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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Nominal Diameter: 8" (DN200)
Pressure Class: Class 2500 (PN420)
Temperature Range: -29℃ to +425℃
Body / Bonnet / Middle Body: ASTM A182 F316 forged stainless steel
Ball: F316 with hard chrome plating or nitriding treatment, or F316L (optional)
Stem: 17-4PH precipitation hardening stainless steel or F316
Seat: RPTFE, PEEK, nylon (secondary sealing for medium and low pressure); primary sealing is metal seat (F316 with Stellite hardfacing)
Sealing Materials: Graphite packing (stem sealing), metal-to-metal seat sealing (primary sealing)
Bearing / Support Shaft: 440C stainless steel with self-lubricating bearings, or Inconel alloy
End Connection: Flanged (RTJ Ring-Type Joint, conforming to ASME B16.5)
Operation: Manual (worm gear / bevel gear with torque-reducing bearings), pneumatic, electric, hydraulic (high-torque actuator required)
Design Standards: ASME B16.34, API 6D, API 608
Inspection & Test Standards: API 598, API 6D
Face-to-Face Dimension: In accordance with ASME B16.10Brand:J-VALVES -
Nominal Diameter: 2×1.5" (DN50×DN40)
Pressure Class: Class 1500 (PN260)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A182 F44 (254SMO, UNS S31254) forged stainless steel
Ball: F44 with hard chrome plating or nitriding treatment, or F44L (optional)
Stem: F44 or 17-4PH precipitation hardening stainless steel
Seat: RPTFE, PEEK, PPL; metal seal (F44 with Stellite hardfacing) available for ultra-high pressure service
Sealing Materials: PTFE / RPTFE / PEEK (seat), high-density flexible graphite (stem packing)
Extended Stem: F44 stainless steel, length customized according to operating conditions (typical 300mm–1200mm)
Flanges / Fasteners: F44 material or matching alloy steel, meeting Class 1500 strength requirements
End Connection: Flanged (RTJ Ring-Type Joint, conforming to ASME B16.5)
Operation: Lever (low-torque type), worm gear, pneumatic, electric, hydraulic (torque reduction device recommended for ultra-high pressure)
Design Standards: ASME B16.34, API 608
Inspection & Test Standard: API 598
Face-to-Face Dimension: In accordance with ASME B16.10Brand:J-VALVES -
Nominal Diameter: 14" (DN350)
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: 17-4PH precipitation hardening stainless steel or 316 stainless steel
Seat: PTFE, RPTFE, PPL, nylon (secondary sealing for medium and low pressure); metal seat with Stellite hardfacing available for primary sealing
Sealing Materials: PTFE / RPTFE / PPL (seat), graphite (stem packing)
Bearing / Support Shaft: Stainless steel with self-lubricating bearings (e.g. PTFE / graphite composite)
End Connection: Flanged (RF Raised Face or RTJ Ring-Type Joint, conforming to ASME B16.5)
Operation: Manual (worm gear / bevel gear with torque-reducing bearings), pneumatic, electric, hydraulic (high-torque actuator required)
Design Standards: ASME B16.34, API 6D, API 608
Inspection & Test Standards: API 598, API 6D
Face-to-Face Dimension: In accordance with ASME B16.10Brand:J-VALVES -
Nominal Diameter: 3×2" (DN80×DN50)
Pressure Class: Class 150 (PN20)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A182 F316 forged stainless steel
Ball: F316 / CF8M with hard chrome plating, or F316L (optional)
Stem: 316 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)
Extended Stem: 316 stainless steel, length customized to operating conditions (typical 200mm–1000mm)
End Connection: Flanged (RF Raised Face, conforming to ASME B16.5 / EN 1092-1)
Operation: Lever (90° open/close, with optional locking hole), worm gear, pneumatic, electric (optional)
Design Standards: ASME B16.34, API 608
Inspection & Test Standard: API 598
Face-to-Face Dimension: In accordance with ASME B16.10Brand:J-VALVES -
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 B16.10Brand:J-VALVES -
Nominal Size: 2" to 56" (DN50 to DN1400)
Pressure Class: 150LB to 2500LB (PN16 to PN420)
Temperature Range: -29℃ to +425℃
Body/Ends: ASTM A105, A350 LF2, A694 F52/F65, A182 F304/F316/F51, etc. (forged or pipe)
Ball: Material matching the body, with hard chrome plating or nitriding treatment
Stem: 17-4PH, 316, F51 and other stainless steels
Seat: PTFE, RPTFE, PEEK, Nylon (auxiliary seal); primary seal is metal seal (with Stellite hardfacing)
Sealing Materials: Graphite packing (stem seal), metal-to-metal seat seal (primary seal)
Bearing/Shaft: 440C stainless steel with self-lubricating bearings, or Inconel alloy
Extended Stem: Material matching the body or stainless steel, length customized according to burial depth
End Connection: Butt Weld Ends (BW, conforming to ASME B16.25 / EN 12627)
Operation: Manual (worm gear / bevel gear with bearing torque reduction), pneumatic, electric, hydraulic, electro-hydraulic actuator (for underground installation with above-ground operation)
Design Standard: API 6D, ASME B16.34
Test Standard: API 6D
Face-to-Face Dimension: Conforms to ASME B16.10Brand: -
Nominal Size: 6×4" (DN150×DN100)
Pressure Class: 2500LB (PN420)
Temperature Range: -29℃ to +425℃
Body / Bonnet / Center Section: Forged stainless steel ASTM A182 F316
Ball: F316 with hard chrome plating or nitriding treatment, or F316L (optional)
Stem: 17-4PH precipitation hardening stainless steel or F316
Seat: RPTFE, PEEK, Nylon (auxiliary seal for medium and low pressure); primary seal is metal seal (F316 with Stellite hardfacing)
Sealing Materials: Graphite packing (stem seal), metal-to-metal seat seal (primary seal)
Bearing / Trunnion: 440C stainless steel with self-lubricating bearing, or Inconel alloy
End Connection: Flanged (RTJ Ring Type Joint, conforming to ASME B16.5)
Operation: Manual (worm gear / bevel gear with bearing torque reduction), pneumatic, electric, hydraulic (high-torque actuator required)
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES -
Nominal Size: 16" (DN400)
Pressure Class: 300LB (PN50)
Temperature Range: -29℃ to +425℃
Body / Bonnet: Cast Carbon Steel ASTM A216 WCB
Ball: A105N / WCB with hard chrome plating, or 304 / 316 stainless steel (optional)
Stem: 17-4PH Precipitation Hardening Stainless Steel or 316 Stainless Steel
Seat: PTFE, RPTFE, PPL, Nylon (auxiliary seal for medium and low pressure); metal seal with Stellite hardfacing available for primary seal (optional)
Sealing Materials: PTFE / RPTFE / PPL (seat), Flexible Graphite (stem packing)
Bearing / Trunnion: 440C Stainless Steel with self-lubricating bearing, or Inconel alloy
End Connection: Flanged (RF Raised Face or RTJ Ring Type Joint, in accordance with ASME B16.5)
Operation: Manual (worm gear / bevel gear with bearing torque reduction), pneumatic, electric, hydraulic (high-torque actuator required)
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES -
Nominal Size: 3" × 2" (DN80 × DN50)
Pressure Class: 1500LB (PN260)
Temperature Range: -29℃ to +425℃
Body / Bonnet: Forged stainless steel ASTM A182 F44 (254SMO, UNS S31254)
Ball: F44 with hard chrome plating or nitriding treatment, or F44L (optional)
Stem: F44 or 17-4PH precipitation hardening stainless steel
Seat: RPTFE, PEEK, PPL; metal seal (F44 with Stellite hardfacing) available for ultra-high pressure service
Sealing Materials: PTFE / RPTFE / PEEK (seat), high-density flexible graphite (stem packing)
Extended Stem: F44 stainless steel, length customized according to service conditions (typical 300mm–1500mm)
Flanges / Bolting: F44 or matching alloy steel to meet 1500LB strength requirements
End Connection: Flanged (RTJ Ring Type Joint, conforming to ASME B16.5)
Operation: Lever (low-torque type), worm gear, pneumatic, electric, hydraulic (torque reduction device recommended for ultra-high pressure)
Design Standards: ASME B16.34, API 608
Testing Standard: API 598
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES -
Nominal Size: 2" to 56" (DN50 to DN1400)
Pressure Class: 150LB to 2500LB (PN20 to PN420)
Temperature Range: -29℃ to +425℃
Body / Ends: Forged steels including ASTM A105, A350 LF2, A182 F304/F316/F51/F53, etc.
Ball: Material matching the valve body, with hard chrome plating or nitriding treatment
Stem: 17-4PH, 316, F51 and other stainless steels
Seat: PTFE, RPTFE, PEEK, Nylon (auxiliary seal); metal seal with Stellite hardfacing available as primary seal (optional)
Sealing Materials: PTFE/RPTFE/PEEK (seat), flexible graphite (stem packing)
Bearing / Trunnion: 440C stainless steel with self-lubricating bearings, or Inconel alloy
End Connection: Butt Weld Ends (BW, conforming to ASME B16.25 / EN 12627)
Operation: Manual (worm gear / bevel gear with bearing torque reduction), pneumatic, electric, hydraulic, electro-hydraulic
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 6D, API 598
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES -
Nominal Size: 1" (DN25)
Pressure Class: 150LB (PN20)
Temperature Range: -29℃ to +425℃
Body / Bonnet: Cast stainless steel ASTM A351 CF8 (equivalent to 304)
Ball: CF8 / 304 with hard chrome plating, or 316 stainless steel (optional)
Stem: 304 or 316 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: Pneumatic (double-acting or spring return)
Air Supply Pressure: 0.4–0.7MPa (standard); high or low pressure type available on request
Optional Accessories: Solenoid valve, limit switch, positioner, filter regulator, handwheel mechanism, quick exhaust valve, etc.
Design Standards: ASME B16.34, API 608
Testing Standard: API 598
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES -
Nominal Size: 8" × 6" (DN200 × DN150)
Pressure Class: 150LB (PN20)
Temperature Range: -29℃ to +425℃
Body / Bonnet / Center Section: Forged carbon steel ASTM A105 (normalized)
Ball: A105 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 (stem packing)
Bearing / Trunnion: Stainless steel with self-lubricating bearing (e.g. PTFE/graphite composite)
End Connection: Flanged (RF Raised Face, conforming to ASME B16.5)
Operation: Manual (worm gear / bevel gear with bearing torque reduction), pneumatic, electric, hydraulic (optional)
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimension: Conforms to ASME B16.10Brand:J-VALVES
