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Quick Details

  • Material: Stainless Steel, Stainless Steel
  • Technics: Forged, Forged
  • Type: Coupling
  • Place of Origin: Henan, China (Mainland)
  • Model Number: Flexible Hose
  • Brand Name: Liwei
  • Connection: Flange
  • Shape: Equal, Equal
  • Head Code: Round
  • Brand name: Liwei
  • Name: large diameter flexible hose
  • Head code: Round
  • Lenth: 90-550
  • Certificate: IS09001&ISO14001
  • Model number: GJQ
  • Applicable medium: gas,oil,water, sea water,acid,alkali etc.

Packaging & Delivery

Packaging Details large diameter flexible hose: Fumigation-free wooden case (out package), plastic film and textile membrane(inside package). We can make change as your request.
Delivery Time Shipped in 10 days after payment


Product Description


 large diameter flexible hose :

1, when select the large diameter flexible hose, please use one end for ease of installation as possible for loose flange metal hose.

2, the construction site welding operations should protect the flanged stainless steel bellows surface to prevent burns arc welding slag and metal hose.

3 prohibited flanged stainless steel bellows twisted installation.

4, should not along the flanged stainless steel bellows root bending, there should be no dead corner.

5, The medium that through the bellows material should not corrosive, chloride ion content of the medium should be  25PPM

6, strict installation icon installed correctly installed.

7, non-mechanical damage flange sealing surface.

8, can not brush to remove dirt flanged stainless steel bellows with chlorinated cleaners live wire                                                              


1.Good commonality

2.Wide range of application

3.Complete in specification

4.Resistance to high pressure

The material:

Bellow pipe: stainless steel

Net: stainless steel

Flange: carbon steel, stainless steel

Installation maters:


1.When choosing the metal hose, for ease of installation, please as far as possible to choose the metal hose that one end is loose flange.

2.When welding operation the surface of the metal hose should be protect to prevent welding slag and metal hose arc burns.

3.It is forbidden to distort the install the metal hose.

4.Along the metal hose root should not be bend, should not have died.

5.The medium that through the pipe should not corrosive to the pipe

6.It is forbidden to mechanical damage the flange sealing surface.

7.Can't use chlorine cleaners work steel wire brush to clean metal hose in the dirt.













Quality System Authentification Certificate



Packaging & Shipping


Packaging & Delivery

Packaging Details: bellows air hose outside package:wooden case inside package:plastic film and textile membrane if necessary,we will change as your request
Delivery Detail:7-20 DAYS


bellows air hose

1,OEM,25 years history. 
2,timely shipment 
3,resonable price 

Our Services


Company Information

  Henan Liwei Industry Co., ltd. (the former Zhengzhou Liwei Rubber Products Co., Ltd.)  located at Shangjie District. Zhengzhou city is a manufacturer specializing in processing various steam, water, windpipe expansion and compensation joints, and a main base for producing rubber, metal and non-metallic pipe joints.

        Our Liwei brand flexible rubber joints have various heavy calibers, type and high quality in the county, The products series have won four patents and our company is named “Quality and Credit Unit” by Henan Province, Our product have become the first choices for national power design ,municipality and metallurgy units.

         At present, our product include four serial flexible rubber jointsthree types, tens of standard and common specification, eight series of metal pipe loosing compensation joints and fourteen standard specifications and types, eleven types of standard and common specification products for serial wind pipe non-metal compensatorsOur annual comprehensive production capacity can reach over forty thousand sets and we also process various pipe joint matching flat welding flanges (steel international/non-international standard). Our products have been sold in over thirty cities and autonomous regions, With China’s entry to the WTO; our products have been exported to foreign countries as Italy. Spain, Pakistan. Singapore and East European countries, etc, and the products have been become public famous brand products for design units and clients.

          Insisting on the rennet “Development Through Technology, Making More Friends, Creating Green Environment and Responsible for Future”, the company has been devoting itself to creating top products and well serving all clients around the world, Liwei brand products will be a red line between we and the clients for ever.


 Our Advantages:

(1)More than 24 years experience of manufacture

(2)The Main Drafting Units of Chinese Standard flexible rubber joint

(3)Compensator engineering research center of Zhengzhou city.

(4)Member of CNEA(China Nuclear Energy Association )

(5)ISO9001:2008 and ISO14001:2004 certificated by CNAS(China National Accreditation Service for Conformity Assessment)

(6)The largest vulcanizing equipment in China.

Henan Liwei Industrial Co., Ltd.

Address:No.68,Mengjin Road,Shangjie District,Zhengzhou,Henan,China

Tel:+86-371-67447999           Fax:+86-371-67447888

Mobile:15515560785                        Contact: Fly Zhao

Skype: fly8587                                 QQ:2104552362

If you want to know more information about Henan Liwei Industry Co., Ltd. you are welcomed to visit:







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