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

Water Turbine Valve, Pump Valve, Automatic Check Valve manufacturer / supplier in China, offering Counterweight Type Non Return Butterfly Valve (HD743H), Stainless Steel Direct Acting Pressure Reducing Pilot Valve, Diaphragm Direct Acting Inbuilt Strainer Pressure Reducing Valve (200P) and so on.

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Counterweight Type Non Return Butterfly Valve (HD743H)

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Min. Order / Reference FOB Price
1 Piece US $500-10,000/ Piece
Port: Ningbo, China
Transport Package: Bubble Plastic Paper + Plywood Case
Payment Terms: L/C, T/T
Driving Mode: PLC / Counterweight / Hydraulic Control Station
Connection Form: Flange / Weld
Structure: Single/Double/ Triple off Set Sealing
Seal Form: Force Sealed
Valve Stem: Normal
Work Pressure: Mid-Pressure (2.5mpa< Pn <6.4mpa)

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Basic Info

Model NO.: HD743H
Working Temperature: Normal Temperature (-40°C<T<120°C)
Material of Seal Surface: Metal Hard Sealed
Valve Body: Casting
Application: Industrial Usage, Water Industrial Usage
Medium Applicable: Water, Sea Water, Sewage, Oil etc
Trademark: KARFAR / OEM
Specification: DN150~DN3500
Origin: China

Product Description

ΔHydraulic station Control Slow Shut Non return Butterfly Valve
Model HD743H

Open time: 10 ~ 120 seconds (adjustable)
Quick shut time: 1.5 ~ 30 seconds (adjustable) 
Slow shut time: 6~120 seconds (adjustable)
Quick shut angle adgree: 70°±10°
Slow shut angle adgree: 20°±10°
Resistance coefficient at full open positioin:0.1
Electricity voltage: AC220V,DC220V,DC110V,DC24V etc.

Hydraulic station Control Slow Shut Non return Butterfly Valve is mainly installed at inlet pipe of water turbine; or installed at outlet side of all kinds of pumps, replacing check valve and gate valve. This valve will cooperate with main device in the pipeline, through hydraulic station, electric actuator PLC setting, to achieve reliable cut-off function and eliminate water hammer. It can automatically close when power goes off so to protect the pipeline system.
This couterweight type model is automatically cut off by gravitational potential energy of the couterweight hammer. It is applied with PLC control system. It can also assemble with munual locking and automatic locking device. 

Δ Automatic operation
Δ Small Resistance
Δ Multiple functions in one
Δ Reliable performanc

We also have accumulator type as bellow:
Counterweight Type Non Return Butterfly Valve (HD743H)

Counterweight Type Non Return Butterfly Valve (HD743H)

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