Steel Pipe Fittings Butt-Welding 180° Long Radius Return 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:

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

 

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

180° Long radius bends:

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

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

Packing of butt welding fittings:

Steel Pipe Fittings Butt-Welding 180° Long Radius Return 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:Pipe joint thread, said in 2 / 3 / 4 points, what does that mean, how to convert ah?,
This appellation is the traditional British appellation, which is also used in the machinery industry for addressing the diameter of bolts4 in charge of diameter is 15mm (Dn15)6 points 20mm (Dn20)The pipe diameter is not 2 points, 3 pointsThe 25mm diameter pipe is called 1 inch tubeDn32mm inch tubeDn50mm 2 inch tubeDn75mm 3 inch tubeDn100 4 inches
Q:Maintenance skills of fire hose clamp joint leakage
A fuse is generally used when Water Leakage threaded connection, trench connection pipe to check whether the sealing surface is flat and smooth, without burr. Whether the sealing surface of the sealing ring is scratched and whether the length of the sealing section meets the requirement. These are three guarantees. They won't leak.
Q:What are the connecting forms of industrial pipe joints? Like buckling type connection,
Working pressure of quick joint: 1.6Mpa. Temperature: -54 ~ 180 C. Working medium: gasoline, kerosene, heavy oil, hydraulic oil, fuel oil, frozen oil, water, salt, acid and alkaline liquid, high pressure gas etc.. Material: stainless steel, copper, Aluminum Alloy. Sealing material: NBR rubber, polyurethane, silicone.
Q:What is the difference between the PVC joint and the PVC pipe joint?
Two, plastic pipe type 1, PVC (PVC-U) plastic wire pipe (hard tube), 2 and PE threading pipe (winding hose) 3, plastic bellows (flame retardant bellows, wire harness casing, high density bellows, high temperature protective casing, etc.)Three. Ceramic tube 1, threading porcelain bushing 2, glass fiber woven insulating sleeve
Q:What are the types of hydraulic couplings?
Is a flat +O ring, C - like Japan, spherical ring - free, H - like Germany, 24 degrees cone +O - shaped ring.Each has hundreds of models, depending on the manuals and samples.
Q:The expansion type pipe joint and the sleeve type pipe joint difference, everybody looks at the picture, this is belongs to that kind of?
This is the lock type pipe joint.The other two are not easy to describe.The sleeve type pipe joint is replaced quickly, but it is not as reliable as the locking joint of the lock type pipe joint.
Q:How to identify the pipe joint thread quickly and accurately?
. The premise is to have certain practical experience. The specification of the unknown pipe joint thread can be determined according to the known male and female pipe joint specifications.4 check drawings, assembly drawings and production drawings to determine unknown pipe joint thread specifications.
Q:What are the names of all types of hydraulic pipe couplings?
Hose connector is generally crimping connector and in-line connectors and connecting screw joints etc..According to the British general thread joint, metric joint, joint us and so onQuick junction classification and name, you can query on the internet..
Q:What is the liquid used in the fire hose joint?
There are many threaded joints for fire hose fittings, such as liquid raw material tape, pipe interface glue and thread sealant
Q:What are the standard drawing numbers for hydraulic couplings?
Jacket type pipe joint installation(1) in accordance with the requirements of the ninth chapter, the pickling pipe should be washed first;(2) tube machine tools for cutting pipe sawing or special cutting length required, absolutely not allowed by fusing (such as flame cutting) or grinding wheel cutting; remove pipe end burr, cylindrical metal chips and dirt; remove the rust and dirt pipe joint; and also to ensure pipe roundness;(3) the sleeve nut, successively sheathed in the pipe sleeve front edge (small end) from the pipe mouth at least 3mm, then the pipe is inserted into the connector body bore, until the top;(4) tighten the nut slowly, and turn the pipe at the same time until it does not move. Then tighten the nut 2/3 ~ 4/3 ring;(5) open the check that the sleeve has been cut into the pipe and the position is correct. The sleeve doesn't allow axial movement, but it can be rotated slightly;

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