forging coupling ,adjustable type .DN125

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Concrete Pump Coupling

Concrete Pump Coupling- snap coupling

1. We are a professional manufacturer of concrete pump couplings in China. Our products include delivery pipes, elbows, reducers, couplings, rubber hoses, cleaning balls and so on.

2. Our products are Top quality in china which can be used on SCHWING, PM, KYOKUTO, SANY, ZOOMLION and have been recognized by them.

3. OEM available from us.

1. Sermac Concrete Pump Pipe Snap Coupling
2. Size:DN 125,DN150, DN100 DN175
3. Brand:Sermac/PM/Schwing/Sany/Zoomlion...etc


2.size:from 2 to 6inch,DN125mm and  DN 150mm is the common size,other sizes like

DN80,DN100,DN175 are  upon to your request

forging coupling , 40CR

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Q:Pipe joint thread, said in 2 / 3 / 4 points, what does that mean, how to convert ah?,
External thread of 1/4, 1/2, 1/8 mark is a thread size code, in inches. Insiders usually used to call thread size, one inch 1/4 inch is equal to 8 points, 2 points, and so on is referred to as.G pipe thread (Guan), 55, 60 degrees is a functional division, commonly known as the tube. The thread is machined from a cylindrical surface.
Q:Auto air conditioning condenser and high pressure pipe joint leakage, can use sealant?
Glue can not be blocked, mechanical strength is not enough, the use of leakage will occur during the process
Q:PE pipe joint and PPR joint can be with each other
So these two materials can not only connect through the interconnected adapter, such as thread or flange.I hope I can help my friends,
Q:Inside and outside the threaded joint, one end of the internal thread (G),
G is the British characteristic of non hermetic cylindrical thread.The thread tagging you can refer to "metric, American and English standard thread Standard Handbook (Third Edition)".
Q:Screw in pipe joint Dg10 what do you mean?
For example: the nominal diameter of 100MM seamless steel pipe 102*5, 108*5 several, 108 for the outer diameter of pipes, 5 said that the wall thickness of the tube, therefore, the pipe diameter (108-5-5 = 98MM), but it is not completely equal to two times the wall thickness of the pipe diameter difference, it can be said that the public said the diameter is close to the diameter, but not equal to the diameter of a pipe diameter specifications on the design drawings, so we use the nominal diameter, the purpose is to determine according to the nominal diameter pipe, flange, gasket structure dimensions and connection dimensions, nominal diameter is represented by the symbol DN, if the diameter of in the design drawings, piping specifications should also make the table, show that the nominal diameter of a pipe wall thickness.
Q:What material does the hydraulic pipe joint use? Carbon steel or cast iron?
The main hydraulic joints are mainly low carbon steel. By forging blank and machining, the difference between cast iron and carbon steel joint is that the pressure is different.
Q:What is the reason that the rubber hose of the fire hose is flowing black oil?
Fire hose fittings, rubber ring, good or bad judgement:1, the rubber ring from the work of the media to start, if the media selection is not good, but also increase the rubber ring corrosion, speed up the rubber ring damage. 2, from the seal itself quality, carefully check the appearance, and then measure the size, in general, the quality of the rubber ring life span on the president.
Q:How do I distinguish the rigid clamp joint and the flexible clamp joint from the outward appearance?
The weight is different, the flexibility is heavier than the rigidity.Strengthen the side rib is not the same, flexibility is 3, rigid 2 road.Use difference: flexibility is mainly used in the pipe has a certain angle of bend. Good performance in earthquake resistance and other aspects.
Q:Standard for fabrication of jacket type pipe couplings for card sleeve couplings
6 flared flared joint (GB/T 5630-2008)7 、 flared type adjustable end bend pipe joint (GB/T 5631-2008)8 、 flared type combined bend pipe joint (GB/T 5632-2008)9 、 flaring type adjustable end to end three way pipe joint (GB/T 5633-2008)10 、 flared type combined bend three way pipe joint (GB/T 5634-2008)
Q:What are the sealing ways of pipe joints? Thank you
PTFE raw tape. Sealant。 If it is steel and copper inside and outside the thread, as long as the tightening, what sealing material can be used.

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