CHINA J-VALVES Offers Various High-quality I ndustrial Ball Valves
J-VALVES, a distinguished professional ball valve manufacturer rooted in China, takes pride in its extensive product portfolio. Our offerings span a wide range, including trunnion-mounted ball valves, floating ball valves, high-temperature ball valves, high-pressure ball valves, metal-sealed ball valves, ultra-low temperature ball valves, DBB ball valves, Three-way And Four-way Ball Valve, and fully welded ball valves. Each product is a testament to our commitment to precision engineering and reliable performance. Meticulously crafted, they are designed to not only meet but exceed the most stringent industrial demands, ensuring stable operation even under extreme conditions. This enables us to provide our clients with high-value services and makes our valves widely sought-after in industries.
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Pressure Class: 150LB~2500LB (PN20~PN420)
Temperature Range: -20℃ ~ +180℃
Valve Body Material: CF8M (316 Stainless Steel, ASTM A351)
Ball Material: CF8M (316 Stainless Steel)
Stem Material: 316 Stainless Steel
Sealing Material: PTFE, RPTFE
Connection Type: Flange (RF, compliant with ASME B16.5)
Operation Mode: Manual (Lever / Worm Gear), Pneumatic
Design Standards: ASME B16.34, API 608
Test Standards: API 598, ISO 5208
Face-to-Face Dimension: Compliant with ASME B16.10
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J-VALVES
CF8M Stainless Steel Material: The valve body is made of CF8M material complying with ASTM A351 standard, equivalent to 316 stainless steel. With molybdenum content, it features high strength and excellent corrosion resistance, making it ideal for chloride-containing media and general corrosive working conditions.
Two-piece Design: The valve body adopts a two-piece structure, facilitating maintenance and parts replacement, reducing downtime and lowering maintenance costs.
Floating Ball Design: The ball floats freely under medium pressure and closely fits the valve seat to achieve superior sealing performance and reliable medium isolation.
Flange Connection: Adopts RF (Raised Face) flange connection in accordance with ASME B16.5 standard, ensuring installation reliability and tight sealing, and enabling easy integration with existing pipeline systems.
Fire Safe Design: Compliant with API 607 standard. The valve maintains stable sealing performance even under fire conditions to prevent medium leakage.
Anti-static Device: Built-in anti-static structure effectively prevents static electricity accumulation and reduces the risk of fire and explosion.
Blowout-proof Stem Design: The valve stem adopts a blowout-proof structure to ensure operational safety and avoid stem ejection under abnormal pressure.
Compact Structure: Small size and light weight allow easy installation and integration into existing systems, saving pipeline layout space.
2-3 piece body
Full andreduced bore trunnion mounted
Double block and bleed
Single or double piston effect design anti-blow out stem
Anti-static device
Firesafe to AP1-607/6FA/IS0 10497 springloaded seats
Sealant in jection on request NACE MR-01-75
API Licenses:
API6D
API6DSS
API6A-PSL4
Pressure Class:
ASME 150-2500
API 2000-15000
Service Type:
Standard Temperature:-29℃ to 220℃/-20°F to 428°F
Low Temperature:-46℃ to 150℃/-50°F to 302°F
Cryogenic Temperature: -47℃ to -196℃/-52°F to-320°F
Subsea(Shallow &Deep Water)
Underground
High Temperature:Above 220℃/428°F
J-VALVES SPE can supply a range ofseat types and configurationsto meet specific process needs:
J-VALVES trunnion mounted ball valves standard seat ringsare soft-seated by the use of athermoplastic or elastomeric or Meta
Seats-Tungsten /Chrome carbide /ENP
Single Piston (SPE) , Double Piston effect (DPE) and Combination (SPE x DPE) seats are available.
| Seat Design | Single piston effect (SPE) | Double piston effect(DPE)-DIB 1 | Combined DIB 2 |
| Bi-directional sealing | Yes | Yes | Yes |
| Body-Cavity Self relieving | Yes | No | Yes |
| Double Barrier | No | Yes | Yes (preferred direction only) |
Emergency Seat Injection
Emergency grease in jection fitting forseat rings are standard for6" and larger valves and as option on sizes 2"-4".
An eedle valve, complete with non return check valve is screwed in the bodyand connected to theseatrings.
The emergency sealantinjection can temporarily solve leakage problems, seatsshall be re paired at the first opportunity.
For valves smaller than 6" seat sealant in jection fitting can beprovided in the body cavity
Body Vent & Drain
All J-VALVES SPE TMBV are complete with ascrewed NPT Plug, located in thelower side of the body completedraining of the body cavity.
For valves up to size 4"the drain and vent are combined in oneport.
Extended Stem
Extended stem is supplied for Underground in stalla tion.
The stem seals arelocated inthe body Gland Plate.
The stem extension isnot affected by eventual stem seal failure.
Double Piston Effect
Extended bonnets are available for Cryogenic or high temperature service or special applications requiring this facility features.
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