• Ball Valve fully welded body with top entry design System 1
  • Ball Valve fully welded body with top entry design System 2
Ball Valve fully welded body with top entry design

Ball Valve fully welded body with top entry design

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Loading Port:
Shanghai
Payment Terms:
TT OR LC
Min Order Qty:
1000 set
Supply Capability:
5000 set/month

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Ball Valve fully welded body with top entry design


Specifications

Ball valve
Side Entry Design, Top Entry Design.
Bolted Body Or Fully Welded Body.
Full Bore Or Reduced Bore
 

Size: 2"- 48", DN 50-1200mm
Pressure: 150 -2500LB, PN 10-400
Material: Carbon steel, Duplex /Stainless Steel, Special Alloy.

 

 Ball Valve     

 

Design Feature:             

  • Side Entry Design, Top Entry Design.  

  • Bolted Body Or Fully Welded Body.   

  • Full Bore Or Reduced Bore.         

  • Flanged End Or Welding End.   

  • Double Block and Bleed.         

  • Locking Device.

  • Single Piston Effect, Double Piston Effect.

  • Automatic Internal Relief of Body Pressure.

  • Emergency Sealant Injection System.

  • Fire Safe Design. Antistatic Device.

  • Anti-Blowout Stem Design.

  • Body Vent Device.

  • Stem Extension for Underground Service.

 

 

 

Product Range:

  • Size: NPS 2”~ 48” , DN 50-1200

  • Pressure Rating: Class 150 -2500 LB , PN 10~400

  • Design standard : API 6D , EN13942

  • Face To Face Dimension :  API 6D , EN 558-1, EN 12982

  • Connecting Dimensions: ASME B16.5, ASME B16.47, ASME B 16.25, EN 1092-1, and EN 12627.

  • End Connection: Flange, BW.

  • Body Materials:  Carbon steel, Stainless Steel, Duplex Stainless Steel, Special Alloy.

  • Medium: Natural Gas, Oil, Steam. Water

 


Q:I've seen a lot of hot water projects. Why do most of them use globe valves, and ball valves are seldom used?.Globe valves have those benefits compared to ball valves (because the cut-off valve is more expensive, I think it is more expensive and more useful. It must have some advantages in that respect.)Is the stop valve more durable than the ball valve?What are the specific differences between the two PPR valves?
Yes, now the globe valve is more than the ball valve with more people, and its main or cut-off valve, a lot of adjustability, and most can be universal.Specific differences are as follows:Valve opening and closing parts are plug shaped valve, sealing surface flat or cone, fluid along the centerline of the valve for linear motion. Stem movement in the form of lifting rod (stem lifting, hand wheel not lifting), but also lifting, rotating rod type (hand wheel with the valve stem to rotate up and down, nut on the valve body). Valve is only applicable to fully open and fully closed, does not allow for adjustment and throttle.The cut-off valve is a forced seal type valve, so when the valve is closed, the valve must be applied to the pressure, to force the sealing surface is not leaking. When the medium into the valve six from the bottom of the valve, the operating force required to overcome the resistance, is the stem and the packing friction and pressure generated by the media thrust force than the valve off the valve opening force, so the diameter of the valve stem, otherwise it will bend the stem top of the fault. In recent years, the emergence of self sealing valve, globe valve replaced by medium flow on the top of the valve into the valve chamber, then in the medium under pressure, the valve off a small force, and force open the valve, stem diameter can be reduced accordingly. At the same time, in the role of media, this form of valve is also more stringent. China's valve "three to" has stipulated that the flow direction of the cut-off valve should be top-down.
Q:Please professional help guide: accidental discovery of connection pipe and valve (mark position diagram) can rotate, but there is no problem with the 10 Water Leakage.Please professional help guide: accidental discovery of connection pipe and valve (mark position diagram) can rotate, but there is no Water Leakage problem, while the valve under the same position is fixed and can not rotate, will this situation is normal? Is it possible to leak water in the future?
This situation is not normal, the reason is not between the upper PVC pipe and tighten the valve, now has been unable to tighten, in order to avoid the emergence Water Leakage situation, you can use a silicone rubber sealing between the valve and the pipe to be dry silica gel between the pipe and valve after no loosening of the situation.
Q:Would you please tell me why the spring is placed in the valve seat? What's the function?
To put the spring ball valve must be big ball valve! Or fixed ball valve?! Fixed ball valves, as the name suggests, the ball of the valve is fixed, not right and left swing! Therefore, the valve seat should be added to both sides of the spring, the seal pushed to the valve core to seal up! The spring can also reduce the impact force of the material of the valve Wenzhou Songjiang pipe valve Co., Ltd. specializing in the production of stainless steel ball valve! Songjiang brand valve! Globe valve! Gate valve! Check valve! High temperature ball valve! Electric ball valve! pneumatic valve
Q:The difference between ball valve Q341F and Q347F
Ball valves Q341F and Q347F are turbine driven soft sealing flange ball valve, Q341F is a fixed ball valve, Q347F is a floating ball valve
Q:Is the two piece ball valve in the direction of the pressure pipe?
Compression capacity is not as good as two, but better than the three chip. A ball valve has the advantages of low cost, low price; the two valve is the three products in the most excellent in resistance and flow, the valve inside is preferred; features three ball valve design structure is easy to install, because the three ball valve can be installed by dismantling during installation, so in different pipeline even some other connections are completely no problem, fast loading, thread, flange, welding and so on, so the market is the most complete connection number of ball valve, especially when welding, a chip ball valve and the two valve can not be opened due to installation, want to welding in the pipeline it would be easy to the inside of the PTFE (similar to plastic) in a burnt out, the best choice at this time is three piece ball valve. But the disadvantage of three piece ball valve is the poor compression ability.
Q:Copper ball Q11F-20T is what mean?
Q ball valve1 internal thread1 throughF PTFE soft seal20=20PA=2.0mpa pressureT copper material
Q:The difference between gate valve, ball valve and butterfly valve
Gate valve: there is a flat plate in the valve body which is perpendicular to the direction of the medium flow, and the plate is lifted and closed.Features: good tightness, fluid resistance small, open and close force is small, widely used, also have to regulate the flow performance, generally applicable to the large diameter of the road.Ball valve: the use of a hole in the middle opening of the ball as the spool, by rotating the ball to control the opening and closing of the hair.Features: the structure is simpler than the gate valve, small size, low fluid resistance, and can replace the role of gate valve.Butterfly valve: closure is a disk-shaped, around a fixed axis rotation of the valve body.The utility model has the advantages of simple structure, small size and light weight, and is suitable for making larger diameter valves. As the sealing structure and materials are still problems, it is only used for low pressure, for the transport of water, air, gas and other media!Own code words, hope to adopt!
Q:What does "ball valve" Q41F-10P mean?
Q valve (Qiu represents the first letter of the alphabet), 4 representative flange, second representative is 1 ball valve floating ball (ball valve floating ball and fixed ball, 7 ball, F fixed on behalf of) on behalf of PTFE- PTFE seal (PTFE PTFE), representing 10 of the nominal pressure valve is 10 kg (1.0Mpa), P represents the valve body material is 304 stainless steel.Soft sealing stainless steel flanged ball valve
Q:What are the differences between the pneumatic ball valve and the pneumatic angle seat valve?
Characteristics of pneumatic ball valve:1. Rotate the spool to make the valve clear or closed.2 pneumatic valve switch light, small size,3. It can be made into big caliber,4 、 reliable sealing, simple structure, convenient maintenance,5, sealing surface and spherical surface often in closed state, it is not easy to be medium erosion.
Q:What brand of double live catch valve is good?
Different brands of PPR products can be connected, but in order to facilitate after-sales service, it is best to choose the same brand products.

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