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G.A. Valves Sales

Air Vent, Vacuum and Air Release Valves for Seawater Duty

GA Valves provide air valves, and air vent and vacuum solutions applications the oil and gas, petrochemical, marine and water utilities industries.

PO Box 5,
West Yorkshire,
HD6 3UD,
United Kingdom
Air valves

GA Valves provide air valves, and air vent and vacuum solutions applications the oil and gas, petrochemical, marine and water utilities industries.

Air valves for the offshore sector

Offering a wide range of exotic materials, GA Valves specialises in valves to the offshore industry.

The company focuses on working with the client to finalise the specification and valve sizing and to ensure agreed deliveries, certification and documentation requirements are met.

Manufactured in the UK, GA Valves make components in various materials that give high protection in adverse environments associated with offshore applications, seawater, service or indeed any other arduous environments. These materials include super duplex, titanium, duplex, stainless-steel, 6Mo Hastelloy®, Monel®, Inconel®, aluminium bronze and gunmetal.

6in air vent / vacuum valve in super duplex with surge arrestor.
2in air vent / vacuum valve in Gunmetal.
1in air vent / vacuum valve in titanium with flanged outlet.
2in air vent / vacuum valves in Ali Bronze with inflow check device
2in air vent / vacuum valves in Super duplex with flanged throttle device.
4in air vent / vacuum valve in aluminium bronze.
Class 300 air release valve in aluminium bronze with 1in flanged outlet.
2in air release air vent / vacuum valve in aluminium bronze with inflow check device.
1in air vent / vacuum valve in stainless-steel and NORSOK-approved paint with outflow check device.
2in air vent / vacuum valve in super duplex with flanged throttle device and butterfly valve.

The company’s air valves come with a wide range of detailed material testing to meet each project requirement, and are available with various functions, including:

  • Air release (small orifice)
  • Air vent and vacuum (bi-function)
  • Air release, vent and vacuum (tri-function)

Valves are customisable with options such as a variable throttle device to give adjustable venting control, inflow and outflow check device for one-way airflow, and flanged outlet for piping away facility.

Valves can be coated to suit specific applications with a choice of rilsan nylon, fusion-bonded epoxy or to customer’s specifications and colours.

GA Valves also use UK foundries that are NORSOK M-650 approved and any raw materials are from within the UK and EU.

Isolation valves

Isolation valves can be supplied with a choice of ball, globe, butterfly or gate valves, with flanged or screwed connections to suit the air valves or individual use.

GA Valves is accredited to BS EN ISO 9001/2000 by Lloyds, and complies with Achilles First Point Assessment (FPAL) for suppliers to the oil and gas industry.

Piston control valves

GA industries USA manufactures a full range of pilot operated differential piston control valves.

Pressure control valves

Dorot’s range of control valves includes pilot-operated diaphragm control valves for a wide range of applications and materials, including:

  • Pressure reduction, sustaining or relief
  • Flow / level control
  • Solenoid-operated
  • Deluge
  • Combination of any of these functions

Fire protection control valves

GA Valves offers a full range of fire protection control valves for use on any water supply application, including water flow for deluge, pre-action or foam-water type sprinkler systems.

Custom-built valves and special UV-protected coatings are also available.

Complete Valve Solutions

With more than 26 years enviable experience in the UK and overseas markets, GA Valves Sales provides a comprehensive package in design, manufacture and distribution of a range of engineered waterworks valves and associated ancillary equipment to the water process and allied industries.

Girassol FPSO, Luanda, Angola

Girassol is one of the four major production hubs of Block 17, which is operated by Total and its consortium partners.

Al Shaheen Oil Field

The Dukhan field, operated by Qatar Petroleum (QP), is one of the largest producing oil fields on the west coast of the Qatar peninsula.

South Pars

The South Pars field located in Iran is the northern extension of Qatar’s giant North Field. It covers an area of 500 square miles and is located 3,000m below the seabed at a water depth of 65m.

Prirazlomnoye Oilfield

The Prirazlomnoye oilfield is located south of Novaya Zemla in northern Russia on the Pechora sea shelf, at a distance o

Bayu-Undan, Timor Sea

Bayu-Undan is located 500km offshore Darwin, Australia, in the Timor Sea, and is 250km south of East Timor.

Kashagan Offshore Oil Field

Discovered in July 2000, Kashagan was described as the largest field found in the past 30 years, the largest outside of the Middle East, with a projected output close to that of the Ghawar field in Saudi Arabia.

Valhall Oilfield, North Sea

The Valhall field was discovered in 1975 and came online in 1982. It is operated by BP, which holds a 35.95% interest while the remaining 64.05% interest is held by Hess Norge.

Jasmine Gas Field Project, North Sea, United Kingdom

The Jasmine field is situated in blocks 30/6 and 30/7a of the central North Sea. The gas and condensate field lies at a water depth of 266ft and is considered to be the UK's largest discovery since the mid-1990s.

Ekofisk II

The original Ekofisk area development consisted of eight oil and gas fields, namely Cod, Ekofisk, West Ekofisk, Tor, Albuskjell, Eldfisk, Edda and Embla.

Azeri-Chirag-Gunashli Oilfield

The Azeri-Chirag-Gunashli (ACG) field lies 120km off the coast of Azerbaijan in 120m of water and contains 5.4 billion barrels of recoverable oil.

Buzzard Field

The Buzzard field is located in the Outer Moray Firth, central North Sea, 100km north-east of Aberdeen, UK, and 55km from the coast at Peterhead.

Hanze F2A

Hanze was Veba Oil's (now Petro-Canada's) first operatorship and the largest field to be developed in the Dutch North Sea.

Petro-Canada oilfield project

The Terra Nova field is located 350km east-south-east (ESE) of St John's Newfoundland and 35km south-east of Hibernia.

Jotun Oil and Gas Field Project

The Jotun field is located on the Utsira High, between the Balder and Heimdal fields, approximately 200km west of Stavanger, Norway.

Sable Island Offshore Energy Project

The Sable Offshore Energy Project lies near Sable Island, 10km to 40km north of the edge of the Scotian Shelf, offshore Nova Scotia, in water depths ranging between 20m and 80m.

Bruce Phase II, North Sea

The Bruce field was originally developed under phase I, using two bridge-linked platforms, both connected to the main 32in Frigg trunkline by a 6km, 32in-diameter gas-export pipeline taking gas to the St Fergus Terminal.

GA Valves Releases Free White Paper

Air valves are often overlooked with little thought going into them; however they play an important part within offshore systems. They are normally required on piping systems to either vent air from a pipeline or admit air back into the system under vacuum conditions. For the water indus

5 October 2010

GA Valves Deliver Large Air Valves to Yemen LNG Project

GA Valves have successfully completed the delivery of 40-no, 6in aluminium bronze air valves to the Yemen LNG project. GA Valves worked inconjunction with Technip and Yemgas to ensure the air valves were to the correct specification, and that the in-depth documentation was completed at the releva

12 October 2008

Fire protection valves

GA Valves can now offer a full range of fire protection control valves for use on any water supply application, including water flow for deluge, pre-action or foam-water type fire protection sprinkler systems. Valves to customer specification and special UV protected coatings can also be offered.

1 December 2006

G.A. Valves Sales Limited

PO Box 5
West Yorkshire
United Kingdom

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