Home> Products> METALLIC VALVE> BUTTERFLY VALVE> control slow closing counterweight butterfly check valve
control slow closing counterweight butterfly check valve
control slow closing counterweight butterfly check valve
control slow closing counterweight butterfly check valve

control slow closing counterweight butterfly check valve

Payment Type:T/T,D/P,Paypal

Incoterm:FOB,CFR,CIF

Min. Order:10 Piece/Pieces

Transportation:Ocean,Land,Air

Port:宁波

Product Description
Product Attributes

Model No.HHQ47H

BrandRMI

CertificationISO

TemperatureLow Temperature

ConnectionWelding

PressureAdjustable

ClosedClosed

StructureSpring

MaterialStainless Steel

Warranty Period3 Years

Types OfButterfly Valves

Support CustomizationOem

Place Of OriginChina

ApplicationGeneral

Medium TemperatureNormal Temperature

PowerHydraulic

Flow MediumWater, Oil, Acid

StructureButterfly, Check

Supply Ability & Additional Information

Packagingcarton

Productivity100000

TransportationOcean,Land,Air

Place of OriginCHINA

Supply Ability1000/MOUNTH

CertificateISO

HS Code8481804090

Port宁波

Payment TypeT/T,D/P,Paypal

IncotermFOB,CFR,CIF

Packaging & Delivery
Selling Units:
Piece/Pieces
Package Type:
carton
Valve Introduction

HHQ47H self control slow closing counterweight butterfly Check Valve

HHQ47H self control slow closing counterweight butterfly check valve is installed at the exit of pump,Stainless Steel Butterfly Valve can prevent from medium backforward and water hammer damage when pump stop or emergency power shutoff.

Structure

Sloping seat designed, double offset disc

Metal to metal sealing surface. Wafer Butterfly Valve seat plating hard alloy or stainless steel. Disc sealing surface is multi-layer designed (stainless steel 316L & flexible graphite)

Installed with hydraulic slow closing device, small concentration slurry fluid. Valve diameter 250-2400mm, Lug Butterfly Valve nominal pressure no more than 2.5MPa

Application

Available medium: Water, sewage and others 

Main Parameters

Material

Part Name
Material
Body
Ductile cast iron or 20G carbon steel
Disc
WCB
Shaft
1Cr18Ni9Ti
Bearing
Composite self-lubricating bearing
Sealing Surface
SUS304/EPDM (Rubber Seal)
SUS304/SUS316L+Flexible graphite (Metal Seal)
Hard Alloy/SUS316L+Flexible graphite (Metal Seal)
Sealing elements
EPDM      Fluororubber

Valve Close Feature


Flow coefficient (Kv) & Flow resistance coefficient when valve fully opened (ζ)

DN

Kv
ζ

PN  0.6MPa

PN 1.0MPa

PN 0.6MPa
PN 1.0MPa

250


0.07

0.62

300


0.28

0.57

400


0.33

0.50

500


0.45

0.50

600


0.58

0.48

700


0.89

0.43

800

1.07

0.38

900

1.55

0.36

1000

1.98

0.30

1200

3.05

2.92

0.30

0.32

1400

4.17

4.11

0.30

0.32

1600

5.33

0.27

1800

7.40

0.22

2000

9.58

0.22




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