Casing and Tubing Coupling with API 5CT Standard

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Tianjin
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TT OR LC
Min Order Qty:
500 PCS
Supply Capability:
100000 PCS/month

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Product Description:

1) Structure of Casing and Tubing Coupling Description


Casing and tubing coupling can be widely used in cold and hot water supply, heating supply, fire protection, medicinal gas, industrial petroleum pipeline system etc. 


It has already replaced welding fittings in most Europe countries, Asia countries, America, Australia and some other countries. 


2) Main Features of Casing and Tubing Coupling


The quality of our products are very good, customers are all very satisfied. We have professional service team and export experience for a lot of years, our products have exported to more than 200 countries in the world. Here you can take easy choosing your needed products. 


3) Casing and Tubing Coupling Images



4) Casing and Tubing Coupling Specification



5) FAQ

We have organized several common questions for our clients,may help you sincerely:

 

①How about your company?

One of the leading manufacturers and suppliers specializing in steel pipe products in China, mainly offering four series steel pipes including welded steel pipe (ERW, SSAW, LSAW and square and rectangle pipe), seamless steel pipe, hot dipped galvanized steel pipe and steel pipe with 3 layer polythene coating. We can provide customers different specification standards e.g. ASTM A53, ASTM A106, BS1387, API 5L, API 5CT, ISO3183 and etc. Our scope of supplying covers from 1/2" to 48"  for the outside diameter of welded pipes, and 1/8" to 20" for the seamless pipes. 


Other than steel pipes we are also capable of supplying a wide variety of pipeline accessories, steel pipe fittings; valves etc. consists of our one-stop sales. The integrated sales & service ensures customers with various demands an easier access for purchasing management.

②How to guarantee the quality of the products?

We have established the international advanced quality management system,every link from raw material to final product we have strict quality test;We resolutely put an end to unqualified products flowing into the market. At the same time, we will provide necessary follow-up service assurance.

③How long can we receive the product after purchase?

In the purchase of product within three working days, We will arrange the factory delivery as soon as possible.


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Q:What's the meaning of the pipe joint 14-M18*1.5? What's the thickness of the wall?
I found that even if the same manufacturer of a batch of goods, the cone of these joints on the depth of the hole is often different, resulting in a leak, and this problem is often neglected. The correct approach is to connect the end of the pipe with what kind of joint, and the corresponding connection ends are prefabricated with the same type of joint, so that the leakage problem can be avoided to the maximum extent. The ends of the pipe shall be flush. The pipe should be flush in sawing grinding wheel and other tools, and burr cleaning and blowing with high pressure air before use. When installing, the coaxiality of pipe and joint body should be kept as far as possible. If the pipe deflection is too large, it will cause sealing failure. If the pre loading force is unfavorable, the inner edge of the ambassador card sleeve is just inserted into the outer wall of the pipe, and the clamping sleeve should not be deformed obviously. When the pipeline connection, and then according to the specified tightening force assembly. Phi 6-1 card sleeve tightening force is 64-115n, 16 MMR 259n, Phi Phi 18mm for 450n. If the sleeve is badly deformed at pre assembly, it will lose its sealing effect.
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:I would like to ask who has 24 degrees taper hydraulic pipe joint processing drawings, please send me, thank you very much
To use their own drawings approved by the good deeds since then, almost no tiny bit. PM me when needed ~!
Q:How about the water pipe fittings and millimeters?20mm is 425mm is 6Why
Because, in the past, the workers who used these units were ordinary workers, so that they were easy to operate, and finally became 4 points, 6 points, and so on. In other words, it was also the wisdom of labour
Q:1/8 the trachea needs an outside diameter of the trachea
The size of the pipe connection is not very large, or is not necessarily the size of the trachea,
Q:Is the thread at the two ends of the card sleeve the same?
Sleeve type pipe joint sealing pipe joint is applicable to oil, water, gas and other non corrosive or corrosive medium, with plastic pipe specifications are flexible, and pipeline connection, has the characteristics of reliable connection, good sealing performance, so it is widely used in oil refining, chemical industry, light industry, textile, defense, metallurgy, aviation, shipbuilding and other systems; also suitable for hydraulic transmission of various mechanical engineering, machine tools and other equipment pipeline.
Q:What are the names of all types of hydraulic pipe couplings?
The hydraulic connector is generally divided into: sleeve type pipe joint, flared type tube fittings, welded pipe joints, extruded hose connectors, quick connectors and rotary joints. Each class can be subdivided into several categories, such as pipe joint of sleeve type can be subdivided into sleeve type straight pipe joint, sleeve type bending joint, sleeve type pipe connector, three connector, four pipe sleeve type pipe joint, the next card set hinge joints, sleeve type pressure gauge connector etc.. Specific you can also go to Tianjin pairuite website to see very accurate classification is very small.
Q:What is the nominal diameter of the phi 1/2 in the pipe joint?
1/4, 1/2, 1/8 is the nominal diameter of inch inch, inch in inches1/2 inches, usually read as "four thiophene"".
Q:The gas cooker joint is pagoda shaped. Can it fall down and connect with bellows joint directly?
The gas stove is now generally provides two kinds of interface for the user free choice, Green joint (the joint) can be connected with a rubber tube or stainless steel corrugated pipe gas stove (socket), Green joint is a movable connection, threaded interface is the 1/2 Green joint off, can be connected with stainless steel bellows tube (screw type stove).The only way to provide Green joint connections is small manufacturers of products.The water heater is also the joint of 1/2, but our usual method is to connect a gas with 1/2 live copper ball valve, and then connect the non fixed stainless steel bellows to the gas.Stainless steel bellows, pipe (thread), one end is 4 points (1/2) interface, and the other end is 3 points of the interface. 3 points, one end of the interface used to connect 4 and 3 points gas valve (one thread 4 points, the other end of thread 3 points).In order to avoid water and mix with water hose or ball valve with stainless steel bellows, gas 4, 3 points 4, 3 ball valve and gas stove pipe branch of stainless steel corrugated 3 points at one end of the thread and the water with the product of 3/8 thread is different, can not connect to each other.Stainless steel bellows, water products and gas products, testing items and standards are not the same, do not use water products instead of gas products, it is also not suitable for small manufacturers of incomplete production of gas products
Q:Requirements for fire hose fittings
4.3.3 thread connection(1) the galvanized steel pipe with inner diameter of less than DN100 and hot-dip galvanized seamless steel pipe both inside and outside wall can be threaded. When using internal and external wall of hot galvanized steel pipe, the pipe can be used malleable iron threaded fittings (GB3287-3289); when the system adopts internal and external wall of hot galvanized seamless steel pipe, the pipe can be used forged steel threaded pipe fittings (GB/T14626).(2) steel tube wall thickness is smaller than DN50 shall not use thread movable joint, and single variable diameter joint shall be adopted at reducing diameter of pipe.4.3.4 welding or flanged joint(1) according to the flange type connection form can be divided into: flange, welded flange and threaded flange etc.. Flange selection must comply with steel pipe flange (GB9112-9131), steel welded seamless pipe (GB/T12459), pipe flange with Teflon coated gasket (GB/T13404) standard.(2) if hot-dip galvanized steel pipe adopts flange connection, threaded flange shall be used. The system pipe adopts the inner wall without corrosion, and the pipeline can be welded and connected. Piping welding shall be in accordance with the specification for construction and acceptance of welding equipment for field equipment and industrial piping (GB5036).

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