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PTFE Single Ball DN40 PN16 Flexible Rubber Joint Flange

Hebei Zexu Pipe Manufacturing Co., Ltd.
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Address: Yanshan County, Cangzhou City, Hebei Province

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Hebei Zexu Pipe Manufacturing Co., Ltd.

PTFE Single Ball DN40 PN16 Flexible Rubber Joint Flange

Country/Region china
City & Province cangzhou hebei
Categories Flanges
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Product Details

DN40-DN4000 High Elasticity Flexible Rubber Joint

 

Flexible rubber joints are also called shock absorbers, flexible joints, rubber flexible joints, pipe shock absorbers, etc. It can solve the port deviation, axial expansion and misalignment of various pipelines. It is generally used in civil construction water supply and drainage engineering, fire fighting pipeline network pump room unit pipeline acceptance, sewage treatment pipeline connection, high-pressure gas-liquid chemical medium transportation, petroleum, Ship etc. It is the most commonly used rubber joint for pipe fittings in the world today. It has the advantages of reducing pipeline noise, good sealing, light weight, convenient installation and maintenance, and long service life.

 

Craftsmanship


The vulcanization technology is used to transform the linear molecular structure of the plastic rubber into a three-dimensional network structure. The inner layer is glued, the middle layer is reinforced with SNT series nylon 66 ultra-high-strength industrial silk cord fabric, and the outer rubber layer is composited with rubber curved spheres by injection pressure vulcanization. It consists of cast iron and forged metal flanges.

 

Folding performance characteristics


1. Small size, light weight, good flexibility, easy installation and maintenance.

2. It can produce lateral, axial, and angular displacement during installation, and is not restricted by the non-through-core pipes and the non-parallel flanges.

3. It can reduce the transmission noise of the structure while working, and has a strong vibration absorption capacity.

 

Specification Table

Nominal diameter

Lengh

Number of bolts

Bolt diameter

mm

Bolt hole center

(Circle diametermm)

Axial displacement mm

Lateral displacement 

mm

Deflection angle

a1+a2

mminchelongationcompression
321.259541810069915
401.595418110610915
5021054181257101015
652.51154181457131115
8031354181608151215
100415081818010191315
125516581821012191315
150618082324012201415
200821082329516252215
25010230122335016252215
30012245122340016252215
35014255162346016252215
40016255162551516252215
45018255202556516252215
5002025520256206252215
6002426020307256252215
70028260243084016252215
80032260243495016252215
90036260283410506252215
1000402602834116018262415
1200482603241138018262415
1400563503634156020282615
1600643504034176025353010
1800723504441197025353010
2000804204848218025353010
2200885805248239025353010
2400966105648260025353010
26001046506054281025353010
28001126806454302025353010
30001206806854322025353010

1. Special requirements can be customized by letter and drawings. The flanges are in accordance with the "National General Water Supply and Drainage Standard Atlas", and the others are in accordance with HG/T2289-2000.

2. DN350-600(2) type working pressure is 1.6MPa, DN32-400(3) type working pressure is 2.5MPa.

3. The working pressure of DN700-DN1200 is 1.0MPa, the working pressure of DN1400 is 0.6MPa, the working pressure of DN1600-DN1800 is 0.4MPa, and the flange is selected according to 0.6MPa. The working pressure of DN2000 is 0.25MPa, and the flange is selected according to the pressure of 0.6MPa.

4. For high-level water supply products above DN200, the pipeline must have a fixed support or fixed bracket, otherwise the product should be equipped with an anti-pull device.

 

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