Alloy Steel Pipe Fittings Butt-Welding Concentric Reducers

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Product Description:

Steel Pipe Fittings Butt-Welding Concentric reducers

Features standards and products of our Butt-Welding Concentric reducers:

Features of Butt-Welding Concentric reducers:

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 Concentric reducers:

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 of Butt-Welding Concentric reducers:

Alloy Steel Pipe Fittings Butt-Welding Concentric Reducers

 

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

Butt-Welding Concentric reducers:


Alloy Steel Pipe Fittings Butt-Welding Concentric Reducers

Alloy Steel Pipe Fittings Butt-Welding Concentric Reducers





Packing of Butt-Welding Concentric reducers:

Alloy Steel Pipe Fittings Butt-Welding Concentric Reducers

FAQ of Butt-Welding Concentric reducers:

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?,
2 points =2/8, that is, 1/4 inches, and the others are divided by 81 inches =25.4 mmIf it means the thickness of the pipe, it is the British tube of 1/4Indicates that the thread size is the thread of G 1/4
Q:What is the difference between a D-LD2000 clamp type flexible pipe joint and a KRJ clamp flexible pipe joint?
Four, flexible pipe joint internal structure and KRJ internal structure is slightly different, flexible pipe joint no retreat or small platform, and the latter is large return platformFive, flexible pipe joints, standard clamp type flexible pipe joints, disassembly can be worn down, shoulder type flexible pipe joints can not be.Note: some units in the market now confuse the two products with the aim of selling high priced products at lower prices so that they can make more profit margins. To ask for the data parameters of the drawing, to judge whether it is a flexible pipe joint or a flexible pipe joint.
Q:Press the hydraulic pipe fittings standard need to do what procedures
Be sure to grasp the reasonable degree of withholding, with joint core hole shrinkage degree as the standard, GB joints under compression compression joints under ordinary small 0.1~0.4mm, small 0.1~2mm. Because the hose and the joint coat of different manufacturers, such as the GB standard for most northern rubber hose production plant, 602 standard for the south, foreign SAE standard, the factory hose, joint specific size, material may not be the same, so the buckling parameter table data for reference only, the specific size should be withheld according to the experimental pressure.
Q:Will that be all right? Then there's the PPR pipe joint on the right. Is that ok?
If you don't feel comfortable, you can ask the master to change it for a whole 2 meter tube.
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:What are the types of tubing and pipe couplings applicable to each occasion?
Pipe joint is detachable between the tubing and tubing, tubing and hydraulic components of the connection, it should satisfy the convenient assembly and disassembly, reliable connection, reliable sealing, small size, large capacity oil, small pressure loss, good processing etc..
Q:110 degree PVC pipe joint
Hello, you can use PVC two to a 45 degree elbow three back, try on the line, 35 meters of pipe according to the 1% grade to install, depends on the specific circumstances if the flow rate is larger and with construction conditions if the proposed slope is a little bigger. (personally) I don't think it's necessary to install it with stainless steel pipe
Q:Infusion, infusion tube joints fall off and immediately connected, lost three or four minutes will have an impact?
When the top is infusion containing liquid medicine bottle, connected through the infusion tube, the lower end is connected with the infusion tube in the infusion needle, when the first row of clean air inside the transfusion tube, then based on skin disinfection on infusion. Sometimes, because of the loose joint of the infusion tube, it will fall off. As long as there is no part of the air in the infusion tube, it can be connected with the air.
Q:Drawing design, drain cross dry pipe is flexible cast iron pipe, vertical pipe is PVC pipe joint
Yes, there is one more question. How does the cast iron connect with the PVC? It doesn't leak. It's also a problem.The impact force does not matter, PVC three all have it should have a radian cushioning effect, can also be used in spiral PVC tube ah, although it is quiet, but also can ease the impact. I think it's hard to interface cast iron with PVC.
Q:Hydraulic hose connector size 20As shown in Figure six, the angle is 71mm to the edge, 80mm to the diagonal, approximately 34mm higher
Two. Metric general threads1. metric screw thread with a capital M, tooth type angle 2 degrees =60 (alpha tooth type half angle);2. metric ordinary thread by pitch, coarse teeth, ordinary thread and fine teeth, two kinds of ordinary thread;2.1. coarse tooth ordinary thread mark generally does not indicate the pitch, such as M20 means coarse thread; fine tooth thread mark must indicate the pitch, such as M30 * 1.5 for fine tooth thread, in which pitch is 1.5.2.2. common thread is used for the connection and fastening between the mechanical parts, and the general thread connection is mainly made of coarse thread. The thread strength of the fine tooth thread is slightly higher than that of the same nominal diameter, and the self-locking performance is better.Mark 3. metric screw thread: M20-6H, M20 * 1.5LH-6g-40, where M represents a common thread metric, 20 nominal diameter thread is 20mm, 1.5 pitch, LH said, 6G 6H left, said thread precision grade, precision grade of internal thread uppercase, lowercase precision grade of said external thread, 40 screwing length.

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