Tailor Made
Our engineers have developed a comprehensive range of subsea valves, operators and hydraulic actuators to deliver complete tailor made packages meeting the highest subsea specifications. With a dedicated Subsea Division, internal machining, cladding, structural welding or hyperbaric testing capabilities, we are uniquely prepared to execute projects efficiently and safely, bringing you decades of subsea experience and the expertise you need to develop the most challenging fields.
SUBSEA TOP ENTRY BALL VALVES
VALVE DESCRIPTION
Subsea top entry ball valves are designed according to API6DSS, API6A, API17D with the addition of customer requirements when present.
The valves do not rely on lubricant or grease to assist sealing between the ball and seat.
Metal-to-metal sealing is used between the ball and seat and non-elastomeric seal are provided between the seat and body.
Metal-to-metal sealing is also provided between body-to-bonnet and stem-to-body (optional). The Subsea ball valves are actuated by Perar hydraulic actuator or gearbox as requested.
BASIC CHARACTERISTICS
- API6DSS, API6A, API17D design as requested
- Bi-directional sealing
- Spring loaded metal-to-metal seats (tungsten carbide coating 0,2 mm – 0,4 mm thickness)
- Anti-blow out design stem
- Non-elastomeric seals to avoid the risk of gradual degradation of the seals over their life
- Full metal-to-metal sealing at body-bonnet and valve stem
- Forged material to comply with API6A PSL3
- Valve actuation with dedicated hydraulic actuator and ROV operable Gearbox (fixed or retrievable)
Model: Forged Body (PSL3-PSL4)
Pressure Classes: 3000 psi /900-1500 lbs
Size: 1/2” to 36”
Pressure Classes: 5000 psi / 2500 lbs
Size: 1/2” to 30”
Pressure Classes: 7500 psi
Size: 1/2” to 22”
Pressure Classes: 10000 psi
Size: 1/2” to 9”
Pressure Classes: 15000 psi
Size: 1/2” to 9”
——————-
Model: Cast Body (PSL2)
Pressure Classes: 3000 psi /900-1500 lbs
Size: 4” to 48”
Pressure Classes: 5000 psi / 2500 lbs
Size: 4” to 30”
Pressure Classes: 7500 psi
Size: 4” to 22”
Pressure Classes: 10000 psi
Size: 4” to 9”
Primary Metal Seat Standard
Seal Welded Vent Standard
Self relieving Seats Standard
Electrical Continuity Standard
Double Piston Seat On Request
Seal Areas Overlay Standard
Double Block and Bleed On Request
Wetted Areas Overlay On Request
Anti blow-out stem Standard
Primary Metal Seals (BX) Standard
Diver, ROV or Actuated As Requested
Primary Metal Stem Seal On Request
Hybrid valve (Metal SR/Soft DPE) On Request
API6A/API17D qualification As Requested
BODY, BONNET, PUPS
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– ASTM A182-F22 + Inconel 625 overlay
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
TRIM (SEAT, BALL AND STEM)
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
– Inconel 718
BODY SEALS / SEAT SEALS
– METAL GASKET (BX type gasket)
– LIPSEAL– PTFE + ELGILOY
– CHEVRON PACK – PTFE + PEEK + ELGILOY
– OR – HNBR AED (for seawater sealing)
SEAT INSERT
– METAL WITH TUNGSTEN CARBIDE COATING (MIN. TH. 0.2 mm)
– METAL WITH TUNGSTEN CARBIDE COATING (MIN. TH. 0.4 mm)
– PEEK / PCTFE / KEL-F / NYLON (DEVLON V-API)
BOLTING
– ASTM A320-L7 / A193-B7 (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A320-L7M / A193-B7M (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A453-GR.660 (XYLAN COATED)
– ZERON100 (25% Cr)
SUBSEA SIDE ENTRY BALL VALVES
VALVE DESCRIPTION
Subsea side entry ball valves are designed according to API6DSS, API6A, API17D with the addition of customer requirements when present.
The valves do not rely on lubricant or grease to assist sealing between the ball and seat.
Metal-to-metal sealing is used between the ball and seat and non-elastomeric seal are provided between the seat and body.
Metal-to-metal sealing is also provided between body-to-closure and stem-to-body (optional).
The Subsea ball valves are actuated by Perar hydraulic actuator or gearbox as requested.
BASIC CHARACTERISTICS
- API6DSS, API6A, API17D design as requested
- Bi-directional sealing
- Spring loaded metal-to-metal seats (tungsten carbide coating 0,2 mm – 0,4 mm thickness)
- Anti-blow out design stem
- Non-elastomeric seals to avoid the risk of gradual degradation of the seals over their life
- Full metal-to-metal sealing at any primary pressure boundary including valve stem
- Forged material to comply with API6A PSL3
- Valve actuation with dedicated hydraulic actuator and ROV operable Gearbox (fixed or retrievable)
Model: SubSea Side Entry Ball Valves
Pressure Classes: 3000 psi /900-1500 lbs
Size: 1/2” to 48”
Pressure Classes: 5000 psi / 2500 lbs
Size: 1/2” to 30”
Pressure Classes: 7500 psi
Size: 1/2” to 22”
Pressure Classes: 10000 psi
Size: 1/2” to 12”
Pressure Classes: 15000 psi
Size: 1/2” to 12”
Primary Metal Seat Standard
Seal Welded Vent Standard
Self relieving Seats Standard
Electrical Continuity Standard
Double Piston Seat On Request
Seal Areas Overlay Standard
Double Block and Bleed On Request
Wetted Areas Overlay On Request
Anti blow-out stem Standard
Primary Metal Seals (BX) Standard
Diver, ROV or Actuated As Requested
Primary Metal Stem Seal On Request
Hybrid valve (Metal SR/Soft DPE) On Request
API6A/API17D qualification As Requested
BODY, CLOSURE, PUPS
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– ASTM A182-F22 + Inconel 625 overlay
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
TRIM (SEAT, BALL AND STEM)
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
– Inconel 718
BODY SEALS / SEAT SEALS
– METAL GASKET (BX type gasket)
– LIPSEAL– PTFE + ELGILOY
– CHEVRON PACK – PTFE + PEEK + ELGILOY
– OR – HNBR AED (for seawater sealing)
SEAT INSERT
– METAL WITH TUNGSTEN CARBIDE COATING (MIN. TH. 0.2 mm)
– METAL WITH TUNGSTEN CARBIDE COATING (MIN. TH. 0.4 mm)
– PEEK / PCTFE / KEL-F / NYLON (DEVLON V-API)
BOLTING
– ASTM A320-L7 / A193-B7 (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A320-L7M / A193-B7M (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A453-GR.660 (XYLAN COATED)
– ZERON100 (25% Cr)
SUBSEA SWING CHECK VALVES
VALVE DESCRIPTION
Subsea swing check valves are designed according to API6DSS, API6A, API17D with the addition of customer requirements when present.
The valves do not rely on lubricant or grease to assist sealing between disc and seat. Metal-to-metal sealing is used between disc and seat and the seat is welded to the valve body; both seat and disc are hardfaced with UNS N06625 or Stellite.Metalto-metal sealing is also provided between body-to-bonnet and stem-to-body (optional) in case of ROV operated valves. The Subsea ball valves can be provided to be locked open by ROV.
BASIC CHARACTERISTICS
- API6DSS, API6A, API17D design as requested
- Bi-directional pigging
- Metal-to-metal seats (3mm hardfacing with Stellite 6 or Inconel 625)
- ROV lock open stem design to keep valve fully open for reverse pigging.
- Non-elastomeric seals to avoid the risk of gradual degradation of the seals over their life
- Full metal-to-metal sealing at body-bonnet
- Seat integral to valve body and with slope to engage the seat-to-disc sealing at low pressure
- Forged material to comply with API6A PSL3Valve actuation with dedicated hydraulic actuator or ROV operable device.
Model: Forged Body (PSL3-PSL4)
Pressure Classes: 3000 psi /900-1500 lbs
Size: 1/2” to 36”
Pressure Classes: 5000 psi / 2500 lbs
Size: 1/2” to 30”
Pressure Classes: 7500 psi
Size: 1/2” to 22”
Pressure Classes: 10000 psi
Size: 1/2” to 9”
Pressure Classes: 15000 psi
Size: 1/2” to 9”
——————-
Model: Cast Body (PSL2)
Pressure Classes: 3000 psi /900-1500 lbs
Size: 4” to 48”
Pressure Classes: 5000 psi / 2500 lbs
Size: 4” to 30”
Pressure Classes: 7500 psi
Size: 4” to 22”
Pressure Classes: 10000 psi
Size: 4” to 9”
Primary Metal Seat Standard
Seal Welded Vent Standard
Full Opening Design Standard
Electrical Continuity Standard
Lock Open by ROV As Requested
Seal Areas Overlay Standard
Primary Metal Seals (BX) Standard
Wetted Areas Overlay On Request
Primary Metal Stem Seal On Request
API6A/API17D qualification As Requested
BODY, BONNET, PUPS
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– ASTM A182-F22 + Inconel 625 overlay
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
TRIM (DISC, BALL AND STEM)
– ASTM A350-LF2 + Inconel 625 overlay
– Stainless Steel (AISI 410, AISI316)
– Duplex 22% Cr
– Superduplex 25% Cr
– Inconel 625
– Inconel 718
BODY SEALS / STEM SEALS
– METAL GASKET (BX type gasket)
– STEM METAL SEALING (TC coating 0.2 mm)
– LIPSEAL– PTFE + ELGILOY
– CHEVRON PACK – PTFE + PEEK + ELGILOY
– OR – HNBR AED (for seawater sealing)
SEAT/DISC HARDFACING
– STELLITE 6 / STELLITE 12
– UNS N06625
– ULTIMET ALLOY
BOLTING
– ASTM A320-L7 / A193-B7 (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A320-L7M / A193-B7M (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A453-GR.660 (XYLAN COATED)
– ZERON100 (25% Cr)
TC SLABS GATE VALVES
VALVE DESCRIPTION
Subsea through conduit gate valves are designed according to API6DSS, API6A, API17D with the addition of customer requirements when present.
The valves do not rely on lubricant or grease to assist sealing between the gate and seat. Metal-to-metal sealing is used between the gate and seat and between the seat and body. Metal-to-metal sealing is also provided between body-to-bonnet and stem-to-body at fail position via backseat.
The Subsea gate valves are actuated by hydraulic actuator or gearbox as requested.
BASIC CHARACTERISTICS
- API6DSS, API6A, API17D design as requested
- Bi-directional sealing
- Floating spring energized metal-to-metal seats (tungsten carbide coating thickness 0,25 mm on seats and 0,4 mm on gate)
- Non-elastomeric seals to avoid the risk of gradual degradation of the seals over their life
- Full metal-to-metal sealing at any primary pressure boundary including valve stem at fail position with the option of double backseat to provide metal sealing at both open and close positions.
- Downstream sealing with pressurized body cavity to assist fail safe stroke
- Forged material to comply with API6A PSL3
- Valve actuation with dedicated hydraulic actuator and ROV operable Gearbox
Pressure Classes: 3000 psi /900-1500 lbs
Size: 1/2” to 1” 1.13/16” 1/16” 1/8” 4 1/16” 5 1/8” 7 1/16” 9” 11” 13 5/8”
Pressure Classes: 5000 psi / 2500 lbs
Size: 1/2” to 1” 1.13/16” 1/16” 1/8” 4 1/16” 5 1/8” 7 1/16” 9” 11” 13 5/8”
Pressure Classes: 7500 psi
Size: 1/2” to 1” 1.13/16” 1/16” 1/8” 4 1/16” 5 1/8” 7 1/16” 9” 11” 13 5/8”
Pressure Classes: 10000 psi
Size: 1/2” to 1” 1.13/16” 1/16” 1/8” 4 1/16” 5 1/8” 7 1/16” 9” 11” 13 5/8”
Pressure Classes: 15000 psi
Size: 1/2” to 1” 1.13/16” 1/16” 1/8” 4 1/16” 5 1/8”
Primary Metal Seat Standard
FSC, DA, FSO valve design Standard
Self relieving Seats Standard
Seal Areas Overlay Standard
Primary Metal Seals (BX) Standard
Wetted Areas Overlay On Request
Primary Metal Stem Seal at fail position Standard
Double metal stem backseat On Request
Diver, ROV or Actuated As Requested
Electrical Continuity Standard
Hybrid valve (Metal SR/Soft DPE) On Request
API6A/API17D qualification As Requested
BODY, BONNET, PUPS
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– ASTM A182-F22 + Inconel 625 overlay
– Duplex 22% Cr – Superduplex 25% Cr
– Inconel 625
TRIM (SEAT, GATE AND STEM)
– ASTM A350-LF2 + Inconel 625 overlay
– ASTM A694-F52/F56/F60/F65 + Inconel 625 overlay
– Duplex 22% Cr – Superduplex 25% Cr
– Inconel 625
– Inconel 718
BODY SEALS / SEAT SEALS
– METAL GASKET (BX type gasket)
– LIPSEAL – PTFE + ELGILOY
– V – PACK– PTFE + PEEK + ELGILOY
– OR – HNBR AED (for seawater sealing)
SEAT INSERT
– METAL WITH TUNGSTEN CARBIDE COATING
– PEEK / PCTFE / PTFE (back insert) BOLTING
– ASTM A320-L7 / A193-B7 (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A320-L7M / A193-B7M (XYLAN COATED, ZINC ELECTROGALVANIZED)
– ASTM A453-GR.660 (XYLAN COATED) – ZERON100 (25% Cr)