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11

2023

Tee processing technology

1. Hydraulic bulging The hydraulic bulging of the tee is a forming process that uses a specialized hydraulic press to expand the branch pipe through axial compensation of the metal material. 2. Hot pressing forming The entire process is formed through the radial compression of the damaged pipe and the stretching process of the branch pipe. So it is also known as radial compensation process

11

2023

Selection and purchase of tee fittings

1. Firstly, determine whether the controlled medium is oil or water 2. Calculate the flow rate of the controlled medium in m3/h. 3. Select the diameter of the three-way temperature regulating valve based on the controlled medium and its designed flow rate 4. Determine the model of the three-way regulating valve based on the valve body material, connection form, valve structure type, temperature regulation range, and installation type. 5. According to the different flow directions of the three valve ports, the three-way regulating valve can be used for confluence or diversion control situations 6. The difference between a combined three-way temperature regulating valve and a split three-way temperature regulating valve is to choose a suitable temperature regulating valve according to needs 7. A three way temperature regulating valve can replace a two way valve and a three way connecting pipe 8. There are six installation types of rotary valve type three-way temperature regulating valves, which are suitable for connection in any pipe direction. The installation type is selected based on the actual pipeline connection of the system. 9. The three-way temperature regulating valve can be installed in any position, but the emergency manual device surface should be installed in a convenient position for operation. 10. To prevent impurities in the medium from getting stuck or blocked, a filter should be installed in front of the three-way temperature regulating valve.

11

2023

Tee connection method

1. Broken pipe According to the on-site surveying and mapping sketch, connect the selected pipes to the national line and cut them according to the line 2. Threading Thread the broken pipe in stages according to the pipe diameter size. Generally, threading should be done twice for pipes with a diameter of 15-32mm, three times for pipes with a diameter of 40-50mm, and 3-4 times for pipes with a diameter of 70mm or more 3. Fitting fittings According to the on-site surveying sketch, assemble the threaded pipes and fittings. 4. Pipe section straightening Straighten the installed pipe section before installation. It is not allowed to damage the pipe section during straightening.

11

2023

What are the commonly used pipe fittings

Welded pipe fittings: Pipe fittings connected to pipes by welding, including elbows, flanges, tees, reducers, heads, etc Threaded pipe fittings: They are threaded pipe fittings commonly used for water and gas pipes, small diameter water pipes, compressed air pipes, and low-pressure steam pipes. Ferrule fitting: It is a new type of fast pipe fitting with good sealing performance and can be reused. It is suitable for pipeline systems with oil, gas, and general corrosive media. Clamp pipe fittings: used for tightening the connection between quick couplings, including clamps, quick fittings, silicone sealing washers, chuck blind plates, etc. Pipe fittings: A high-pressure pipeline connection accessory formed by forging and forging round steel or steel molds, and machined by a lathe. Curved double fusion pipe fittings: pipe fittings with ports of the same size as the pipe to be connected, which are connected through hot melt butt welding. Adhesive pipe fittings: Pipe fittings that are connected using solvent based adhesives, such as PVC plastic pipes. Rubber ring connected pipe fittings: composed of the main body of the pipe fittings, sealing end caps, and sealing rubber rings.

11

2023

Common dimensions of threaded pipe fittings

1. Single head threaded nipple: nominal diameter DN 8/10/15/20/25/32/40/50 NPS 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2, 2. Outer diameter D13.5.17.2, 21.3, 26.7, 33.4, 42.2, 48.3, 60.3. L is 60, 90, 120, 150, 180 2. Flat head outer thread (short pipe): nominal diameter DN 8/10/15/20/25/32/40/50, NPS1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.12, 2. The outer diameters of D13.5, 17.2, 21.3, 26.7, 33.4, 42.2, 48.3, and 60.3 L are 60, 90, 120, 150, and 180. 3. Double threaded nipple: nominal diameter DN 8/10/15/20/25/32/40/50 NPS 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2, 2. Outer diameter D13.5 17.2, 21.3, 26.7, 33.4, 42.2, 48.3, 60.3. L is 60, 90, 120, 150, 180. 4. Hexagonal head pipe plug: nominal diameter DN 6/8/10/15/20/25/32/40/50/65/80/100 NPS 1/8, 1/4, 3/8, 1/2, 3/4, 1, 1.1/4, 1.1/2 2. 2.1/2,3,4. Thread length L2min9.5, 11.0, 12.5, 14.5, 16.0, 19.0, 20.5, 20.5, 22.0, 27.0, 28.5, 32.0. 5. Square head pipe plug: Square head height B min6, 6, 8, 10, 11, 13, 14, 16, 17, 19, 21, 25. Plane width C min7.0, 9.5, 11.0 14.5, 16.0, 20.5, 24.5, 28.533.5, 38.0, 43.0, 63.5. 6. Round head pipe stockade: Round head diameter D10, 13, 17, 21.27.33, 43, 48, 60, 73, 89, 114, total length Lmin35.41 41.44.44 51, 51, 51, 64, 70, 70, 76. 7. Hexagonal head pipe plug and joint: flat width S11.0, 16.0, 17.5, 22.0, 27.0, 35.0, 44.5, 51.0, 63.5, 76.0, 89.0, 117.5. Hexagonal height Kmin -, 3, 4, 5, 6, 7, 8, 9, 10, 10, 13Hmin6, 6, 8, 9, 10, 10, 14, 16, 17, 19, 21, 25

12

2020

Large Coffee Producer Benefits from Slide Gate Valve

A large coffee capsule production plant needed replacing of its valves for silos that could provide better gas-tight seals.

12

2020

On average, 85% of stainless steels are recycled once they reach their end of life.

New study shows life cycle of stainless steels

09

2020

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