GA Valves Ltd

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.

Website

www.gavalves.co.uk

Email Address

sales@gavalves.co.uk

Address

PO Box 5,
Brighouse,
West Yorkshire,
HD6 3UD,
Other,
United Kingdom

Phone

+44 1484 711983

Fax Number

+44 1484 719848

GA Valves provide air valves, and air vent and vacuum solutions applications in 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, an inflow and outflow check device for one-way airflow, and a 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 the 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.

White Papers

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.
Air Valves for Offshore and Seawater Applications

Air Valves for Offshore and Seawater Applications

Press Releases

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
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
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.

Projects

Girassol FPSO, Luanda, Angola

Girassol is one of the four major production hubs of Block 17, which is operated by TotalEnergies.
Hibernia Oil and Gas Field Project, Newfoundland, Canada

Hibernia is located in the Jeanne d’Arc Basin, 315km east of St John’s, Newfoundland and Labrador, Canada, in a water depth of 80m.
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.
Bonga Deep-water Project, Niger Delta, Nigeria

Bonga is the first deepwater project for the Shell Nigeria Exploration and Production Company (SNEPCO) and for Nigeria.
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.
Elgin-Franklin Offshore Field, North Sea

Elgin and Franklin lie 93m deep in the water the UK North Sea's Central Graben, approximately 240km east of Aberdeen.
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.
Ormen Lange Gas Field Project, North Sea Northern

The Ormen Lange field is located in the Norwegian Sea, approximately 140km west of Kristiansund, Norway.
Brutus Oil and Gas Field Project

Brutus is located 165 miles south-west of New Orleans, USA.
Snorre Oil and Gas Field Project

The Snorre field lies in blocks 34 / 4 and 34 / 7, approximately 200km west of Floro in the Norwegian North Sea.
Sakhalin Energy Oil and Gas Field Project

Sakhalin I consists of the development of the Odoptu field (oil and gas, discovered in 1977) and the Chayvo field (mainly gas, discovered in 1979).
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.
South Arne Oil and Gas Project, Danish North Sea

South Arne is located in the Danish sector of the North Sea, in block DK 5604/29.
Triton Oil Field, North Sea Central

The three Triton fields lie in the North Sea, 190km east of Aberdeen.
Viking B Gas Field Project, North Sea Southern

With its original reservoirs gradually depleting, Conoco has begun to carry out substantial changes to extend Viking B's field life well into the next century.
Visund Oil Field Project, North Sea Northern

Visund was developed using a semi-submersible steel drilling, production and quarters platform, connected to a subsea completion system.
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.
Shearwater Gas Field Project, North Sea Central

Shearwater lies in the Central Graben area of the central North Sea, approximately 200km east of Aberdeen in 90m (995ft) of water.
Phase II of the Ekpe field development project

The Ekpe gas compression platform is located in a water depth of 50m.
Alba Phase II, North Sea Northern Project

Alba is located in block 16 / 26, 130 miles north-east of Aberdeen. The field lies in a water depth of approximately 138
Åsgard North Sea Northern, Statoil oilfield project

The Åsgard oilfield lies on the Haltenbank in the Norwegian Sea, 200km from Norway and 50km south of Statoil's Heidrun field.
Banff Oil Field Project, North Sea Central

The Banff field lies 25km south east of the Gannet accumulations in the Central North Sea, 200km east of Aberdeen, UK.
Conoco and Chevron gas field project

The Britannia field, discovered in the mid 1970s, is the first in the UK sector of the North Sea to be operated jointly
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.
Erskine oil and gas field project

Erskine was originally discovered in 1981, during the drilling of a north / south trending Jurassic sandstone reservoir. M
Statoil and BP oilfield project

The Shah Deniz oilfield lies between Mobil's Oquz, Chevron's Asheron and Exxon's Nakhchiuan fields. Its name is transla