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Quick Details

  • Material: Stainless Steel
  • Technics: Casting
  • Type: Flange
  • Place of Origin: Henan, China (Mainland)
  • Model Number: flexible hose
  • Brand Name: Liwei
  • Connection: Flange
  • Shape: Equal
  • Head Code: Round
  • application: pump,valve
  • type: expansion joint
  • color: as your request

Packaging & Delivery

Packaging Details outside package:wooden case
inside package:plastic film and textile membrane
if necessary,we will change as your request
Delivery Time Shipped in 10 days after payment


  AISI304 316L stainless steel flexible hose for water heater


As a flexible pressure pipe fittings stainless steel hose installed in the liquid delivery system, to compensate for pipe or machinery, equipment connect the displacement of each other, to absorb vibration energy and can play a role reducing vibration, sound, etc, has good flexibility, quality light, corrosion resistance, fatigue resistance, resistance to a number of features such as high and low temperature.

Name: axial type, ordinary type axial, angular, unitary hinge type, belt bearing axial type, outside the closing type, single direction type, horizontal type, single lever type, pressure balance type, single straight pipe pressure balance type, double straight pipe pressure balance type, compound type, single bend bar pressure balance type, compound the chain type, pressure balance type single bend.

Henan Liwei Industry Co.,Ltd. could provide you high quality SS304 and SS316 stainless steel metal bellows.And we also produce flexible joint,rubber joint,expansion joint,dismantling joint,non-metallic compensator,rubber lined pipe and fittings.Any request of these pipe fittings,please don't hesitate to contact us.We will give you our best price with best quality.

Corrugated pipe adopts multi-layer structure, than single layer to reduce the stiffness, increasing the displacement, to shorten the length of the valve.



1. The design specification

On the basis of relevant standards specified in the valve design manual stem diameter, smallest minimum opening stroke and corrugated component by external pressure welding form of graphic design, corrugated pipe component structure is reasonable, compact, is helpful to the design of the valve structure miniaturization.


2. The main technical specifications

Using range: the product is suitable for the corrugated pipe cut-off valve, corrugated pipe gate valve, throttle valve, bellows wave spinning tube regulator, etc.


Nominal diameter: 16250


Nominal pressure. : PN1.6 PN2.5, PN4.0 PN6.4, PN10.0, PN14.0.


Bellows design pressure form the outside pressure, pressure is 1.5 times the nominal pressure.

Working temperature: - 196 °C -- 1000 °C



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, It is also the appointed enterprise by the former chemical industry ministry, national construction ministry and general petrol chemical company member unit China Water Supply Association and power Equipment Network Union, and joints production unit recommended by China Water Association and National Metallurgy Ministry.


  • Henan Liwei Industry   Co., Ltd.

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

    Tel:+86-0371-67447999     Fax:+86-0371-67447888

    Contact:Maria Wei            Skype:liweimaria      Mobile:15838089745  

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






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