Classification of rubber soft connections according to external shape

Rubber soft connection is also called rubber soft joint


Rubber soft connection is also called rubber soft joint, flexible rubber joint, flexible rubber joint, rubber shock absorber, etc. The product is mainly composed of inner and outer rubber layers, carcass layers and steel travellers, which are made of tubular rubber parts, which are formed by high temperature and high pressure vulcanization and then combined with metal flange loose sleeves. Widely used in pipeline systems such as fire protection, chemical industry, pump valves, etc., it plays the role of anti-seismic and noise reduction, and absorbs the displacement generated during the operation of the pipeline.

Rubber soft connection is a hollow rubber product used for flexible connection between metal pipes. Rubber soft connection is also called rubber tube soft joint, flexible rubber joint, rubber soft joint, flexible rubber joint, high pressure rubber joint, rubber shock absorber, etc. It is a pipe joint with high elasticity, high air tightness, medium resistance and weather resistance. This product takes advantage of rubber’s elasticity, high air tightness, medium resistance, weather resistance and radiation resistance, etc. After being compounded with polyester cord fabric with high strength and strong cold and heat stability, it is subjected to high pressure, High temperature mold vulcanization. Widely used in various piping systems.

Classified by external form:

Single sphere rubber joints, double sphere rubber joints, triple sphere rubber joints, concentric rubber joints with different diameters, eccentric rubber joints with different diameters, clamp rubber joints, 90° rubber elbows, etc.

Classified according to the medium used:

General (ordinary) rubber joints, high temperature resistant rubber joints, acid and alkali resistant rubber joints, wear-resistant rubber joints, special rubber joints for desulfurization, etc.

Classified by working pressure:

0.25Mpa, 0.6Mpa, 1.0Mpa, 1.6Mpa, 2.5Mpa, 4.0Mpa.


  1. It has high internal density, can withstand high pressure, and has good elastic deformation effect.
  2. Shock absorption, noise reduction, light product design, easy installation and maintenance.
  3. It can reduce the structure transmission noise when working, and has strong vibration absorption ability

【Scope of use】

Because of its good comprehensive performance, the rubber soft connection is especially suitable for the connection of pumps and valves, pipelines with large vibrations, and pipelines with frequent changes in cold and heat. Commonly used in seawater, fresh water, hot and cold water, drinking water, domestic sewage, crude oil, fuel oil, lubricating oil, refined oil, air, gas, steam and granular powder fields.

[The difference between rubber soft connection and metal soft connection]

What is the difference between rubber soft connection and metal soft connection? The two seem to be very similar, but their functions are very different.

Stainless steel metal hose, also known as metal hose, metal soft connection, stainless steel hose, has good flexibility, temperature resistance, pressure resistance and corrosion resistance, and is suitable for steam, water, oil and various industrial gases and medicines And other media delivery.

The rubber soft connection sphere is composed of a rubber tube composed of an inner rubber layer, a reinforced layer with multi-layer scraped nylon cord fabric, and an outer rubber layer. According to different media, the rubber materials used are also different, such as natural rubber, styrene-butadiene rubber, butyl rubber, nitrile rubber, EPDM rubber, neoprene rubber, silicone rubber, fluorine rubber and so on. Respectively have heat resistance, acid resistance, alkali resistance, corrosion resistance, wear resistance, oil resistance and other functions.

Metal flexible connections play an important role in the movement of the piping system, thermal expansion absorption, and vibration absorption.

The length and connection method of the metal soft connection can be customized according to user requirements.

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