trunnion ball valve ; ball valve ; CLASS150--2500 ball valve
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
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Item specifice
Normal pressure or rating | Class 150-Class 2500,JIS I0K - 20K,PN 10 - PN 420 | |||
Normal diameter or bore | NPS 1/2-40,DN6-1000 | |||
Applicable temperature | -196℃-540℃ | |||
Operation type | Manual,worm gear,pneumatic,electric | |||
Standards and specification
| Design&manufacture
| API6D.API608.ASMEBI6.34,ISO5211,ANSI/AWWAC507,BFCI70-2.MSSSP-72,BS5351,B56364,NACE MR0175
| Connection ends
| ASMEBI6.5,ASMEB16.47.API 605,MSS SP-44,ISO 7005-1,JISB2238,BS12627,ASMEBI6.25,ASMEB16.11,BS 12760 |
Face to face dimension | ASMEB16.10,ISO 5752,BS 558, BS12982
| Testing &inspection | API598,API6D,API607,API6FA,BS6755.BS12569,MSS SP-82,MSS SP-6I |
Urgent grease injection device
According to customers requirement, the trunnion ball valves made by our company are provided with devices for urgent grease injection, which are on both the stem and seat for the trunnion ball valves of DN 150mm(NPS6), and in the body cavity for the valve of DN 125mm. When the O ring of stem or the body seat ring is damaged due to accident the medium leakage between body and stem can be prevented by injecting the sealing grease through the device
Double-block and bleed functions
In general, trunnion ball valve features the front ball sealing design structure. Each seat of the ball valve can separately cut off the medium at both inlet and outlet of the valve to realize double-block functions. When the ball valve is closed, body cavity and two of the body ends can be blocked with each other even if both the inlet and outlet are under pressure, when the medium left in the body cavity might be bled through the relief valve
Fire safe design
With the valve heated in a fire application, the non-metal material parts such as seat sealing ring of PTFE, O ring for the stem, and sealing gasket for body and bonnet, might be damaged due to high temperature. Special design of auxiliary metal to metal or the graphite seal is provited for the trunnion ball valve to effectively prevent both internal and external leakage of the valve. As required by customers fire safe design for the trunnion ball valve meets the requirement of API 607, API 6fa, BS 6755 and JB/T 6899
Self-relief in the body cavity
As the liquid medium left in the body cavity gasifies due to increased temperature, the pressure in the body cavity becomes abnormally higher, when the medium itself in the cavity would propel the seat and self-relieves the pressure to ensure the safety of valve
Trunnion ball valve with the Bi-sealing design structure, i.e. seat se aling in front of the ball and seat sealing behind the ball
According to some special working conditions and customers requirement, We has provided the trunnion ball valve with the Bi-sealing design structure, i.e. seat sealing in front of the ball and seat sealing behind the ball thus the reliable sealing of the valve is ensured because the valve can perform normally even if one of the effective sealing designs becomes lost due to the abnormal condition
Regarding the seat in front of the ball, the piston effect formed by the area difference between D1 and D2, plus the pre-tightened force of a spring would cause the seat in front of the ball by the pressure difference of the medium before and after the valve to touch the ball closely to form the tightness, of which the sealing force will become bigger as the pressure difference gets hig her
Regarding the seat after the ball, the piston effect formed by the area difference between D2 and D3, plus the pre-tightened force of a spring would cause the seat behind the ball to touch the ball closely to form the tightness, of which the sealing force will become bigger as the pressure difference gets higher
Blow-out proof stem
Blow-out proof structure is provited with for the stem which is positioned by the up-end cap and screw, being guaranteed not to be blown-out by the medium even if at abnormal rise n pressure in the cavity
Anti-static design
The ball of the trunnion ball valve gets close contact with each othe th rough the trunnion, adjusting cushion, and down-end cap, the passage of static electricity thus forms together with the valve, which may le ad the static electricity caused by sparks generated by friction between the ball and seat during on and off perform ance to the ground to prevent the possible risk of fire or explosion.
- Q:What does copper ball valve mean by "1/2"?
- 1/2 is inch inch, which is what is usually called "valve", and the caliber is "DN15". You can see the contrast chart of the valve diameter and inch.
- Q:The two valves are available for the flow of the electromagnetic valve switch, I contact more, found for water solenoid valve are caged water, to repair several times because of impurities or newly installed pipeline with raw materials flowing through the valve, close the valve body when not to rely on Yan, a seepage water tank to diffuse phenomenon!I am looking for a replacement, I think the electric valve should be a good choice, not used to a conclusion.Please use the electric ball valve to talk about friends, or for the two kinds of friends who have an understanding to talk aboutOr there is no better substituteThere seems to control the solenoid valve and electric valve is not the same, the solenoid valve is normally open and closed to control the electric valve is controlled by the trigger (like), if used to replace it, what is the controller?
- Solenoid valve on the medium cleanliness requirements are very high, when the water is not clean, easy to leak. You use the solenoid valve is leaking, that's the case.If you have an air source, use pneumatic angle seat valvesIf only the power supply, the electric ball valve.Electromagnetic valve is electromagnetic rail, electric suction from the electromagnetic core, so that the valve openThe electric ball valve is driven by the motor to drive the valve open. If only switch, then do not need to install any controller, when buying, must explain is the switch ball valve.This answer was net friend adoption
- Q:What does "ball pq340h-10c-1200" mean?
- This is the worm gear eccentric hard seal hemisphere valve, 10 kilograms of pressure, caliber is 1200.
- Q:A connection wire for 21mm the other end is connected to 4 points inside the pipe joint ball valve
- DN20 is not the ball valve, 4 points that the size of the head with 20*15 change
- Q:Ball valve Q41f and Q11f difference, whether universal?
- Q41 is flanged ball valve, Q11 is a threaded ball valve, the two connections in different forms, is not universal
- Q:What is the ball valve Q11F -16 material?
- If sealed, F stands for fluoroplastic. Valve material is not marked in the model!Q stands for ball valvesThe first 1: threaded connection,Second 1: is the ball valve is floating through the ball,F stands for PTFE- PTFE seals16 represents the nominal pressure of the ball valve is 1.6MPa=16 kg
- Q:Role of ball valve DN20-Q11F-16
- Type Q - 1 - connection form: threaded connection1 - gate structure: single gateF: PTFE sealing materialsDN - nominal diameter mm 2016 pressure rating: 161.6MPaQ11F ball valve is to control the circulation and cut-off of the pipeline medium.
- Q:What are the differences between the pneumatic ball valve and the pneumatic angle seat valve?
- Pneumatic angle seat valve is the use of reciprocating actuators, usually in use to withstand fluid work pressure at 1.6MPa. Pneumatic ball valve is to use rotary actuator, to bear high fluid pressure. In normal use, the reciprocating actuator is characterized by its service life over the length of the rotary actuator. Two: easy maintenance. Three: the price is cheap. Personal recommendations in fluid pressure below 1.6MPa, or pneumatic angle seat valve is better?. High pressure, less opening frequency, pneumatic ball valve is appropriate.
- Q:Our factory has part of the ball valve in the direction of movement and normal ball valve is the opposite direction: anti clockwise for the turn off, clockwise. Excuse me, what's the reason for this?Excuse me, is this because the valve body installs the reason of the contrary or the reason, the ball valve is thus designed?Are there any positive and negative points when the ball valve is installed?
- Ball valve is 90 degrees switch, you may put the handle of the wrong position, change 90 degrees, try it
- Q:Who knows why the ball valve is divided into a piece of ball valve, two pieces of ball valve, three pieces of ball
- There is, of course, a difference,This is according to the structure of the valve body,The difference between them is whether they are easy to disassemble, for example, the three piece of ball valve is easiest to disassemble.
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trunnion ball valve ; ball valve ; CLASS150--2500 ball valve
- Loading Port:
- Tianjin
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 100 pc
- Supply Capability:
- 1000 pc/month
OKorder Service Pledge
OKorder Financial Service
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