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Valves

G-BLOK VALVE SOLUTIONS

The G-BLOK range includes a comprehensive selection of standard and specialized valves, including API 6A/6D/6DSS valves, double block and bleed ball valves, and slimline compact monoflanges. These valves are specifically designed to meet the stringent requirements of the oil and gas, petrochemical, and power generation industries.

G-BLOK valves are custom-engineered to address the specific

demands of various project applications, including pipeline and instrumentation, topside or subsea/deep-sea environments, and conditions involving high or low temperatures, as well as corrosive or hazardous fluids. The design of G-BLOK valves integrates features developed through extensive laboratory and field testing, ensuring exceptional performance and reliability.

All G-BLOK valves are forged in-house and are available in a wide range of materials to meet all operational requirements. G-BLOK valves demonstrate our commitment to innovation, durability, and excellence in valve technology.

Utilizing Advanced/Lean Manufacturing techniques, valves can be produced in-house for fast-track delivery. This approach ensures a swift response to urgent project timelines, without compromising on quality and allows for fabrication of complex geometries tailored to meet specific operational requirements.

Legacy-Service Valves

  • G-Blok Modular DBB/SBB Ball, Needle and Gate Valves for instrumentation
  • G-Blok Modular DBB/SBB Ball, Needle and Gate Valves for process
  • G-Blok Ball Valves for process

Range

  • NPS 1/2 to NPS 2
    DN 15 TO DN 50
  • NPS 1/2 TO NPS 2
    DN 15 TO DN 600
  • NPS 1/2 TO NPS 48
    DN 15 TO DN 1200
  • UP TO ASME 4500
    UP TO API 15000psi
  • UP TO ASME 4500
    UP TO API 15000psi
  • UP TO ASME 4500
    UP TO API 15000psi
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Subsea Valves

  • G-Blok Subsea Valves and Actuators (GRP Rack & Pinion Hydraulic and GHS Compact Hydraulic)

Range

  • NPS 1/2 TO NPS 48
    DN 15 TO DN 1200
  • UP TO ASME 4500
    UP TO API 15000psi
G blok subsea galperti

Severe Service Ball Valves

  • G-Blok Metal-to-Metal Floating Ball Valves for severe services applications

Range

  • NPS 1/2 TO NPS 24
    DN 65 TO DN 600
  • UP TO ASME 4500
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Hydrogen Service Valves

  • G-Blok Ball Valves for hydrogen service

Range

  • NPS 1/2 TO NPS 12
    DN 15 TO DN 300
  • UP TO ASME 2500
G blok h2 Galperti
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Officine Nicola Galperti e Figlio S.p.A.

Officine Nicola Galperti e Figlio, with fully vertically integrated forging, heat treatment, and machining capabilities, is recognized as a worldwide leader in flange manufacturing.

The company delivers high-quality forged materials through consistent, large-scale production processes.

Supported by facilities in Dervio, Gera Lario, and Cercino, it combines industrial expertise and manufacturing capacity to ensure a reliable supply of materials for high-end sectors that demand the highest standards of quality, traceability, and reliability.

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