Alloy Steel Pipe Fittings Butt-Welding 180° Long Radius Bends

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Product Description:

Features standards and products of our butt welding fittings:

Features of butt welding fittings:

1.       High class materials

Our products only use high class raw materials of carbon/alloy steel pipes made from NKK or MANNESSMANN equipment for ordinary, high pressure, low/high temperature,boiler and other purposes.

2.       Uniform wall thickness and perfectly round

This can be achieved by our particular technical knowhow and our quality control program.

3.       Accurate dimension

Efficient piping work can be made only with fittings of correct dimensions and shapes. Our fittings are finished to have accurate straight/ plane ends, beveled angle...etc. to applicable standards by means of two or three spindle beveling machines.

Standards of butt welding fittings:

Our welding fittings are manufactured in compliance with the following appliance standards:

ASME B16.9   ASTM A234   MSS-SP43   WPHY60   JIS B2311   DIN2605

                      ASTM A403   MSS-SP75   WPHY65   JIS B2312   DIN2606

                      ASTM A420   WPHY42    WPHY70   JIS B2313   DIN2616

                      ASTM A860   WPHY52                                       DIN2615

Manufacturing method and process:

Alloy Steel Pipe Fittings Butt-Welding 180° Long Radius Bends

 

BUTT-WELD FITTINGS   ASME B16.9/MSS SP-75

180° Long radius bends:

Alloy Steel Pipe Fittings Butt-Welding 180° Long Radius Bends

Alloy Steel Pipe Fittings Butt-Welding 180° Long Radius Bends

Packing of butt welding fittings:

Alloy Steel Pipe Fittings Butt-Welding 180° Long Radius Bends

FAQ of butt-welding fittings:

1) Q: What’s your main product? Which kinds of products are more competitive in your product range?

     A: Our main products are steel flanges, pipe fittings and steel pipes.

     Competitive Items: flanges in stainless steel, carbon steel, alloy steel  and punching carbon steel

     Butt welded pipe fittings in stainless and carbon steel

2) Q: what’s your largest size of flange and fitting? How long is the  production cycle?
      A: The largest flange we could produce is 80’’ and the largest fitting is 50’’.

      In general, we spend 20-25 days in a 20-ton order. If necessary, we  could make it shorter.

3) Q: Could you produce according to the drawings?

     A: Sure. We could produce according to the provided drawings, which  include forged and casted items.

4) Q: What kind of certificates do you have?

     A: We have ISO, TUV, API,SGS,BV etc. fittings in stainless and carbon stee

     Malleable Iron ,Stainless and carbon steel pipes


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Q:Re series 24 degrees cone O ring seal pipe joint joint, corresponding to the national standard number is?
There are many kinds of pipe joints, and the commonly used pipe joints can be divided into two kinds: hard pipe joint and hose joint. If in accordance with the connection pipe joints and pipe points, hard tube joint with flared type, sleeve type and welding type three, hose connector is mainly buckling type hose connector.In hydraulic system, the connection way of pipe and pipe joint is different. The screw is used to connect screw thread. The taper thread is screwed on its own vertebral body and is sealed with polytetrafluoroethylene and other substances. It is mainly used in the hydraulic system of medium and low pressure. The sealing effect of fine thread is very good, is often used in high pressure system, but it requires the use of combination washer or O ring to end closed, sometimes used copper gaskets, it is suitable for the pipe connecting pipe wall is thick, the main part of a joint body, and take over nut. When in use, the joint body is embedded in the target, and the end face is sealed by using the gasket mentioned in the front; the rubber seal is used between the joint body and the connecting pipe, and sometimes the spherical sealing method is adopted.
Q:Auto air conditioning condenser and high pressure pipe joint leakage, can use sealant?
No, it must be treated fundamentally, welded pipe or change the sealing ring
Q:How was the pipe joint named?
Clip type pipe jointThe utility model has the advantages of advanced structure, good performance, light weight, small size and convenient operation, and is widely used in the hydraulic system. Working pressure up to 31.5MPa, requiring high dimensional accuracy of the pipe, cold drawn steel pipe is required. The card sleeve is also of high accuracy. Piping systems for oil, gas, and general corrosive media, tables 15~26, GB3733.1 to 3765-1983
Q:What's the hydraulic pipe joint material?
Chemical equipment piping usually walks a variety of corrosive fluids, the need for frequent use of solvent or water rinse. Therefore, the general chemical line must be stainless steel.While thinking about medium corrosion. We should consider the relation between pipe seal and medium. Ding Qing rubber is commonly used in hydraulic systems because it is miscible with ordinary hydraulic oils. Ding Qing rubber at a certain temperature, but also with the synthesis of acetaldehyde, sugar chemical liquid (HEPG) and the proposed plant in liquid and compatibility, nitrile rubber (NBR) is not suitable under high temperature and acidic medium, benzene or synthetic oil, then should use fluorine rubber (FKM), on the contrary, methane and refrigeration only with ammonia NBR (NBR) miscible, so most chemical stainless steel pipeline are rigid seal.
Q:What are the materials for fire hose fittings and connections? Can I use stainless steel 316?,
At present, the fire pipe has excellent resistance to chemical corrosion, fundamentally solve the problems of similar products surface rust, wall scaling in the long-term use, to avoid the occurrence of internal blockage effect phenomenon, thereby greatly improving the service life of the special fire tube.
Q:Hydraulic pipe quick coupling principle of hydraulic pipe joint
Quick change joint, one is with one-way valve, and the other is without one-way valve. The application with a one-way valve, a one-way valve end is connected with the gas source, when the check valve closes automatically when connected to a one-way valve open end of the thimble. Self locking is the use of steel balls embedded in the groove, while the "cone - cylinder" sleeve to lock the ball.Type, type, structure diagram, characteristic table and standard number of pipe joint, welded pipe joint is welded by pipe and pipe. The sealing surface of the O sealing ring is sealed between the joint body and the pipe. The utility model has the advantages of simple structure, easy fabrication, good tightness and low requirement for the dimension precision of the pipe. High welding quality, inconvenient assembly and disassembly. The working pressure can reach 31.5MPa and the working temperature is -25 to 80 degrees. It is suitable for the piping system with oil as the medium. Table 6~14The JB966 ~ 1003-1977 card sleeve pipe joint is jammed and clamped by the deformation of the clamping sleeve. The utility model has the advantages of advanced structure, good performance, light weight, small size and convenient operation, and is widely used in the hydraulic system. Working pressure up to 31.5MPa, requiring high dimensional accuracy of the pipe, cold drawn steel pipe is required. The card sleeve is also of high accuracy. Piping systems for oil, gas and general corrosive media 15~26
Q:What does flaring pipe joint mean?
Head with taper, 2 face taper rigid seal, generally have 60 degrees, 74 degrees, 24 degrees, 90 degrees these
Q:What do you mean by "s" in the standard of pipe joint?
In hydraulic couplings, the S denotes the heavy series, L denotes the light series, M denotes metric threads, and R stands for English threads
Q:Hot melt pipe joint leakage how to do?
2, dry leakage parts, with Wang Yu (waterproof cement) to buy. Less water, very thick situation, large surface paste in the water leakage position. This method is also used to remedy cast iron pipes.
Q:What is the function of the pipe joint?
This is a general term for connections that can be disassembled in a fluid path. It mainly includes welding type, clamping sleeve type and flaring type

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