JF Industrial supplies high-quality industrial valves including globe valve, gate valve, check valve，ball valves and cryogenic valve……
Industrial Valves for Critical Applications
JF Industrial supplies high-quality industrial valves designed for oil & gas, chemical, power generation, and water treatment industries. Our product range includes globe valves, gate valves, check valves , ball valvesand cryogenic valves
Customizable Options
We offer industrial valves in a variety of materials (stainless steel, carbon steel, alloy steel), available in forged or cast construction, with reduced bore or full bore options. We can also customize size, pressure rating, and end connections (flanged, threaded, welded) according to customer requirements. Personalized design customization is also accepted.
Quality Assurance
All our industrial valves undergo strict testing including hydrostatic, pneumatic, and low-temperature tests. Cryogenic valves are supplied with test reports and liquid nitrogen drip pans.
Gate Valves
Check Valves
Ball Valves
Cryogenic Valves
All types of valves shown in the images (globe valves, gate valves, check valves, ball valves, etc.) can be customized in terms of size and operating temperature according to customer requirements.
Valves specifically designed for cryogenic applications can withstand temperatures as low as -196°C (liquid nitrogen temperature, also commonly used in ultra-low temperature environments such as LNG).
Butterfly Valves
Specification / Model
Valve Port Size： 3″(DN80) ~ 120″(DN3000)
Nominal Pressure ：PN0.25 ~ 1.6 Mpa, ANSI150#
Operating Temperature： -45°C ~ +900°C
Connection Type ：Flanged (FF, RF)
Body Material： Q235, 304(L), 316(L), 304/High Temp Material, etc.
Disc Material ：Q235, 304(L), 316(L), etc.
Leakage Class Rated： Cv × 5% ~ 0.2%
Adjustable Ratio： 15:1 at 60° opening, 30:1 at 90° opening
Flow Characteristic ：Approximate Equal Percentage
Specification / Model
Valve Port Size ：3″(DN80) ~ 60″(DN1500)
Nominal Pressure ：ANSI Class 150# ~ 300#
Operating Temperature： -196°C ~ +550°C
Connection Type： Wafer
Body Material ：WCB, CF8, CF8M, etc.
Disc Material ：WCB, CF8, CF8M, etc.
Leakage Class： Metal seated: Rated Cv × 0.01% ~ 0.00001%, ANSI Class VI. Soft seated: ANSI Class VI
Adjustable Ratio ：25:1 at 60° opening, 50:1 at 90° opening
Flow Characteristic ：Approximate Equal Percentage (modulating), On-Off (switching)
Specification / Model
Valve Port Size： 3″(DN80) ~ 96″(DN2400)
Nominal Pressure ：PN0.25 ~ 1.6 Mpa
Operating Temperature ：-45°C ~ +1000°C
Connection Type： Flanged
Body Material ：Q235, 304, 316, 316L, etc.
Disc Material： WCB, CF8, CF8M, CF3, CF3M, etc.
Leakage Class： Metal seated: Rated Cv × 0.01% ~ 0.00001%, ANSI Class VI. Soft seated: ANSI Class VI
Adjustable Ratio ：25:1 at 60° opening, 50:1 at 90° opening
Flow Characteristic： Approximate Equal Percentage (modulating), On-Off
Specification / Model
Valve Port Size ：2″(DN50) ~ 60″(DN1500)
Nominal Pressure： ANSI Class 150#
Operating Temperature： -40°C ~ +200°C
Connection Type： Wafer, Flanged
Body Material ：WCB, CF8, CF8M, Lined with FEP (F46)/PFA, etc.
Disc Material ：WCB, CF8, CF8M, Lined with FEP (F46)/PFA, etc.
Leakage Class： Zero leakage / Bubble-tight shut-off
Adjustable Ratio ：15:1 at 60° opening, 30:1 at 90° opening
Flow Characteristic： Approximate Equal Percentage, On-Off
Specification / Model
Valve Port Size ：2″(DN50) ~ 24″(DN600)
Nominal Pressure： ANSI Class 150#
Operating Temperature ：-40°C ~ +200°C
Connection Type ：Wafer, Flanged
Body Material ：WCB, CF8, CF8M, etc.
Disc Material ：WCB, CF8, CF8M, etc.
Leakage Class： Zero leakage / Bubble-tight shut-off
Adjustable Ratio： 15:1 at 60° opening, 30:1 at 90° opening
Flow Characteristic： Approximate Equal Percentage
Specification / Model
Valve Port Size ：12″(DN300) ~ 72″(DN1800)
Nominal Pressure ：PN0.25 ~ PN4.0 MPa
Operating Temperature ：-17°C ~ +230°C
Connection Type ：Flanged
Body Material ：WCB, CF8, CF8M, etc.
Disc Material ：WCB, CF8, CF8M, etc.
Leakage Class ：Metal seated: ANSI Class VI
Flow Characteristic： On-Off (switching)
Specification / Model
Valve Port Size： 3″(DN80) ~ 40″(DN100)
Nominal Pressure： ANSI Class 150#
Operating Temperature： -196°C ~ -45°C
Connection Type ：Welded
Body Material ：LF4
Disc Material ：304, 316, etc.
Leakage Class ：ANSI Class IV
Adjustable Ratio： 50:1
Flow Characteristic： Approximate Equal Percentage, On-Off
Self-operated valves
Specification / Model
Valve Port Size： 1/2″(DN15) ~ 2″(DN50)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature： -48°C ~ +300°C
Connection Type： Flanged (RF)
Body Material ：WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material： 304(L), 316(L), etc.
Leakage Class ：ANSI Class IV
Adjustable Ratio： 30:1
Flow Characteristic： Linear (Normal)
Specification / Model
Valve Port Size ：1-1/2″(DN40) ~ 8″(DN200)
Nominal Pressure： ANSI Class 150# ~ 600#
Operating Temperature： -48°C ~ +300°C
Connection Type ：Flanged (RF)
Body Material ：WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material ：304(L), 316(L), etc.
Leakage Class： ANSI Class IV
Adjustable Ratio： 30:1
Flow Characteristic ：Quick Opening
Specification / Model
Valve Port Size： 1-1/2″(DN40) ~ 8″(DN200)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature： -48°C ~ +300°C
Connection Type ：Flanged (RF)
Body Material ：WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material ：304(L), 316(L), etc.
Leakage Class ：ANSI Class IV
Adjustable Ratio ：30:1
Flow Characteristic ：Quick Opening
Specification / Model
Valve Port Size： 1/2″(DN15) ~ 4″(DN100)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature： -48°C ~ +120°C
Connection Type ：Flanged (RF)
Body Material ：WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material ：304(L), 316(L), etc.
Leakage Class ：ANSI Class IV
Adjustable Ratio ：20:1
Flow Characteristic ：Quick Opening
Specification / Model
Valve Port Size ：1/2″(DN15) ~ 8″(DN200)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature ：-48°C ~ +120°C
Connection Type ：Flanged (RF)
Body Material： WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material ：304(L), 316(L), etc.
Leakage Class： ANSI Class IV
Adjustable Ratio： 20:1
Flow Characteristic： Quick Opening
Specification / Model
Valve Port Size ：1/2″(DN15) ~ 2″(DN50)
Nominal Pressure： ANSI Class 150# ~ 600#
Operating Temperature： -48°C ~ +120°C
Connection Type ：Flanged (RF)
Body Material： WCB, CF8, CF8M, CF3, CF3M, etc.
Trim Material ：304(L), 316(L), etc.
Leakage Class： ANSI Class IV
Adjustable Ratio： 20:1
Flow Characteristic ：Quick Opening
Angle valves
Specification / Model
Valve Port Size： 1/2″(DN15) ~ 2″(DN50)
Nominal Pressure ：ANSI Class 150# ~ 2500#
Operating Temperature ：-196°C ~ +550°C
Connection Type： Flanged (RF, RJ, RTJ), Welded (SW, BW)
Body Material： WCB, WC6, LCB, CF8, CF8M, etc.
Trim Material ：316, 316+Stellite, 316+RTFE, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：30:1 ~ 10:1
Flow Characteristic： Linear, Equal Percentage, Modified Equal Percentage, On-Off
Specification / Model
Valve Port Size ：1″(DN25) ~ 16″(DN400)
Nominal Pressure ：ANSI Class 150# ~ 2500#
Operating Temperature ：-196°C ~ +550°C
Connection Type ：Flanged (RF, RJ, RTJ), Welded (SW, BW)
Body Material： WCB, WC6, LCB, CF8, CF8M, etc.
Trim Material ：410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：50:1 ~ 20:1
Flow Characteristic： Linear, Equal Percentage, Modified Equal Percentage, Modified Linear
Specification / Model
Valve Port Size ：1″(DN25) ~ 16″(DN400)
Nominal Pressure： ANSI Class 150# ~ 2500#
Operating Temperature：-196°C ~ +550°C
Connection Type ：Flanged (FF, RF, RJ, RTJ), Welded (SW, BW)
Body Material： WCB, WC6, LCB, CF8M, etc.
Trim Material： 410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class： Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：50:1 ~ 20:1
Flow Characteristic ：Linear, Equal Percentage, Modified Equal Percentage, Modified Linear
Specification / Model
Valve Port Size ：1″(DN25) ~ 16″(DN400)
Nominal Pressure ：ANSI Class 150# ~ 2500#
Operating Temperature ：-196°C ~ +550°C
Connection Type ：Flanged (RF, RJ, RTJ), Welded (SW, BW)
Body Material ：WCB, WC6, LCB, CF8, CF8M, etc.
Trim Material ：410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：50:1 ~ 13:1
Flow Characteristic： Linear
Specification / Model
Valve Port Size ：1″(DN25) ~ 16″(DN400)
Nominal Pressure： ANSI Class 150# ~ 2500#
Operating Temperature ：-196°C ~ +550°C
Connection Type ：Flanged (RF, RJ, RTJ), Welded (SW, BW)
Body Material ：WCB, WCG, LCB, CF8, CF8M, etc.
Trim Material ：410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：50:1 ~ 13:1
Flow Characteristic： Linear
Specification / Model
Valve Port Size ：3/4″(DN20) ~ 8″(DN200)
Nominal Pressure ：PN1.6 ~ 6.3 MPa
Operating Temperature： -196°C ~ -45°C
Connection Type： Welded (BW)
Body Material ：5083 / LF4 (Bonnet CF8)
Trim Material ：316+Stellite, 316+KEL-F, etc.
Leakage Class： Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio： 50:1
Flow Characteristic： Linear, Equal Percentage, On-Off
Specification / Model
Valve Port Size ：1″(DN25) ~ 12″(DN300)
Nominal Pressure： PN1.6 ~ 6.3 MPa
Operating Temperature： -196°C ~ -45°C
Connection Type ：Welded (BW)
Body Material ：5083 / LF4 (Bonnet CF8)
Trim Material： 316+Stellite, 316+KEL-F, etc.
Leakage Class： Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio： 50:1
Flow Characteristic： Linear, Equal Percentage, On-Off
Control valves
Specification / Model
Valve Port Size： 1″(DN25) ~ 24″(DN600)
Nominal Pressure： ANSI Class 150# ~ 600#
Operating Temperature ：-45°C ~ +550°C
Connection Type ：Flanged (RF, RTJ)
Body Material ：WCB, WCG, WC9, LCB, CF8, CF8M, etc.
Trim Material： 410, 630, 316, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio ：50:1
Flow Characteristic： Linear, Equal Percentage
Specification / Model
Valve Port Size： 1/2″(DN15) ~ 10″(DN250)
Nominal Pressure： ANSI Class 150#
Operating Temperature ：-40°C ~ +200°C
Connection Type ：Flanged (RF, MFM)
Body Material： WCB, CF8, CF8M, Lined with FEP (F46) / PFA
Trim Material： WCB, 304(L), 316(L), Lined with PTFE / PFA / FEP (F46), or Hastelloy
Leakage Class ：ANSI Class VI
Adjustable Ratio ：30:1 ~ 15:1
Flow Characteristic ：Linear, Equal Percentage, Modified Equal Percentage, On-Off
Specification / Model
Valve Port Size： 1″(DN25) ~ 24″(DN600)
Nominal Pressure ：ANSI Class 150# ~ 2500#
Operating Temperature： -196°C ~ +550°C
Connection Type ：Flanged (RF, RJ, RTJ), Welded (SW, BW)
Body Material ：WCB, WCG, LCB, CF8, CF8M, etc.
Trim Material ：410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class： Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio： 50:1 ~ 20:1
Flow Characteristic： Linear, Equal Percentage, Modified Equal Percentage, Modified Linear
Specification / Model
Valve Port Size： 1″(DN25) ~ 24″(DN600)
Nominal Pressure： ANSI Class 150# ~ 2500#
Operating Temperature： -196°C ~ +550°C
Connection Type： Flanged (FF, RF, RJ, RTJ), Welded (SW, BW)
Body Material： WCB, WCG, LCB, CF8, CF8M, etc.
Trim Material ：410, 630, 316, 316+Stellite, 316+RTFE, etc.
Leakage Class ：Metal seated: ANSI Class IV, ANSI Class V. Soft seated: ANSI Class VI
Adjustable Ratio： 50:1 ~ 20:1
Flow Characteristic： Linear
Specification / Model
Valve Port Size ：1″(DN25) ~ 24″(DN600)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature： -45°C ~ +550°C
Connection Type ：Flanged (RF, RTJ)
Body Material ：WCB, CF8, CF8M, etc.
Trim Material： 410, 630, 316, etc.
Leakage Class： Metal seat: ANSI Class IV, ANSI Class V. Soft seat: ANSI Class VI
Adjustable Ratio： 50:1
Flow Characteristic ：Linear, Equal Percentage
Specification / Model
Valve Port Size： 1″(DN25) ~ 16″(DN400)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature ：-45°C ~ +550°C
Connection Type ：Wafer
Body Material： WCB, CF8, CF8M, etc.
Trim Material： CF8, CF8M, Zirconia Ceramic, etc.
Leakage Class： Metal seated: ANSI Class IV.
Soft seated: ANSI Class VI
Adjustable Ratio： 500:1 ~ 100:1
Flow Characteristic ：Approximate Equal Percentage
Specification / Model
Valve Port Size： 1″(DN25) ~ 12″(DN300)
Nominal Pressure ：ANSI Class 150# ~ 600#
Operating Temperature： -45°C ~ +550°C
Connection Type： Wafer
Body Material： WCB, CF8, CF8M, etc.
Trim Material ：CF8, CF8M, etc.
Leakage Class： Metal seated: ANSI Class IV.
Soft seated: ANSI Class VI
Adjustable Ratio： 100:1
Flow Characteristic： Approximate Linear
Safety valves
Applicable media: Gas, steam, liquid, etc.
Applicable media: Gas, steam, liquid, etc.
Pressure range: 0.1 MPa(g) to 42 MPa(g)
Temperature range: -196°C to 200°C
Materials: Carbon steel, stainless steel, copper, Monel alloy, etc.
Options: Wrench, flanged connection, welded connection, test lever, online inspection of safety valve
Applicable media: Gas, steam, liquid, etc.
Size range: 1″ × 2″ to 8″ × 10″
Pressure range: 0.1 MPa(g) to 42 MPa(g)
Temperature range: -196°C to 540°C
Materials: Carbon steel, stainless steel, copper, Monel alloy, etc.
Options: Wrench, bellows, extended bonnet
Applicable media: Gas, liquid, etc.
Size range: 1″ × 2″ to 8″ × 10″
Pressure range: 0.1 MPa(g) to 42 MPa(g)
Temperature range: -196°C to 260°C
Materials: Carbon steel, stainless steel, copper, Monel alloy, etc.
Options: Test lever, online inspection of safety valve
Applicable media: Air, nitrogen, steam, etc.
Size range: 1″ × 2″ to 8″ × 10″
Pressure range: 0.1 MPa(g) to 42 MPa(g)
Temperature range: -196°C to 540°C
Materials: Carbon steel, stainless steel, copper, Monel alloy, etc.
Options: Cooling fin, test lever, online inspection of safety valve
Explosion isolation valves
Material: Carbon steel body + stainless steel disc
Installation position: Horizontal / Vertical (under specific conditions)
Normally open design: A mechanical mechanism keeps the disc normally open, ensuring normal flow of process fluid with minimal pressure drop (≤ 500 Pa @ 25 m/s)
Rapid explosion response: The disc can close within milliseconds under the impact of an explosion shockwave
Self‑locking mechanism: When the disc reaches the fully closed position, it automatically locks, forming a permanent sealing barrier that effectively blocks the propagation path of flames and pressure waves
Non‑dust‑accumulation design: The bottom of the valve adopts a large‑angle streamlined design to reduce the risk of internal dust accumulation
Maximum permissible air pressure in pipeline: 4000 Pa
Maximum dust concentration in pipeline: 50 g/m³
Maintenance: Easy maintenance; manual reset is allowed only after safety has been confirmed.
Note: When dust is present in the pipeline, the minimum flow velocity must reach 12 m/s to prevent dust deposition.
Material: Body: Carbon steel / Stainless steel, Float ball: Stainless steel
Installation position: Horizontal / Vertical
Application: Bi‑directional explosion isolation between equipment such as fluidized beds, drying towers, dust collectors, etc.
Maximum permissible air velocity in pipeline: 25 m/s
Breathing valves
Dual guide rail system for smooth stroke and low wear
Leakage rate is far lower than API 2000 standard, while maintaining high set pressure accuracy (±3%)
Full opening achieved at 10% overpressure
Disc and seat assemblies can be replaced in the field
Supports flange standards such as HG/T, ASME, DIN, etc
Dual guide rail system for smooth stroke and low wear
Leakage rate is far lower than API 2000 standard, while ensuring high set pressure accuracy (±3%)
Full opening achieved at 10% overpressure
Disc and seat assemblies can be replaced in the field
Supports flange standards such as HG/T, ASME, DIN, etc.
Dual guide rail system for smooth stroke and low wear
Leakage rate is far lower than API 2000 standard while ensuring high set pressure accuracy (±3%)
Full opening achieved at 10% overpressure
Disc and seat assemblies are field replaceable
Supports flange standards such as HG/T, ASME, DIN, etc.
Dual guide rail system for smooth stroke and low wear.
Leakage rate is far lower than the API 2000 standard while maintaining high set pressure accuracy (±3%).
Full opening is achieved at 10% overpressure.
Disc and seat assemblies are field replaceable.
Supports flange standards such as HG/T, ASME, DIN, etc.
High tightness / High sealing performance
Full opening at 10% overpressure
Backpressure‑resistant design
Low‑resistance body passage design
Supports flange standards such as HG/T, ASME, DIN, etc.
Size: 2″ (50mm) ~ 12″ (300mm)
Pressure setting: 0.75 ~ 100 kPa
Body material: Stainless steel (CF8 / CF3M)
Operating temperature range: -196°C ~ 150°C
Low temperature performance test: Conforms to ISO 21013-4 standard
Sealing performance: Conforms to API 2000, SY/T0511 standards
Good resistance to corrosion, chemical attack, adhesion of liquids and vapors, extreme temperatures, etc.
Full opening at 10% overpressure
Leakage rate is far lower than API 2000 standard while ensuring high set pressure accuracy (±3%)
Trim assembly can be replaced in the field
Supports flange standards such as HG/T, ASME, DIN, etc.
Good resistance to corrosion, chemical attack, adhesion of liquids and vapors, extreme temperatures, etc.
Full opening at 10% overpressure
Leakage rate is far lower than API 2000 standard while ensuring high set pressure accuracy (±3%)
Trim assembly is field replaceable
Supports flange standards such as HG/T, ASME, DIN, etc.
Emergency relief valves
Leakage rate is far lower than the requirements of API 2000 standard, while ensuring high set pressure accuracy
All components are field replaceable
Full lift design (or full opening design)
Each emergency relief valve must pass strict inspection and leakage testing before leaving the factory
Suitable for corrosive service conditions
Certified flow curve
Supports flange standards such as HG/T, ASME, DIN, etc.
Leakage rate is far lower than the requirements of API 2000 standard, while ensuring high set pressure accuracy
Suitable for corrosive service conditions
Full lift design (or full opening design)
Certified flow curve
Each emergency relief valve must pass strict inspection and leakage testing before leaving the factory
Supports flange standards such as HG/T, ASME, DIN, etc.
True zero leakage before valve opening
All components are field replaceable
Valve reaches full lift height instantly upon opening
Suitable for corrosive service conditions
The buckling pin remains within the elastic deformation range before buckling, providing high fatigue resistance
Supports flange standards such as HG/T, ASME, DIN, etc.