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QTP Pneumatic Actuators Series DVG introduces a new generation of patented mechanism which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. QT Series are suitable for all modulating as well as heavy-duty services fitting any quarter-turn (90 deg) application. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double acting & Spring return Symmetric or canted yoke design Pneumatic power supply (up to 12 BARG) Output Torque Up to 800.000 Nm Standard temperature range -20°C +85°C Low temperature version -60°C + 85°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum SIL3 Capable according to IEC 61508 Corrosion resistant cylinder Manual Override available Protected travel stops are standard Modular concept Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components and power springs 3.1 Certified according to EN10204 3.1 Key Features & Advantages Operating Range The Double-acting models are available with individual test and output torque ranging from 1500 Nm (13,250 lb in) to 800,000 Nm (7,080,000 lb-in) The Single acting models deliver spring ending torque ranging from 1,800 Nm (15,900 lb-in) to 220,000 Nm (1,947,165 lb-in) Operating pressure ranges between 3 barg (45 psig) to 12 barg (175 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature design extends operating range down to -60 degC (-76 degF) Supply medium Instrument air, nitrogen, sweet gas. Special version available for sour gas Scotch Yoke PATENTED Guide Bar hard chromium plated minimizing guide block swing extending piston rod lifespan under heavy load &/or continuous modulating duty and avoiding any side load on valve stem. Excellent surface finish and self lubricated bearings accomplish higher overall efficiency. External Tie Rod External tie-rods, zinc based chemical coating which resists 500 – 1000 hours of salt fog, maintain cylinder integrity. Symmetric or canted yoke QT Series is available with either symmetric or canted yoke design depending on valve torque profile demand. Water ingress protection Totally enclosed and weather-proof actuator center-body is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X Specifications for submerged and high pressure water deluge applications. Materials Cylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminum. All pressure containing parts are supplied with 3.1 Certificate according to EN10204. Designed according to PED [...] Read more

QTO Gas over oil Actuators Series QTO actuators are used for on/off control of any natural gas transmission ball or plug valve by means of a high-pressure natural gas or nitrogen actuator supply. They introduce a new generation of patented mechanism which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting Symmetric or canted yoke design Sweet Gas or Sour Gas supply (H2S<=6% ) up to 105 BARG Output Torque Up to 800.000 Nm Gas Over Oil tanks, certified according to International Standard and Customer request Hydraulic manual override Standard temperature range -30°C +90°C, Low temperature version -60°C + 90°C PED 97/23/EC Compliant ATEX 94/9/EC Compliant IP67M, NEMA 4, 4x & 6 as minimum Protected travel stops are standard Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components and power springs 3.1 Certified according to EN10204 Basic control system including Local & Remote control torque limiting device ESD function for low or high pressure ESD function for electric supply failure to SOV Line Break System Opening prevention for high differential pressure across the valve Key Features & Advantages Operating Range The Double-acting Actuators are available with individual test and output torque ranging from 1500 Nm (13,250 lb-in) to 800,000 Nm (7,080,000 lb-in) Operating pressure: from 15 barg (290 psig) to 105 barg (1600 psig) Standard design construction allows operating temperature from: -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Supply medium Sweet Gas - Nitrogen. Special versions are available for Sour Gas or H2 Scotch Yoke PATENTED Guide Bar hard chromium plated minimizing guide block swing extending piston rod lifespan under heavy load &/or continuous modulating duty and avoiding any side load on valve stem. Excellent surface finish and self lubricated bearings accomplish higher overall efficiency. External Tie Rod External tie-rods, zinc based chemical coating which resists 500 – 1000 hours of salt fog, maintain cylinder integrity. Symmetric or canted yoke Gas Over Oil Actuator are available with either symmetric or canted yoke design to cover as closely as possible valve resistive torque profile. Water ingress protection Totally enclosed and weather-proof actuator is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X Specifications. Materials Cylinder Tube & all [...] Read more

QTH Hydraulic Actuators Series Higher efficiency and cost effective solutions: “QT” Scotch Yoke Series introduce a new generation of patented mechanism. QT Series are suitable for all modulating as well as heavy-duty services fitting any quarter-turn (90 deg) application. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting & Spring Return Symmetric or canted yoke design Hydraulic power supply (up to 350 BARG) Output Torque Up to 800.000 Nm Standard temperature range -30°C +90°C Low temperature version -60°C + 90°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum SIL3 Capable according to IEC 61508 Corrosion resistant cylinder Manual Override available Protected travel stops are standard Modular concept Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components 3.1 Certified according to EN10204 Key Features & Advantages Operating Range The Double-acting models are available with individual test and output torque ranging from 1500 Nm (13,250 lb-in) to 800,000 Nm (7,080,000 lb-in) The Single acting models deliver spring ending torque ranging from 1,800 Nm (15,900 lb-in) to 220,000 Nm (1,947,165 lb-in) Operating pressure ranges between 20 barg (290 psig) to 350 barg (5.000 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Supply medium Hydraulic oil mineral based (standard). Special versions are available for water-based fluids Scotch Yoke PATENTED Guide Bar hard chromium plated minimizing guide block swing extending piston rod lifespan under heavy load &/or continuous modulating duty and avoiding any side load on valve stem. Excellent surface finish and self lubricated bearings accomplish higher overall efficiency. External Tie Rod External tie-rods, zinc based chemical coating which resists 500 – 1000 hours of salt fog, maintain cylinder integrity. Symmetric or canted yoke QT Series is available with either symmetric or canted yoke design to cover as closely as possible valve resistive torque profile. Water ingress protection Totally enclosed and weather-proof actuator is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X Specifications for submerged and high pressure water deluge applications. Materials Cylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminium. All pressure containing parts are supplied with 3.1 Certificate according to EN10204. Designed according to PED (97/23 CE) Directive. Corrosion Prevention Cylinder [...] Read more

QTG Direct Gas Actuators Series QTG actuators are used for on/off control of any natural gas transmission ball or plug valve by means of a high-pressure natural gas or nitrogen actuator supply. They introduce a new generation of patented mechanism which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting & Spring Return Symmetric or canted yoke design Sweet Gas or Sour Gas supply (H2S<=6% ) up to 105 BARG Standard temperature range -30°C +93°C Low temperature version -60°C + 93°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum Manual Override available Protected travel stops are standard Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components 3.1 Certified according to EN10204 Basic control system including Local & Remote control Torque limiting device ESD function for low or high pressure ESD function for electric supply failure to SOV Line Break System Opening prevention for high differential pressure across the valve Key Features & Advantages Operating Range The Double-acting models are available with individual test and output torque ranging from 1500 Nm (13,250 lb-in) to 800,000 Nm (7,080,000 lb-in) The Single acting models deliver spring ending torque ranging from 1,800 Nm (15,900 lb-in) to 220,000 Nm (1,947,165 lb-in) Operating pressure ranges between 15 barg (290 psig) to 105 barg (1600 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC ((+199 degF ) Low temperature option extends operating range down to -60 degC (-76 degF) Supply medium Sweet Gas - Nitrogen. Special versions are available for Sour Gas or H2 Scotch Yoke PATENTED Guide Bar hard chromium plated minimizing guide block swing extending piston rod lifespan under heavy load &/or continuous modulating duty and avoiding any side load on valve stem. Excellent surface finish and self lubricated bearings accomplish higher overall efficiency. External Tie Rod External tie-rods, zinc based chemical coating which resists 500 – 1000 hours of salt fog, maintain cylinder integrity. Symmetric or canted yoke QT Series is available with either symmetric or canted yoke design to cover as closely as possible valve resistive torque profile. Water ingress protection Totally enclosed and weather-proof actuator is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X Specifications for high pressure water deluge [...] Read more

LAP Pneumatic & LAH Hydraulic Actuator Series DVG Automation “LA” linear actuator series are compact in design and are suitable to operate every type of linear valve either in modulating or heavy-duty services. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Compact design Suitable to operate every type of linear valve Double acting & Spring return Pneumatic power supply (up to 12 Barg) Hydraulic power supply (up to 350 Barg) ON-OFF or Modulating Service Output Trust up to 1.500.000 N (Cylinder) Output Trust up to 300.000 N (Spring) Standard temperature range -30°C +90°C Low temperature version -60°C + 90°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4X & 6 as minimum SIL3 Capable according to IEC 61508 Corrosion resistant cylinder Standard travel stops protected Hydraulic manual override / Dumping System Coupling joint in stainless steel Pressure retaining components and power springs 3.1 Certified according to EN10204 Key Features & Advantages Operating Range Pneumatic operating pressure for the LAP pneumatic series ranges between 3 barg (45 psig) to 12 barg (175 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Supply medium Instrument air, nitrogen, sweet gas. Special version available for sour gas. Hydraulic operating pressure for the LA hydraulic Series ranges between 20 barg (290 psig) to 350 barg (5.000 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Hydraulic oil mineral based . Special versions are available for water based fluids Externali Tie Rod External tie-rods, coated with a zinc based chemical layer which resists 500 – 1000 hours of salt fog, maintain cylinder integrity. Water ingress protection Totally enclosed and weather-proof actuator is engineered to meet IP66, IP67, IP67M and NEMA 4 & 4X specifications. Materials Cylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminium. All pressure containing parts are supplied with 3.1 Certificate according to EN10204. Designed according to PED (97/23 CE) Directive. Corrosion prevention Cylinder tube is internally nickel-plated lined (minimum 25µm). Nickel-plating layer can be increased upon request. External coating provides higher reliability in harsh environmental conditions as per ISO 12944 (Expected Durability) and in compliance with NORSOK M-CR-501 requirements. Hard [...] Read more

HSP Pneumatic & HSO Hydraulic Actuator Series DVG Automation “HS” Helical Slot actuator series are extremely compact in design and are suitable to operate every kind of quarter turn valve. This high efficiency design that trasform the piston linear movement into a quarter turn rotation make them the ideal solution in case of space-costrained installation like FPSO vessels and platforms, Offloading buoys and manifolds, ESD and High-Integrity Pressure Protection Systems ( HIPPS). ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Suitable to operate every type of quarter turn valve Double acting & Spring return Pneumatic power supply up to 12 Barg Hydraulic power supply up to 380 Barg Torque range from 100 Nm up to 170.000 Nm Standard temperature range -30°C +93°C Low temperature version -60°C + 93°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP66M / IP68M certification as a standard SIL3 Capable according to IEC 61508 Independent open/close travel stops protected and adjustable +/- 5° Hydraulic Hand Pump / Handwheel / Dumping System available upon request with no or reduced impact on actuator dimensions Pressure retaining components and power springs 3.1 Certified according to EN10204 Key Features & Advantages Operating Range Pneumatic operating pressure for the HSP pneumatic series ranges between 3 barg (45 psig) to 12 barg (175 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Supply Medium Instrument air, nitrogen, sweet gas. Hydraulic operating pressure for the HSO hydraulic Series ranges between 20 barg (290 psig) to 380 barg (5.500 psig) Standard design construction allows operating temperature from -30 degC (-22 degF) to +93 degC (+199 degF) Low temperature option extends operating range down to -60 degC (-76 degF) Scotch Yoke Hydraulic oil mineral based. Special versions are available for water based fluids. Reduced footprint within valve template even for spring return actuator Direct coupling to valve top work; The actuator directly fits valve top work with no need for intermediate spool or coupling joint Center of Gravity in line with valve body Parabolic torque profile can be customized by changing slot angle and profile Environmental protection Completely enclosed design without external tie rods. Cylinder tube is internally nickel-plated lined (minimum 25µm). External coating provides higher reliability in harsh environmental conditions as per ISO 12944 (Expected Durability) and in compliance with NORSOK [...] Read more

Electro Hydraulic Series DVG Automation Electro Hydraulic Units are the right solution for emergency shutdown and fail safe application. In case of loss of electrical power, the accumulator maintains reserve hydraulic power for a defined number of piston strokes. These unit are a total closed loop system and have no exhaust to atmosphere. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Offshore and corrosive resistant materials of construction. Electric Power consumption according with project requirement. Operating Pressure up to 350 Barg (5000 Psig) Standard temperature range -30°C +85°C Low temperature version -60°C Nitrogen bottles and accumulator in accordance with ASME VIII div1 or required applicable standard (PED, AS, BS, ..). Piston or bladder type accumulator. Electrical classification according to ATEX or comparable UL/FM standards. PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum SIL3 Capable according to IEC 61508 Mineral based oil or biodegradable hydraulic fluid. Relay based control logic or termination to interface with Motor Control Centre Customer logic. Manual Hydraulic Hand Pump for emergency operation to be used either to recharge accumulator or to stroke the actuator. Standard Feature For On Off Service Single or Dual motor and pump power source Self standing frame of various materials according to customer requirements. Accumulator sized for “N” off piston strokes. Stainless Steel oil reservoir with inlet filling filter, dehydrator and relief valve. Manual hydraulic hand-pump for emergency operation Manifold mounted controls to minimize tubing and potential leakage. Heavy duty components for severe service. Options Low oil level switch Oil temperature monitoring Hydraulic pressure monitoring Indication lamps / local electric control Key Features & Advantages All Electro Hydraulic Units are designed and built using the highest quality materials and hydraulic components. Every Electro Hydraulic power unit is custom engineered and manufactured to meet the most stringent requirements and project specifications. Offshore and corrosive resistant materials of construction. Electric Power consumption according with project requirement. Nitrogen bottles and accumulator in accordance with ASME VIII div1 or required applicable standard (PED, AS, BS, ..). Piston or bladder type accumulator. Electrical classification according to ATEX or comparable UL/FM standards. Mineral based oil or biodegradable hydraulic fluid. Relay based control logic or termination to interface with Motor Control Centre customer logic. Manual Hydraulic Hand Pump for emergency operation to be used either to recharge accumulator or to stroke the actuator. Certifications & Catalogue Certifications & Degree [...] Read more

BYG Direct Gas Actuators Series BYG actuators are used for on/off control of any natural gas transmission ball or plug valve by means of a high-pressure natural gas or nitrogen actuator supply. DVG introduce a new generation of patented mechanism which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting & Spring return Symmetric or canted yoke design Sweet Gas or Sour Gas supply (H2S<=6% ) up to 105 BARG Output Torque Up to 13.000 Nm Standard temperature range -30°C +93°C Low temperature version -60°C + 93°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum SIL3 Capable according to IEC 61508 Manual Override available Protected travel stops are standard Modular concept Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components 3.1 Certified according to EN10204 Basic control system including Local & Remote control Torque limiting device ESD function for low or high pressure ESD function for electric supply failure to SOV Line Break System Opening prevention for high differential pressure across the valve Key Features & Advantages Operating Range The Double-acting models are available with individual test and minimum output torque ranging from 40 Nm (350 lb-in) to 13,000 Nm (115,059 lb-in) The Single acting models develops spring ending torque ranging from 41 Nm (362 lb-in) to 4693 Nm (41536 lb-in) Operating pressure ranges between 15 barg (290 psig) and 105 barg (1600 psig) Standard design construction allows operating temperature from -30 degC (-20 degF) to +93 degC (+199 degF) Low Temperature extended operating range down to -60 degC (-76 degF) Supply Medium Sweet Gas - Nitrogen. Special versions are available for Sour Gas or H2 Scotch Yoke Patented Mechanism which reduced mechanical clearances between cylinder piston rod and driving module. Mechanism Guide System Patented Dual Guide Bar hard chromium plated to minimize driving block swing extending piston rod lifespan under heavy load &/or continuous modulating duty. Symmetric or canted yoke BY Series is available with either symmetric or canted yoke design depending on valve torque profile demand. Swept Volume Reduced gas consumption with higher efficiency Water ingress protection Totally enclosed and weather-proof actuator center-body is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X specifications for high pressure water deluge application. Materials Cylinder Tube [...] Read more

BYH Hydraulic Actuators Series BYH are suitable for all modulating as well as heavy-duty services fitting any quarter-turn (90 deg) application. Construction and design make this product ideal for FPSO vessels, skid manufacturers and wherever space constraints and overall weight issues may arise. ASK FOR QUOTATION Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting & Spring Return Symmetric or canted yoke design Hydraulic power supply (up to 350 BARG) Output Torque Up to 13.000 Nm Standard temperature range -30°C +93°C Low-temperature version -60°C + 93°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum SIL3 Capable according to IEC 61508 Corrosion resistant cylinder Manual override available Protected travel stops are standard Modular concept Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components 3.1 Certified according to EN10204 Key Features & Advantages Operating Range The double-acting models are available with individual test and guaranteed minimum output torque ranging from 40 Nm (350 lb-in) to 13,000 Nm (115,059 lb-in) The single acting models develop spring ending torque ranging from 41 Nm (362 lb-in) to 4693 Nm (41536 lb-in) Operating pressure ranges between 10 barg (30 psig) and 350 barg (5076 psig) Standard design construction allows operating temperature from -30 degC (-20 degF) to +93 degC (+199 degF) Low Temperature extended operating range down to -60 degC (-76 degF). Scotch Yoke Patented Mechanism which reduced mechanical clearances between cylinder piston rod and driving module. Mechanism Guide System Patented Dual Guide Bar hard chromium plated to minimize driving block swing extending piston rod lifespan under heavy load &/or continuous modulating duty. Symmetric or canted yoke BY Series is available with either symmetric or canted yoke design depending on valve torque profile demand. Swept Volume Reduced air consumption with higher efficiency Water ingress protection Totally enclosed and weather-proof actuator center-body is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X specifications for submerged and high pressure water deluge application. Materials Cylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminum. All pressure containing part are supplied with 3.1 certificate according to EN10204. Designed according to PED (97/23 CE) directive . Cylinder tube is internally nickel-plated lined (minimum 25µm). Nickel-plating layer can be increased upon request. Seal Teflon ring with external charging O-ring and internal sealing O-ring prevents sticking phenomena [...] Read more

BYO Gas over oil Actuators Series BYO actuators are used for on/off control of any natural gas transmission ball or plug valve by means of a high-pressure natural gas or nitrogen actuator supply. DVG introduce a new generation of patented mechanism which minimizes wearing effect on all loaded & sliding parts, thus extending overall lifespan. ASK FOR QUOTATIONDOWNLOAD MEDIA Specifications Features & advantages Certifications & Catalogue Write to us Specifications Quarter turn SCOTCH YOKE Mechanism Double Acting Symmetric or canted yoke design Sweet Gas or Sour Gas supply (H2S<=6% ) up to 105 BARG Output Torque Up to 13.000 Nm Gas Over Oil tanks, certified according to International Standard and Customer request Hydraulic manual override Standard temperature range -30°C +90°C, Low temperature version -60°C +90°C PED 2014/68/UE Compliant ATEX 2014/34/UE Compliant IP67M, NEMA 4, 4x & 6 as minimum Corrosion resistant cylinder Protected travel stops are standard Actuator in carbon steel – NO Aluminum NO Cast Iron Pressure retaining components 3.1 Certified according to EN10204 Basic control system including Local & Remote control Torque limiting device ESD function for low or high pressure ESD function for electric supply failure to SOV Line Break System Opening prevention for high differential pressure across the valve Key Features & Advantages Operating Range The Double-acting models are available with individual test and minimum output torque ranging from 40 Nm (350 lb-in) to 13,000 Nm (115,059 lb-in) Operating pressure ranges between 15 barg (290 psig) and 105 barg (1600 psig) Standard design construction allows operating temperature from -30 degC (-20 degF) to +93 degC (+199 degF) Low Temperature extended operating range down to -60 degC (-76 degF) Supply medium Sweet Gas - Nitrogen. Special versions are available for Sour Gas or H2 Scotch Yoke Patented Mechanism which reduced mechanical clearances between cylinder piston rod and driving module. Mechanism Guide System Patented Dual Guide Bar hard chromium plated to minimize driving block swing extending piston rod lifespan under heavy load &/or continuous modulating duty. Symmetric or canted yoke BY Series is available with either symmetric or canted yoke design depending on valve torque profile demand. Swept Volume Reduced gas consumption with higher efficiency Water ingress protection Totally enclosed and weather-proof actuator center-body is engineered to meet IP66, IP67 IP67M and NEMA 4 & 4X specifications Materials Cylinder Tube & all structural parts are manufactured in carbon steel material: no cast/grey iron or aluminum. All pressure containing part are [...] Read more