Hydraulic High Pressure Ball Valve 31.5Mpa G thread KHB-L Carbon steel lockable Ball valve
Hydraulic item pressure range is 0-300bar(30Mpa)
Please don't work more than indicated pressure range.
Lockable high pressure ball valves are mainly used in situations where precise control of fluid or gas flow is required to ensure that the valve will not be accidentally opened or changed, such as in petroleum, natural gas, chemical, pharmaceutical and high pressure hydraulic systems, they can effectively prevent leakage, ensure personnel safety, and maintain the stability of the process.
Specific application scenarios
Petroleum and natural gas industry: it is used for high-pressure transmission pipelines, and can be locked to prevent dangerous gas or oil leakage caused by misoperation.
Chemical Industry: In high-pressure lines handling corrosive or toxic chemicals, lockable ball valves ensure valves are in accurate control positions to prevent accidental spillage.
High-pressure hydraulic system: in the hydraulic systems of industrial machinery and vehicles, the lockable ball valve is used to maintain the pressure in the system and ensure that the equipment operates under stable conditions.
Pharmaceutical industry: during the production process, the locking design can prevent cross contamination of fluid and guarantee product quality and production safety.
High-pressure water treatment system: for industrial water treatment facilities, the lockable design ensures that the valve is fixed in a specific position to avoid water flow out of control due to misoperation.
Benefits of locking function
Safety: Through the physical locking mechanism, the valve is prevented from being opened by others in case of accident, so as to ensure the safety of operators and the environment.
Stability: In applications where constant pressure and flow rate are required, lockable ball valves ensure that valve position does not change due to vibration or other factors, maintaining process continuity and stability.
Tamper Prevention: The lockable design protects the integrity of the process by preventing unauthorized personnel from changing valve operation in situations where safety is critical.
Why choose us
1: Various style for each products and completely series pneumatic products .
2: Large stock for fast shipping.
3: High quality with competitive price.
4: Sample order & small quantity order is acceptable.
5: Customize according to your special request.
6: Reliable quality assured and active after-sell service
Our products are high quality with 12 month guarantee ,and support paypal payment.
Q: Could you offer the free samples ?
A: Yeah, but it depends products, Pls contact us ina@pneuhydr.com or whatsapp 0086 15168536055
Q: What ' s your business scope ?
A: Our business scope is service of exporter automation parts with full container, and sell air cylinder , air source treatment , solenoid valve , air valve, motorize valve , Brass valve, hydraulic valve, hydraulic cylinder, air and oil fitting, pressure gauge etc .
Q: What types of products you can make ?
A: We can make many kinds of stainless steel, brass ,aluminum materials processing .like high pressure Valve / solenoid valve / electric valve / water valve/pneumatic valve/air cylinder/hydraulic valve/hydraulic accumulator products and so on .
Q: Can the product be made with our logo and brand ?
A: Yes , of course , we can make . we are OEM supplier for years and professional to make . But you need give us the authorization if it is possible .
Q:Can you provide original famous pneumatic and hydraulic,instruments brand goods ?
A: Yes,We can supply like Festo,Smc,Ckd,Burket,Hydac,Rexroth,Siemens,Rosemount,Marsh ,Endress+Hauser etc.
Q: Is there a warranty available?
A: Yes, normally products is one year quality guarantee.
Q: Is the connector in British or Metric system? What is the difference between PT, NPT, and G threads?
A: The G thread is cylindrical and does not seal itself, requiring additional gaskets to prevent leakage. PT and NPT are conical, and the internal and external threads become tighter and tighter when tightened. Sealing is achieved through the deformation of the threads, and sealant or tape is usually used in conjunction to enhance the sealing effect
G-thread is a cylindrical straight pipe used for non sealed connections; PT thread is a conical tube that relies on the deformation and sealing of the thread itself; NPT is also a conical tube with a tooth profile angle of 60 degrees, mainly used in North America
Q: How to convert pressure units: MPa, bar, psi, kg/cm ²?
A: 1MPa=10bar≈145psi≈10kg
Q:What usually causes the burnout of solenoid valve coils?
A:Incorrect voltage and hz, frequent switching, pilot head entering liquid,valve core and spring problem,environment hot,heavy vibration etc.
Q: What should be noted for pneumatic components in high temperature or extremely cold environments?
| Focus Point |
High Temperature Environment Countermeasures |
Extreme Cold Environment Countermeasures |
| Seals |
Fluororubber, PTFE |
Low-temperature nitrile, silicone rubber, polyurethane |
| Lubrication |
High-temperature synthetic grease (low volatility) |
Low-temperature grease (low pour point, low viscosity) |
| Air Supply Treatment |
Strengthen cooling, efficient water removal |
Ultra-low dew point drying (refrigeration + adsorption type), heat tracing |
| Metal Components |
Reserve expansion clearance |
Select materials with low-temperature toughness, prevent leakage due to cold shrinkage |
| Control Components |
High heat-resistant grade coils, heat dissipation, low power consumption |
Install insulation boxes, local heating, prevent cold condensation |
| Installation |
Keep away from heat sources, add heat insulation plates |
Avoid exposure to wind and snow, wrap with thermal insulation materials |
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