DHH44 Micro Resistance Slow Closing Silencing Check Valve

DHH44 Micro Resistance Slow Closing Silencing Check Valve

1、 The Structural Characteristics Of DHH44 Micro Resistance Slow Closing Soundproof Check Valve. The DHH44X-10/16 Micro Resistance Slow Closing Check Valve Produced By Our Factory Is Mainly Used In Industrial And Urban Water Supply And Drainage Pipelines, High-rise Buildings, High-end Hotels, And The Outlet Of Pressurized Water Pumps. In The Design, The Requirements Of The Usage Environment Have Been Fully Considered, And A Sloping Plate Structure Has Been Adopted To Achieve Bright And Quiet Ope
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1、 Structural Characteristics Of DHH44 Micro Resistance Slow Closing Silencing Check Valve

The DHH44X-10/16 Micro Resistance Slow Closing Check Valve Produced By Our Factory Is Mainly Used In Industrial And Urban Water Supply And Drainage Pipelines, High-rise Residential Buildings, High-end Hotels, And At The Outlet Of Pressurized Water Pumps. In The Design, The Requirements Of The Usage Environment Have Been Fully Considered, And A Sloping Plate Structure Has Been Adopted To Achieve Bright And Quiet Operation, No Noise, And Smooth Operation, Ensuring That The Hotel And Residential Environment Is Quiet And Has Energy-saving Effects.

By Delaying The Closure, Local Backflow Water Is Released Into The System, Greatly Reducing The Water Pressure Impulse Caused By Pump Shutdown And Eliminating The Occurrence Of Destructive Water Hammer Peaks. The Cut-off Seal Is Made Of Nitrile Rubber, Which Has Good Sealing Performance, Shock Absorption And Wear Resistance, Long Service Life, And Easy Maintenance.


2、 Main Component Materials Of DHH44 Micro Resistance Slow Closing Soundproof Check Valve

Part Name

Material

Valve Body

Grey Cast Iron, Carbon Steel

Butterfly Valve Disc

Carbon Steel

Sealing Ring

Nitrile Rubber

Valve Stem

Stainless Steel

Buffer Oil Cylinder

Stainless Steel


3、 Main Technical Parameters Of DHH44 Micro Resistance Slow Closing Silencing Check Valve

ModelNominal Pressure PN (MPa)Test Pressure Ps (MPa)Operating TemperatureApplicable Medium
HousingSeal
DHH44X DHH44HOneOne Point FiveOne Point One(℃)Clear Water, Sewage, Seawater, And Mud Water
One Point SixTwo Point FourOne Point Seven Five0~80℃


4、 Main External Dimensions Of DHH44 Micro Resistance Slow Closing Silencing Check Valve(French Dust Connection Size: According To JB/T9-94 Standard)

Nominal Diameter DN (mm)Size (mm)Nominal Diameter DN (mm)Size (mm)
LHBLHB
Two HundredTwo Hundred And ThirtyFive Hundred And FiftyFour Hundred And FiftySeven HundredFour Hundred And ThirtyOne Thousand Two Hundred And TwentyOne Thousand And Eighty
Two Hundred And FiftyTwo Hundred And FiftySix Hundred And ThirtyFive Hundred And TwentyEight HundredFour Hundred And SeventyOne Thousand Three Hundred And TwentyOne Thousand And Two Hundred
Three HundredTwo Hundred And SeventySix Hundred And NinetyFive Hundred And NinetyNine HundredFive Hundred And TenOne Thousand Four Hundred And ThirtyOne Thousand And Three Hundred
Three Hundred And FiftyTwo Hundred And NinetySeven Hundred And EightySix Hundred And SeventyOne ThousandFive Hundred And FiftyOne Thousand Five Hundred And FiftyOne Thousand Four Hundred And Fifty
Four HundredThree Hundred And TenEight Hundred And SixtySeven Hundred And FiftyOne Thousand And Two HundredSix Hundred And ThirtyOne Thousand And Eight HundredOne Thousand Six Hundred And Seventy
Four Hundred And FiftyThree Hundred And ThirtyNine Hundred And TenSeven Hundred And EightyOne Thousand And Four HundredSeven Hundred And TenOne Thousand Nine Hundred And EightyOne Thousand Eight Hundred And Eighty
Five HundredThree Hundred And FiftyNine Hundred And EightyEight Hundred And FiftyOne Thousand And Six HundredSeven Hundred And NinetyTwo Thousand One Hundred And FiftyOne Thousand Nine Hundred And Fifty
Six HundredThree Hundred And NinetyOne Thousand And SeventyNine Hundred And SeventyTwo ThousandNine Hundred And FiftyTwo Thousand Five Hundred And FiftyTwo Thousand Four Hundred And Fifty


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