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
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Slow Shut Valve, Globe Valve, One Way Valve manufacturer / supplier in China, offering Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X), Stainless Steel Direct Acting Pressure Reducing Pilot Valve, Diaphragm Direct Acting Inbuilt Strainer Pressure Reducing Valve (200P) and so on.

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Supplier Homepage Products Check valve / Non-return valve Buffer Type Check valve Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X)

Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X)

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Min. Order / Reference FOB Price
1 Piece US $400-3,000/ Piece
Port: Ningbo, China
Production Capacity: 1000 PCS /Month
Payment Terms: L/C, T/T
Material: Ci, Di, CS, Ss etc
Connection Form: Flange
Structure: Swing
Pressure: Ordinary Pressure
Function: Nrvr Silence, Nrvz Silence, Nrvg Silence
Sealing Form: Soft Sealing / Metal Sealing

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Basic Info

Model NO.: GLHDH744X
Flow Direction: Unidirection
Standard: ANSI, API, DIN, BS, GB etc
Application: Industrial Usage, Water Industrial Usage
Temperature Applicable: 0ºC ~80ºC
Medium Applicable: Water, Sewage, Sea Water
Pressure Rating: Pn10, Pn16, Pn25, Pn40 (Cl150, Cl300)
Trademark: KARFAR
Transport Package: Bubble Plastic Paper + Plywood Case
Specification: DN300 ~ DN1600
Origin: China

Product Description

Damping Butterfly Check Valve (intelligent automatic control)
Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X)

The KARFAR model GLHDH744X is multifunctional, remixing check valve, globe valve and pressure surge eliminator. It is mounted at the outlet side of the pump to stop backflow, start pump in underloading, eliminate pressure surge etc. It works to protect pump station, equipments and pipeline in the system. The opening range of the disc can be adjusted in a digital displayer of the disc opening step controller. At the same time, Direct Currency 4-20MA is output to the computer controlling centre. 

The model is popularly used in industry of metal refining, petrochemical, oil, city construction, environment protection, water conservancy project. 

1, Micro resistance: 
Open & close is actuated by the direction change valve. The big disc opens and closes quickly with small resistance.
2. Small size:
 Because of butterfly disc type, the valve volume is only one third ~ one fifth of other silimar function valves. It needs much smaller space for installation.
3, Light in weight:
Weight is one third ~ one fifth of similar valves, thus save a lot of cost.
4, Long service life:
Tilting sealing line leads to better self-compensation of sealing face abrasion.
5, Automatic operation:
The valve and the pump works interlocked by medium in the pipe. No need of manual operation. Valve will open when pump starts. Valve will close when pump stops.
6, Energy saving:
t is automatically operated by the medium pressure. No need for extra power.
7, Excellent sealing:
Double sets of sealing, soft sealing and hard sealing in order to guarantee longtime drip tight.
8, Smooth operation:
Due to offset structure of this disc, it has small friction torque so opening and closing is very smooth.
9, Easy maintenance:
The control system is mounted outside the valve so it is easy to adjust or fix it.

BodyCast iron, Ductile Iron, Cast steel, Stainless steel etc
DiscCast steel etc
StemStainless steel etc
SeatStainless steel
SleeveStainless steel
Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X)
Intelligent Automatic Buffer Damping Butterfly Non Return Check Valve (GLHDH744X)

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