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Directly buried type welded ball valves

Directly buried type welded ball valves

All welded ball valves are widely used in city gas,urban heating,petrochemical,shipbuilding,steel,pressure regulating stations,power plants and other types of pipeline equipment.

  • Item NO.:

    XU134
  • Lead Time:

    40Days
  • Product Orgin:

    CHINA
  • Brand:

    XUVAL
  • Shipping Port:

    Shanghai
  • Payment:

    100%TT
  • Color:

    Yellow
  • MOQ:

    50
Products Details

Welded ball valve material:

1 : Body: carbon steel ST37.0, A106-B;20 # steel

2 : sphere: stainless steel 304 or 316

3 : Stem: 2Cr13

4 : valve stem seal: perfluorine like glue

5 : Ball seal: RTFE (PTFE+C)

Standard features for all welded ball valves:

1 : Diameter: DN15 ~1000

2 : Pressure: Pn 16 ~ 40

3 : Working temperature: -29℃ ~ +200℃

4 : gas pipeline welding ball valve suitable for the medium: oil/gasoline, liquefied natural gas/liquefied petroleum gas, petrochemical, iron and steel plant, heating pipeline, etc

5 : gas pipeline welding ball valve operation mode: handle, gear (vertical/horizontal), electric, turbine.

welded ball valve applications:

1 : Urban gas: gas output pipeline, main line and branch supply pipeline, etc.
2 : Central heating: output pipelines, main lines and branches of large heating equipment.
3 : heat exchanger: opening and closing of pipelines and loops.
4 : steel plant: all kinds of fluid pipeline, exhaust gas discharge pipeline, gas and heat supply pipeline, fuel supply pipeline.
5 : all kinds of industrial equipment, all kinds of heat treatment pipes, all kinds of industrial gas and heat pipes. 

Welded ball valve performance:

1 : No need for maintenance, adjustment and lubrication, easy installation, long-term reliable operation at low operating costs.The surface is sprayed with plastic treatment technology, and the luster is beautiful, which has been in the leading level in China.There will be no external leakage and other phenomena.The body is welded construction, so the valve is light weight and easy to insulate.It is very simple to install the adjusting mechanism, and the operating handle can be removed and reversed for installation. 

2 : Because the valve seat is made of carbon fiber reinforced Teflon seal ring and disc spring, so the pressure and temperature change adaptability is strong, in the marked pressure and temperature range will not produce any leakage. 

3 : The machining process of the sphere is tracked and detected by advanced computer detector, so the machining precision of the sphere is high.

4 : Because the valve body material is the same as the pipeline material, there will be no uneven stress, and it will not be deformed due to earthquakes and vehicles passing through the ground, and the pipeline is aging resistant.

5 : integral full welding, equal diameter and variable diameter channel, using fixed ball and floating ball, double piston effect sealing system, automatic injection of sealant bearing.

6 : In order to prevent static electricity, steel ball and spring are installed between the valve stem and the ball and the valve stem and the packing box respectively, which can keep all parts of the valve and the valve body conductive, let the current pass through the area, release static electricity.Not only prevent fire, and prevent corrosion, to achieve temporary cut off, in order to timely maintenance. 

7 : the stem anti-detachment function is because the stem is affected by the pressure in the valve, always produces the force of detachment, so the stem is designed into anti-detachment structure.

8 : The pressure is pushed to the stem with the thrust washer support of low friction material, so that the stem only plays the role of transferring torque. 


Scope of application Natural gas pipeline,city gas.
Applicable medium Natural gas,gas,gas and other fluids that do not chemically react with carbon steel.
Temperature range -29℃~200℃
Testing standard API 598

Main dimensions
DN
NPS
A
D
D1
D2
L
GB EN
50 2 300 40 57 60.3 89 1000
65 2 1/2 300
50 76 76.1 114 1000
80 3 300
65 89 88.9 140 1000
100 4 340 80 108 114.3 165 1000
125 5 400 100 133 141.3 216 1000
150 6 400
125 159 168.3 219 1000
200 8 400
150 219 219.1 267 1000
250 10 400
200 273 273.1 355 1000
300 12 500 250 325 323.9 457 1100
350 14 500
300 377 355.6 508 1250
400 16 500
337 426 406.4 558 1360
450 18 500
337 477 457.2 558 1440
500 20 600 387 530 508 660 1510
550 - 600
438 - - 718 1690
600 24 650 489 630 609.6 812 1660
650 - 650
540 - 660.6 898 1840
700 28 700 591 730 711.2 1016 1940
750 - 700 635 - 738 1020 2000
800 32 800 686 830 812.8 1095 2120
850 - 800 737 - 863.6 1172 2220
900 36 800 781 930 914.4 1245 2400
Main dimensions
DN NPS A L D
50 2 300 1000 110
65 2 1/2 300 1000 138
80 3 300 1000 165
100 4 300 1000 165
150(H) 6 400 1000 200
150(G) 6 400 1000 300
200 8 400 1000 380
250 10 400 1000 450
300 12 500 1200 550
400 16 500 1480 670
500 20 600 1765 800
600 24 650 1800 970
650 - 650 1850 1050
700 28 700 1950 1090
750 - 750 2000 1180
800 32 800 2150 1245
850 - 850 2200 1360
900 36 900 2400 1420
Packing & Delivery : 

Packing Details : all by seaworthy plywood case and packed strongly by packing belt as below

Delivery Details : Generally it is 5-10 days if the goods are in stock. or 15-30 days if the goods are OEM or not enough subject to the order quantity. But anyway, normally, we are able to make sure the delivery will not exceed 45 days.





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    If you are interested in our valves and want to know more details,please leave a message here,we will reply you as soon as we can.