.

1, Minimized water head loss & energy saving
2, Air isolating & automatic drainage
3, Small installation space;  Horizontal or vertical installation 

Medium applicableWater etc
0 ~ 80ºC
Nominal PressurePN10--PN25
Nominal DiameterDN40--DN600
Flange DimensionASME B16.5, BS4504, ISO2531, ISO7005 and other standards 
Thread typeISO, NPT, BSP etc
Face to Face LengthAPI594,BS5155, ISO5752, DIN3352 and other standards  

Body, BonnetDisc, SeatDrainage deviceStemGasketSpring
Cast iron,
Ductile Iron,
Cast Steel,
Brass  etc
Stainless steel
Carbon steel,
Stainless steel
Stainless steelNBRStainless steel

Order process:
1, Customer Send order list to email:, or telephone +86-577-67379225
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://en.chinaguanlong.net/

Tiny Resistance Anti Pollution Isolating Valve (LHS743X)
Tiny Resistance Anti Pollution Isolating Valve (LHS743X)


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