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: 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: 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 Diameter: 2×3/4" (DN50×DN20)
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 seat (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 per operating conditions (typical 300mm–1200mm)
Flanges/Fasteners: F44 or matching alloy steel, meeting Class 1500 strength requirements
End Connection: Flanged (RTJ Ring-Type Joint, ASME B16.5)
Operation: Lever (low-torque type), worm gear, pneumatic, electric, hydraulic (torque reduction device recommended for ultra-high pressure)
Design Standard: ASME B16.34, API 608
Inspection & Test Standard: API 598
Face-to-Face Dimension: ASME B16.10Brand:J-VALVES -
Nominal Diameter: 2×1.5" (DN50×DN40)
Pressure Class: Class 150 (PN20)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A105 forged carbon steel (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 or PTFE (stem packing)
Extended Stem: A105 / stainless steel, length customized to operating conditions (typical 200mm–800mm)
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 Size: 6×4" (DN150×DN100)
Pressure Class: 300LB (PN50)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A216 WCB cast carbon steel
Ball: A105N / WCB with hard chrome plating, or 316 stainless steel (optional)
Stem: 17-4PH stainless steel or 316 stainless steel
Seat: PTFE, RPTFE, PPL, nylon, or metal seal (Stellite alloy hardfacing)
Sealing Material: F236 (FKM fluoroelastomer, oil-resistant and high-temperature resistant); EPDM, PTFE, etc. are available upon request
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, in accordance with ASME B16.5)
Operation: Manual (worm gear / bevel gear), pneumatic, electric, hydraulic (optional)
Design Standards: ASME B16.34, API 6D, API 608
Testing 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 150 (PN20)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A182 F304 (F2) forged stainless steel
Ball: F304 / CF8 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)
Extended Stem: 304 / 316 stainless steel, length customized to operating conditions (typical 200mm–800mm)
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 Size: 6″ (DN150)
Pressure Class: 900LB (PN150)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A182 F316 (316 stainless steel); optional F316L (low-carbon, intergranular corrosion resistant), F321/F347 (stabilized, anti-sensitization), or F44/F904L (super austenitic, extreme corrosion resistant)
Ball: F316 + ENP (electroless nickel plating) / hard chrome plating / HVOF tungsten carbide coating / Stellite alloy hardfacing
Trunnion / Support: Surface-hardened F316 or 17-4PH precipitation hardening stainless steel
Stem: 17-4PH precipitation hardening stainless steel, F316 + ENP, or Inconel 718
Seat Seal:
PTFE/RPTFE (-196℃ ~ 200℃)
PPL (-40℃ ~ 280℃)
PEEK (-60℃ ~ 260℃)
Metal seal with flexible graphite (-29℃ ~ 650℃)
Packing: Flexible graphite reinforced with Inconel wire
Gasket: Flexible graphite stainless steel spiral wound gasket or metal ring gasket (octagonal / oval)
Bolting: ASTM A193 B8M (316 stainless steel) or B7 (alloy steel), with A194 8M / 2H nuts
End Connection: Flanged (RF Raised Face / RTJ Ring Type Joint, ASME B16.5); optional BW butt-weld ends (ASME B16.25)
Operation: Manual (worm gear box, standard for large-bore high-pressure service); pneumatic (single/double acting), electric (multi-turn / quarter-turn), hydraulic, and gas-hydraulic actuator
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimensions: In accordance with ASME B16.10Brand:J-VALVES -
Size Range: 2″ to 60″ (DN50 to DN1500)
Pressure Class: 150LB to 2500LB (PN20 to PN420)
Temperature Range: -29℃ to +425℃
Body / Ends: ASTM A105 (carbon steel), A350 LF2 (low-temperature steel), A694 F52/F65 (high-strength line pipe steel), A182 F316 (stainless steel)
Ball: A105 with ENP / hard chrome plating / tungsten carbide coating; or solid F316
Trunnion / Support: A105 with surface hardening or 17-4PH stainless steel
Stem: 17-4PH or Inconel 718
Seat Seal:
PTFE/RPTFE (-46℃ ~ 180℃)
PEEK (-60℃ ~ 260℃)
Metal seal with flexible graphite (-46℃ ~ 650℃)
Packing: Flexible graphite reinforced with Inconel wire
Welding Consumables: ER70S / GMAW / SAW compatible with base materials, 100% radiographic testing (RT)
End Connection: Full-bore welded BW butt-weld ends (matching ASME B16.25 / API 5L); optional flanged transition ends
Actuation: Gas-Hydraulic (preferred); optional pure pneumatic, electric, electro-hydraulic actuator
Supply Air Pressure: 0.5~1.0 MPa (pipeline natural gas or nitrogen)
Operating Time: Fully open / fully close adjustable within 5~30 seconds; emergency shutdown < 10 seconds
Design Standards: API 6D, ASME B16.34
Testing Standards: API 6D, API 598
Face-to-Face Dimensions: 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 Size: 14″ (DN350)
Pressure Class: 300LB (PN50)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A216 WCB cast carbon steel; optional A105 forged steel (higher strength) or A350 LF2 (low-temperature service)
Ball: WCB/A105 with ENP (electroless nickel plating) / hard chrome plating / stainless steel overlay
Trunnion / Support: A105 with surface hardening treatment or 17-4PH precipitation hardening stainless steel
Stem: 17-4PH precipitation hardening stainless steel, A105 with ENP
Seat Seal: PTFE / RPTFE (-29℃~180℃); PPL (-29℃~280℃); PEEK (-60℃~260℃); metal seal + flexible graphite (-29℃~425℃)
Packing: Flexible graphite reinforced with Inconel wire, or PTFE V-rings
Gasket: Flexible graphite stainless steel spiral wound gasket or metal ring gasket
Bolts: ASTM A193 B7/B7M (alloy steel) or B8M (stainless steel), with A194 2H/2HM/8M nuts
End Connections: Flanged (RF Raised Face, ASME B16.5); optional BW butt-weld ends (ASME B16.25)
Operation: Manual (worm gear box, standard for large bore); pneumatic (single/double acting), electric (multi-turn / rotary), hydraulic, pneumatic-hydraulic
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimension: In accordance with ASME B16.10Brand:J-VALVES -
Nominal Size: 3″ (DN80)
Pressure Class: 600LB (PN100)
Temperature Range: -29℃ to +425℃
Body / Bonnet:ASTM A216 WCB cast carbon steel; optional A105 forged steel (higher strength) or A350 LF2 (for low-temperature service).
Ball:WCB/A105 with ENP (electroless nickel plating), hard chrome plating, or stainless steel overlay.
Stem:A105 with ENP, 17-4PH precipitation hardening stainless steel, or SUS420.
Seat Seal:PTFE/RPTFE (-29℃ ~ 180℃);PPL (-29℃ ~ 280℃);PEEK (-60℃ ~ 260℃);Metal seal with flexible graphite (-29℃ ~ 425℃).
Packing:Flexible graphite reinforced with Inconel wire, or PTFE V-rings.
Gasket:Flexible graphite stainless steel spiral wound gasket or metal ring gasket.
Bolts:ASTM A193 B7/B7M (alloy steel) or B8M (stainless steel), with A194 2H/2HM/8M nuts.
End Connection:Flanged (RF Raised Face, ASME B16.5); optional BW butt-weld ends (ASME B16.25).
Operation:Manual (lever with locking device); optional worm gearbox, pneumatic (single/double acting), electric, or gas-hydraulic actuator.
Design Standards:ASME B16.34, API 608, API 607
Inspection & Test Standard:API 598
Face-to-Face Dimension:ASME B16.10Brand:J-VALVES -
Size Range: 2″ to 56″ (DN50 to DN1400)
Pressure Class: 150LB to 2500LB (PN20 to PN420)
Temperature Range: -29℃ to +425℃
Body / Bonnet: ASTM A105 (carbon steel), A350 LF2 (low-temperature steel), A182 F304/F316 (stainless steel), A182 F51/F53 (duplex stainless steel), Inconel and other special alloys
Ball: Forged steel base with ENP (electroless nickel plating) / hard chrome plating / HVOF tungsten carbide coating / Stellite alloy hardfacing
Trunnion / Support: Forged steel with surface hardening treatment or stainless steel
Stem: 17-4PH precipitation hardening stainless steel, A105+ENP, F316, etc.
Seat Seal:
PTFE/RPTFE (-196℃ ~ 200℃)
PPL (-40℃ ~ 280℃)
PEEK (-60℃ ~ 260℃)
Metal seal with flexible graphite (-29℃ ~ 650℃)
Gasket: Flexible graphite stainless steel spiral wound gasket, metal ring gasket (octagonal / oval)
Bolting: ASTM A193 B7/B7M/B8/B8M, with A194 2H/2HM/8/8M nuts
End Connection: Flanged (RF Raised Face / RTJ Ring Type Joint), optional butt-weld (BW) ends
Operation: Manual (lever / worm gear box, standard for large sizes), pneumatic (spring-return single-acting / double-acting), electric (on-off / modulating), hydraulic, gas-hydraulic actuator
Design Standards: ASME B16.34, API 6D, API 608
Testing Standards: API 598, API 6D
Face-to-Face Dimensions: In accordance with ASME B16.10Brand:J-VALVES
