Find Slow Closing Counterweight Butterfly Check Valve, Counterweight Butterfly Check Valve, Closing Counterweight Butterfly Check Valve on Industry Directory, Reliable Manufacturer/Supplier/Factory from China.
Home > Products > Cast Check Valve > control slow closing counterweight butterfly check valve
The Latest Product Alerts Send Me
control slow closing counterweight butterfly check valve
  • control slow closing counterweight butterfly check valve
Payment Type: T/T,D/P,Paypal,Money Gram,Western Union
Terms of Trade: FOB,CFR,CIF
Min. Order: 10 Piece/Pieces
Delivery Time: 10 Days
Packaging: carton
Productivity: 100000
Brand: RMI
Transportation: Ocean,Land,Air
Place of Origin: CHINA
Supply Ability: 1000/MOUNTH
Certificate: ISO
HS Code: 8481804090
Port: 宁波
Basic Info

Model No.: HHQ47H

Product Description
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, it 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. 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, 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



Ningbo RMI Plastic Co., Ltd.

 

Ningbo RMI Plastic Co., Ltd. is a professional manufacturer and exporter of plastic valves and piping materials, provide consult service and supply high quality piping materials for industrial application, water treatment system, irrigation systems, etc.

RMI products cover full range of plastic valves, pipes, fittings and accessories by different materials of PVDF, PVC, PVC-C, PP, PP-H, PP-GF, FRP, EPDM, VITON, PTFE. Over 30 kinds different valves include Diaphragm Valve, Ball Valve, Check Valve, Butterfly Valve, Foot Valve, Globe Valve, etc. Size from 1/2" up to 32", following standard of DIN, JIS, ANSI, CNS, ISO. 8 different materials of pipes and fittings diameter from 16mm to 600mm.

With high quality products and professional technical support, we serve more than 200 customers in different industries and areas all around the world, and win good reputation. Especially in steel industrial, chloride alkali industry, metallurgical industry, paper making industry, pharmaceutical factory, electroplating factory, mining plant, fish farm, etc.

We are continual working for the target of quality improving, technical innovation and service satisfied. Aim to provide customer durable and efficient products to ensure the piping system working safer and longer.

Company Info
  • Company Name: Ningbo RMI Plastic Co., Ltd.
  • Representative: Ms Shen
  • Product/Service: Diaphragm Valves , Butterfly Valves , Plastic Valves , PVC Valves , check valve , Ball Valves
  • Capital (Million US $): 1000000RMB
  • Year Established: 2006
  • Total Annual Sales Volume (Million US $): Below US$1 Million
  • Export Percentage: 81% - 90%
  • Total Annual Purchase Volume (Million US $): Below US$1 Million
  • No. of Production Lines: Above 20
  • No. of R&D Staff: Fewer than 5 People
  • No. of QC Staff: Fewer than 5 People
  • OEM Services Provided: yes
  • Factory Size (Sq.meters): 5,000-10,000 square meters
  • Factory Location: Chunxiao Industrial zone, Beilun Dist, Ningbo, China
  • Contact Person: Mr. Zheng
  • Tel: 86-189-06745650
Email to this supplier
To:
*Messages:
Your message must be between 20-8000 characters