Carbon 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:

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

 

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

180° Long radius bends:

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

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

Packing of butt welding fittings:

Carbon 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:What's the half pipe connection?
The main function is to connect the small main pipe to the big main pipe and reinforce it. The common branch pipe is smaller than DN50, will use half pipe joint, more than DN50, must choose the variable diameter three links to connect.
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:Puvc pipe joint leakage how to do?
Changing a new one is cheaper than maintaining it. If your part doesn't allow you to change it
Q:What are the specifications and models of metal hose couplings?
Mainly used for connecting metal hose and steel pipe, snap joint without installation on the steel pipe threading, the joint in the pipe end, a card that is solid, sleeve type joint has the characteristics of easy installation of the Songjiang group.
Q:Consult the problem of the pressure at the entrance and exit of the pipe joint
The oil outlet is 2MPa, too,The relation between the pressure at the outlet and what you call the inlet pressure is as follows:
Q:Hydraulic pipe quick coupling principle of hydraulic pipe joint
JB/T6381 ~ 6385-1992 burking hose connector has the advantages of convenient installation, but added a tightening process. After the hose is damaged, the joint coat can not be reused, and it is made up of a steel wire braided hose. The utility model can be connected with a welding pipe joint sealed with a O ring. Pipeline system suitable for oil, water and gas as medium. Medium temperature: Oil: -30 ~ 80 degrees Celsius; air, -30 ~ 50 degrees Celsius; water, 80 degrees below JB/ZQ4427 ~ 4428-1986, three valve type hose joint assembly, do not need to remove the rubber tube of the outer layer. A slightly different diameter of hose hose, hose on the joint coat of pre compression to compensate. Hose pre compression in 31% ~ 50% range to ensure no leakage under the pressure of work, will not pull glue, cover does not break. With the welded pipe joint, quick joint, sleeve type pipe joint used for oil, water and gas pipeline system for medium, working pressure, medium temperature by connecting hose limited JB/ZQ4429 ~ 4431-1986 quick change connector (both open and closed) tube apart and self sealing pipe. In the liquid will not be lost, so it is suitable for frequent disassembly occasions. The structure is complex, and the local resistance loss is greater. Suitable for oil and gas pipeline system for medium, the working pressure is lower than 31.5MPa, the medium temperature of -20 to 80 DEG JB/ZQ4434-1986 quick change connector (both ends open) for oil and gas pipeline system for medium, the working pressure of medium temperature according to connecting hose limited JB/ZQ4435-1986
Q:What are the specifications and models of hydraulic pipe fittings?
The connection forms of the pipe joint include thread, welding and clamping sleeve, and the shape of the pipe joint is straight through and elbow
Q:110 degree PVC pipe joint
PVC (full name Polyvinylchlorid) for polyvinyl chloride, in addition to other ingredients to enhance its heat resistance, toughness, ductility and so on. The top layer of this surface film is lacquer, the main component is polyvinyl chloride, and the bottom layer is coated with adhesive. It is a very popular, popular and widely used synthetic material in the world today. Its global usage ranks second in various synthetic materials. According to statistics, only in 1995 a year, PVC production in Europe, there are about five million tons, while its consumption is five million and three hundred thousand tons. In Germany, PVC production and consumption averaged one million and four hundred thousand tons.
Q:The pipe connections have different diameters. Reducing the diameter, what else?,
If there is no change in diameter: different diameter (that is, variable diameter) joints and the same diameter joints
Q:How tight is the gas pipe joint?
The gas pipe joint for plastic pipe and metal pipe joint connected with hose clamps, locking can achieve the sealing connection.

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