Industry Ball Valve Solutions by J-VALVES
J-VALVES is a professional ball valve manufacturer based in Wenzhou, China, delivering ball valve solutions engineered for five demanding industries: FPSO and offshore platforms (Class 2500, NACE MR0175 sour service), FBE coated valves for SWRO desalination and water treatment, extended bonnet cryogenic valves tested to -196°C for LNG service, API 6D and API 608 valves for oil, gas and refining, and OEM/ODM private brand manufacturing. Every solution page includes a selection matrix, technical specification tables, API 607 fire safe compliance details, real project cases, an 8-step QC procedure and engineering FAQ - so buyers and AI search engines can verify our capability with facts, not slogans.
Top entry trunnion mounted ball valve with a one piece body that removes the bolted body joint from the pressure boundary. Seats and seals are serviced through the top cover without cutting the valve out of the pipeline. Nominal Size: 1 inch to 36 inch Pressure Class: ASME Class 150 to 2500 Body Material: WCB, LCC, CF8M, CF3M, A105 forged Body Style: One piece top entry Ball & Stem: CF8M or F316 with ENP coating Seat Material: PTFE, RPTFE, PEEK or metal End Connection: Flanged RF / RTJ, butt weld Operation: Gear, pneumatic or electric actuator Maintenance: In line, through the top cover Design Standard: API 6D / ISO 14313 Test Standard: API 598, API 607 fire safe Options: Sealant injection, cavity relief, extended stem
A high pressure trunnion mounted ball valve for Class 900 to 2500 service, built to API 6D PSL3 with a forged or cast body, spring loaded seats, double block and bleed and sealant injection ports. Suited to wellheads, gas gathering and high pressure process isolation. Nominal Size: 2 inch to 24 inch (DN50 to DN600) Pressure Class: ASME Class 900 / 1500 / 2500 Body Material: A105 forged, WCB cast, A182 F316, F51 duplex Ball & Stem: A182 F316 with ENP or hard chrome Seat Material: PTFE, RPTFE, PEEK or metal to metal End Connection: Flanged RF / RTJ, butt weld, hub Operation: Gear, pneumatic or electric actuator Design Standard: API 6D / ISO 14313, ASME B16.34 Test Standard: API 598, shell 1.5x and seat 1.1x Fire Safe: API 607 / API 6FA Material Certificate: EN 10204 3.1 with heat number traceability Temperature Range: -29 C to +200 C, trim dependent
Nominal Size ：3/4"~60" (DN20~DN1500) Pressure Class ：150LB~2500LB (PN10~PN420) Temperature Range： -20℃ ~ +200℃ Body Material ：C95800 Nickel Aluminum Bronze Ball Material ：C95800 Nickel Aluminum Bronze Stem Material ：C95800 Nickel Aluminum Bronze Seat Material ：PTFE, RPTFE, PEEK End Connection ：Flanged RF Operation： Manual (Lever / Gear), Pneumatic, Electric Design Standard： ASME B16.34, API 608 Test Standard： API 598, ISO 5208 Face to Face： ASME B16.10 Fire Safe Standard： API 607
Nominal Diameter: 0.5" (DN15) Pressure Class: Class 300 (PN50) Temperature Range: -29℃ to +425℃ Body / Bonnet: ASTM A216 WCB cast carbon steel Ball: A105N / WCB with hard chrome plating, or 304 / 316 stainless steel (optional) Stem: 410 / 420 stainless steel or 17-4PH precipitation hardening stainless steel Seat: PTFE, RPTFE, PPL (reinforced PTFE) Sealing Materials: PTFE / RPTFE / PPL (seat), flexible graphite or PTFE (stem packing) End Connection: Flanged (RF Raised Face, conforming to ASME B16.5) Operation: Lever (90° open/close, with optional locking hole) Design Standards: ASME B16.34, API 608 Inspection & Test Standard: API 598 Face-to-Face Dimension: In accordance with ASME B16.10
