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Material description:

Bellows body: in order to prolong the service life, all of them are made of stainless steel 304 normal materials, and support the detection of various spectrometers. One false is compensated for ten, and the thickness is all thicker than that of the same industry standard.

Connecting flanges: all flanges are made of Shanxi authentic forged materials, which are good in strength and tightness. Do not compare them with cast steel, steel plate and steel flanges on the market. There is no comparability.

Welding materials: all welding materials shall be higher than the grade standard of base metal to make the welding point more firm.

Limit ear plate: all ear plates are produced by increasing the thickened size. Each model can be compared one-to-one with the same model in the same industry, which is the so-called no harm without comparison.

Limit screw: all screws are made of grade 8.8 high-strength galvanized to ensure 100% of the comprehensive strength of the product. It is meaningless to compare with grade 4.8 in the market.

Production standard: Songjiang group has passed the TUV certification of Rhine, Germany, and is produced in strict accordance with the production requirements of pressure pipeline, so that each DN65 fire pump corrugated expansion joint product can reach 100% qualification.

DN65 fire pump bellows expansion joint is made of austenitic stainless steel or materials required by users, with excellent flexibility, corrosion resistance, high temperature resistance and high pressure resistance. It can be connected in any direction in the pipeline to compensate for temperature, absorb vibration, reduce noise, change the direction of medium transmission, eliminate mechanical displacement between pipelines or between pipelines and equipment, etc. DN65 fire pump bellows expansion joint has displacement The flexible joints of various pumps and valves that vibrate are particularly suitable.

The DN65 fire pump corrugated expansion joint belongs to a compensation element. The effective expansion deformation of the bellows of its working body is used to absorb the dimensional changes of pipelines, conduits and containers caused by thermal expansion and cold contraction, or to compensate the axial, transverse and angular displacement of pipelines, conduits and containers. It can also be used for noise reduction and vibration reduction.