VALVE

Functions from valves are:

  • Stopping and starting flow
  • Reduce or increase a flow
  • Controlling the direction of flow
  • Regulating a flow or process pressure
  • Relieve a pipe system of a certain pressure
  • When oil & gas is leaking or firing, used for security protect on well site.
  • Have hydraulic safety valve and pneumatic safety valve per different driving source.
  • With heat sensitive and high pressure explosion-proof equipment.
  • Have two parts of actuator and preparation valve, can replace and repair standard interface.
  • Working pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~7.1/16"(46mm~180mm)
  • Working Medium: oil, natural gas, mud and gas containing H2S,CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification Level: PSL1-4
  • Performance Reauirement:PR1-2

Choke Valve

  • The bean orifice is made of ceramics or hard alloy, with performance of wearing resistance and washing resistance.
  • The bonnet connection form is union, which is more convenient to replace bean.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~7.1/16" (46mm~180mm)
  • Working Medium: oil, natural gas, mud and gas containing H2S, CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB, CC, DD,EE,FF, HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
  • Choke valves for needle type and external sleeve type are available for Christmas tree.
  • The needle and core are made of hard alloy, with performances of wearing resistance, washing resistance and corrosion resistance.
  • The external sleeve choke valve has advantages of low switch torque, throttling and shutting fluid.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~7.1/16" (46mm~180mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Performance Requirement: PR1-2

Check Valve

  • The working medium flows in single direction.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 2.1/16"~4.1/16" (52mm~103mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2

Gate Valve

Gate Valve with Gearbox
  • Switch driving use the structure of sector gear or worm gear, effectively lowering operating moment.
  • Gate valve structure.
  • Stem structure has the function of pressure balance and switch indication.
  • Apply to the structure of big bore high pressure valve.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~9" (46mm~230mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
  • Switch driving use the structure of sector gear or worm gear, effectively lowering operating moment.
  • Gate valve structure.
  • Stem structure has the function of pressure balance and switch indication.
  • Apply to the structure of big bore high pressure valve.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~9" (46mm~230mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
Gate Valve with Gearbox
  • Full bore design eliminates efficiently pressure drop and vortex, and eliminates washing by solids in fluid.
  • Gate use expanding type structure.
  • Achieve low torque operation and low wastage during open and close.
  • Metal seal is used between bonnet and body.
  • Soft seal or metal seal is used between gate and seat.
  • Inject sealant through injection valve to improve seal performance.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~7.1/16" (46mm~180mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
  • Full bore design eliminates efficiently pressure drop and vortex, eliminates washing by solids in fluid.
  • Special seal type lower switch torque.
  • Metal-to-metal seal is used between bonnet and body, gate and seat rising.
  • Metal-to-metal seal between gate and seat, and the surface is weld overly with hard alloy, which has feature of corrosion resistance and washing resistance.
  • Retainer plate fix seat ring insuring good stability.
  • The stem designed with back seal, can replace stem sealing under pressure.
  • One side of bonnet is designed with sealant injection in order to supply sealant and improve seal and lubrication performance of gate and seat.
  • Can complete with different pneumatic (hydraulic) actuator upon user's requirements.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~9" (46mm~230mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
  • Full bore design eliminates efficiently pressure drop and vortex, eliminates washing by solids in fluid.
  • Mental-to-mental seal is used between bonnet and body, gate and seat, body and seat.
  • The surface of gate and seat is weld overlay with hard alloy, which has feature of corrosion resistance and washing resistance.
  • The bonnet and stem designed with back seal, can replace stem sealing under pressure.
  • One side of bonnet is designed with sealant injection in order to supply sealant and improve seal and lubrication performance of gate and seat.
  • Can complete with different pneumatic (hydraulic) actuator upon user's requirements.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~9" (46mm~230mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2
  • Full bore design eliminates efficiently pressure drop and vortex, eliminates washing by solids in fluid.
  • Metal-to-metal seal is used between bonnet and body, gate and seat, seat and body.
  • The surface of gate and seat is welding overlay with hard alloy, which has feature of corrosion resistance and washing resistance.
  • The balanced stem can balance the stem load, reduce load of stem thread and bearing to decrease operating torque.
  • The bonnet and stem are designed with back seal, which can replace stem sealing under pressure.
  • One side of bonnet is designed with sealant injection valve.
  • Rising stem structure can indicate open and close of valve.
  • Complete with different pneumatic (hydraulic) actuator upon user's requirements.
  • Working Pressure: 2,000PSI~20,000PSI
  • Nominal Bore: 1.13/16"~9" (46mm~230mm)
  • Working Medium: oil、natural gas、mud and gas containing H2S、CO2
  • Working Temperature: -46°C~121°C(Class LU)
  • Material Class: AA、BB、CC、DD、EE、FF、HH
  • Specification level: PSL1-4
  • Performance Requirement: PR1-2

Model

Temperature

Usage

Z40H—150Lb    

≤425℃

Steam, water ,oil etc non corrosion medium 

Z41H 1.6C-16   

≤325℃

Steam, water ,oil etc non corrosion medium

Z41Y 1.61-161  

≤530℃

Steam, water ,oil etc non corrosion medium

Z41W 1.6P-6.4P

≤200℃

Acid , alkali 

Z41W 1.6R-6.4R

≤200℃

supply for : acid , alkali

Gate Valve with Gearbox
Hydraulic gate valve
  • There is seal grease injection valve on one side of bonnet
  • Rising stem structure that can indicate valve switch
  • It is match with all kind of pneumatic (hydraulic) actuator as customers requirement
  • Working pressure :2,000PSI~20,000PSI
  • Nominal bore :1.13/16~9 (46mm~230mm)
  • Working medium : oil , natural gas , mud , consist of H2S CO2 gas
  • Working temp.:-46℃~121℃(LU )
  • Material:AA、BB、CC、DD、EE、FF、HH
  • PSL:PSL1~4
  • PR:PR1~2
  • Nominal size from 1-13/16" through 4-1/16".
  • Temperature classes L, P, R, S, T, and U.
  • Gate valves to be used in the 350℉ or 650℉ high temperature can be supplied on request.
  • Material classes from AA through FF.
  • Manufactured and Tested in Accordance with API Spec 6A
  • Available in 3 000psi, 5 000psi and 10 000psi of working pressure.
  • Performance requirement (PR) 1.
  • Simple structure and renewable gate and seat assembly.
  • One-piece and double-acting gate with long service life.
  • Both thrust bearings with large load capacity and composite rubber-plastic stem lip packing minimize operational torque.
  • Bearing cap is provided with a grease cup to make it easy to inject lubricating grease in the field.
  • Threaded packing gland allows removal of bearings and stem packing under line pressure.
  • Both the bolted bonnet and modern bonnet seal ring provide simple structure and reliable sealing.
  • The sealing surfaces of the gate and seat are hard faced for wear and corrosion resistance.
  • Wave springs are installed between the body and seat and between the gate and seat.
  • Floating gate design requests the hand wheel to be backed off 1/4 turn after its rotation can go no further.
Slab Gate Valve (Non-Rising Stem)
Dm Gate Valve

Specifications:

  • Designed specifically for Abrasive and Erosive use
  • All Valves Have Stainless Steel Stems
  • API 6A PSL 1, 2 and 3 available
  • Gates can be supplied in Nickel-Plated Carbon Steel, Monel, Aluminum Bronze or Stainless Steel
  • Stainless or Carbon Steel Inserts with Nitrile or HNBR Elastomer
  • Factory Pressure Tested in Accordance with API.6A
  • Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends
  • Sour Service Models to NACE MR-01-75
  • Available with Pressure Ratings up to 5,000 psi in 2", 3", 4", 5" x 4" and 6" x 4" Valve Sizes
  • Full Material Traceability Guaranteed
  • Supplied with Full Certification at no extra charge

Applications:

  • Oil and Gas lines
  • Wellheads
  • Manifolds and Pipelines
  • Crude Oil and Sour Gas
  • Well Treating Chemicals
  • Drilling Chemicals
  • Water Flood Lines
  • Abrasive Drilling Mud

Specifications:

  • Manufactured and Tested in Accordance with API Spec 6A
  • Forged Steel Body and Bonnet
  • API 6A PSL 1, 2 and 3 available
  • Valve seat and gate are sealed by Metal to Metal Sealing
  • Low Operating Torque
  • Quick Release Hand Wheel
  • Factory Pressure Tested in Accordance with API 6A
  • Can be supplied with Flanged End Connections, Hammer Union Ends, Threaded Connections or Butt Weld Ends
  • Material Classes DD, EE, FF, to NACE MR-01-75
  • Available with Pressure Ratings 3 000psi, 5 000psi and 10 000psi in 2", 3", 4", 5" Valve Sizes

Applications:

  • Oil and Gas lines
  • Wellheads
  • Manifolds and Pipelines
  • Crude Oil and Sour Gas
  • Well Treating Chemicals
Mud Gate Valve(Metal To Metal Sealing)

Mud valve

  • Be applicable to Drilling Fluid Manifold and pipe connection of oil & gas wellhead
  • Working Pressure:2,000Psi~10,000Psi
  • Nominal Bore:2"~5"(50mm~130mm)
  • Working Medium:Mud、Oil、Natural gas
  • Connection type:Thread、Weld、flange connection
  • Working temperature:-46℃~121℃(Class L.U)
  • Material Class:AA、BB、CC、DD、EE、FF、HH
  • Specification level:PSL1~PSL4
  • Performance Requirements:PR1~PR2
Mud valve

Plug valve

Plug valve
  • Be applicable to connect high pressure manifold, when cementing well and hold down well, also to control similar high pressure fluid
  • Working Pressure:2000Psi~10000Psi
  • Nominal Bore:2"~5"(50mm~130mm)
  • Working Medium:Mud、Oil、Natural gas
  • Connection type:Thread、Weld、flange connection
  • Working temperature:-46℃~121℃(Class L.U)
  • Material Class:AA、BB、CC、DD、EE、FF、HH
  • Specification level:PSL1~PSL4
  • Performance Requirements:PR1~PR2