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Products from John Clark Valves Ltd

Floating Ball Valves

Full range of Floating Ball Valves to BS 5351 / EN ISO 17292

  • Size range ½” to 12”
  • Full and reduced bore
  • Up to ANSI Class 2500
  • Carbon Steel, Low Temp Carbon Steel, and Stainless Steel
  • Other material grades including Alloy and Duplex Steels upon request
  • Additional Testing RT, MT, DP, PMI Ect and Special Metallurgy available
  • Firesafe certification to API 607 / ISO 10497 / BS 6755 Pt. 2
Floating Ball Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
½" - 12" ½" - 12" ½" - 6" ½" - 2" ½" - 2" ½" - 2"
Materials: WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A, A105N, LF2, F1, F5, F9, F11, F22, F44, F51, F53, F55, 304/L, 316/L, 321, 347, Monel, Inconel, Hastelloy - NACE MR-01-75.(Latest Revision)
Design: BS5351 / EN ISO 17292 / API608
Firesafe Certified to API607/EN ISO 10497
SIL 3 Rated - for functional safety
Directive 94/9/EC for Explosive atmospheres (ATEX)
Pressure equipment directive 97/23/EC (PED)
Testing: API 598 / EN 12266-I
Testing Options: Threaded, Socket Weld, Flanged, Butt weld, Full and Reduced Bore

UK Stockist / Agent for Dafram


Trunnion Ball Valves

Full range of Trunnion Mounted Ball Valves to API 6D / EN ISO 17292

  • Size range ½” to 60”
  • Full and reduced bore
  • Up to ANSI Class 2500, API 6A Classes 2000 to 20000
  • Carbon Steel, Low Temp Carbon Steel, and Stainless Steel
  • Other material grades including Alloy and Duplex Steels upon request
  • Additional Testing RT, MT, DP, PMI Ect and Special Metallurgy available
  • Firesafe certification to API 607 / ISO 10497 / BS 6755 Pt. 2
  • Top Entry Ball Valves, Twin Ball DB&B Valves, HIPPS Ball Valves, Cryogenic Ball Valves, Subsea Ball Valves
Trunnion Mounted Ball Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
1" - 48" 1" - 42" 1" - 42" 1" - 36" 1" - 30" 1" - 20"
Materials: WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A, A105N, LF2, F1, F5, F9, F11, F22, F44, F51, F53, F55, 304/L, 316/L, 321, 347, Monel, Inconel, Hastelloy - NACE MR-01-75.(Latest Revision)
Design: API6D
Firesafe Certified to API607/EN ISO 10497
SIL 3 Rated - for functional safety
Directive 94/9/EC for Explosive atmospheres (ATEX)
Pressure equipment directive 97/23/EC (PED)
Testing: API 6D / API 598 / EN 12266-4
Additional Testing: Fugitive emission test to ISO 15848 or other
Cryogenic test down to minus 196° C
Strain gauge test
Cavity relief test
Paint dry film thickness check
Torque test
DNT Testing: Radiographic examination (RT), X-Ray or Gamma-ray
Magnetic particle examination (MT)
Ultrasonic examination (UT)
Dye penetrant examination (DP)
Positive material identification (PMI)
Hardness test
Design Options: Flanged, Butt weld, Full and Reduced Bore

UK Stockist / Agent for Dafram


Cast Steel Gate Valves

Full range of Cast Steel Gate Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873

  • Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
  • Size range 2” to 48”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Cast Gate Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
2" - 48" 2" - 48" 2" - 48" 2" - 24" 2" - 24" 2" - 24"
Materials: WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A
Design: API 600, EN ISO 10434, API 603, ANSI B16.34
Testing: API 598 / ISO 5208
End Connections: RF, RTJ OR BUTT WELD

UK Stockist / Agent for Tocina


Cast Steel Globe Valves

Full range of Cast Steel Globe Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873

  • Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
  • Size range 2” to 48”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Cast Globe Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
2" - 16" 2" - 16" 2" - 16" 2" - 16" 2" - 12" 2" - 12"
Materials: WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A
Design: BS1873, ANSI B16.34
Testing: API 598 / ISO 5208
End Connections: RF, RTJ OR BUTT WELD

UK Stockist / Agent for Tocina


Cast Steel Check Valves

Full range of Cast Steel Check Valves to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1868 / BS1873

  • Standards to API 600 / EN ISO 10434 / API 603 / ANSI B16.34 / BS1873 / BS1868
  • Size range 2” to 48”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Cast Check Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
2" - 48" 2" - 48" 2" - 48" 2" - 24" 2" - 20" 2" - 20"
Materials: WCB, LCB, LCC, WC6, WC9, C5, C12, CF8, CF3, CF8M, CF3M, CN7M, CF8C, A890-4A, A890-5A, A890-6A
Design: BS1868, ANSI B16.34
Testing: API 598 / ISO 5208
End Connections: RF, RTJ OR BUTT WELD

UK Stockist / Agent for Tocina


Forged Steel Gate Valves

Full range of Forged Steel Gate Valves to API 602 / EN ISO 15761 / BS5352

  • Standards to API 602 / EN ISO 15761 / BS5352
  • Size range ½” to 2”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Forged Gate Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2"
Materials: A105N, LF2, F1, F5, F9, F11, F22, F44, F51, F53, F55, 304/L, 316/L, 321, 347, Monel, Inconel, Hastelloy
Design: API 602 / EN ISO 15761 / BS5352
Testing: API 598 / ISO 5208
Design Options: Threaded, Socket Weld, Flanged, Butt weld, Full and Reduced Bore, Bolted and Welded Bonnet

UK Stockist / Agent for Tocina


Forged Steel Globe Valves

Full range of Forged Steel Globe Valves to API 602 / EN ISO 15761 / BS5352

  • Standards to API 602 / EN ISO 15761 / BS5352
  • Size range ½” to 2”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Forged Gate Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2"
Materials: A105N, LF2, F1, F5, F9, F11, F22, F44, F51, F53, F55, 304/L, 316/L, 321, 347, Monel, Inconel, Hastelloy
Design: EN ISO 15761 / BS5352 / ANSI B16.34
Testing: API 598 / ISO 5208
Design Options: Threaded, Socket Weld, Flanged, Butt weld, Full and Reduced Bore, Bolted and Welded Bonnet

UK Stockist / Agent for Tocina


Forged Steel Check Valves

Full range of Forged Steel Check Valves to API 602 / EN ISO 15761 / BS5352

  • Standards to API 602 / EN ISO 15761 / BS5352
  • Size range ½” to 2”
  • ANSI Class 150 to 2500
  • Carbon Steel, Low Temp Carbon Steel and Stainless Steel available from stock
  • Other materials including Alloy and Duplex Steels upon request
  • Special designs including High Temp and Cryogenic valves also available
  • By Pass, Locking Devices, Lever & Weight,
Forged Gate Valves ANSI Ratings:
150LB 300LB 600LB 900LB 1500LB 2500LB
½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2" ½" - 2"
Materials: A105N, LF2, F1, F5, F9, F11, F22, F44, F51, F53, F55, 304/L, 316/L, 321, 347, Monel, Inconel, Hastelloy
Design: EN ISO 15761 / BS5352 / ANSI B16.34
Testing: API 598 / ISO 5208
Design Options: Piston, Swing & Ball, Threaded, Socket Weld, Flanged, Butt weld, Full and Reduced Bore, Bolted and Welded Bonnet

UK Stockist / Agent for Tocina


Butterfly Valves

Full range of Butterfly Valves to API 609

  • Size range ½” to 48”
  • Concentric / Double Offset / Triple Offset
  • Up to ANSI Class 600, PN10 to PN40
  • Carbon Steel, Low Temp Carbon Steel, and Stainless Steel
  • Other material grades including Alloy and Duplex Steels upon request
  • Additional Testing RT, MT, DP, PMI Ect and Special Metallurgy available
  • Firesafe certification to API 607 / ISO 10497 / BS 6755 Pt. 2
Materials: Cast Iron, Ductile Iron, WCB, LCB, LCC, CF8M, CF3M
Design: API 609
Face to Face: API609, BS EN 558, DIN3202, ISO 5752
Firesafe Certified to API607/EN ISO 10497
SIL 3 Rated - for functional safety
Directive 94/9/EC for Explosive atmospheres (ATEX)
Pressure equipment directive 97/23/EC (PED)
Testing: API 598 / EN 12266-I
Design Options: Wafer Pattern, Lugged & Tapped, Double Flanged
Seat Materials: Phenolic-backed Rubber - NBR, EPDM, Viton, Neoprene, Hypalon, Silicon, PTFE

 


Wafer Check Valves

Full range of Butterfly Valves to API 594 / BS7438 / EN 558.2

  • Size range ½” to 24”
  • Dual Plate / Wafer Swing / Sprung Disc
  • Up to ANSI Class 600, PN10 to PN40
  • Carbon Steel, Low Temp Carbon Steel, and Stainless Steel
  • Other material grades including Alloy and Duplex Steels upon request
  • Additional Testing RT, MT, DP, PMI Ect and Special Metallurgy available
Materials: Cast Iron, Ductile Iron, WCB, LCB, LCC, CF8M, CF3M,
Design: API 594 / BS7438 / EN 558.2
Serrated RF ,Butt Weld, Hub Type
Metal or Soft Seat Design
Design Options: Wafer Pattern, lugged & Tapped, Through Drilled, Double Flanged.

Complete Actuation packages

Full range of electric, electro-hydraulic, hydraulic and pneumatic

  • Quarter turn / Multi-turn / modulating etc
  • Suitable for all size/pressure ranges of valve
  • Carbon Steel, Low Temp Carbon Steel, and Stainless Steel

All associated ancillary equipment

  • Solenoid Valves
  • Switchboxes / Positioners
  • Gearboxes / Manual over rides
  • Manual spring return units

Accessories

  • Complete valve interlock service – from site survey to installation and servicing
  • From a single lock to a complete safety relief valve system and more.
  • Portable valve actuator systems
  • Remote Cable drive operators
  • Valve torque limiting devices

Valve Overhaul And Refurbishment Service

JCV offer a complete valve overhaul and refurbishment service, which includes:

  • The valve is firstly identified and tagged as part of our QA procedure.
  • Strip & inspect, reporting any adverse findings to customer.
  • Each individual component is then shot blasted, cleaned/polished
  • Where applicable the body and seats are then lapped.
  • Final inspection of all components before re-assembly procedure.
  • The valve is then tested to the relevant British, American or DIN standard.
  • Finally the valve is painted and the Test Certification prepared (where requested)

General Valves

  • Y Type Strainers
  • Basket Strainers
  • Gauges
  • Needle Valves
  • Wafer Check Valves
  • Instrumentation Valves
  • General Process Ball Valves
  • Fire Hydrant Valves
  • Solenoid Valves
  • Brass/Bronze Valves
  • Knife Gate Valves
  • Plug Valves
  • Diaphragm Valves
  • Regulators
  • Traps
  • Relief Valves
  • Blow Down Valves
  • Pressure Reducing
  • Pinch Valves
  • Plastic Valves
  • Control Valves