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British Made Check Valves: Goodwin International, the total quality valve manufacturer, is located in the heart of England.

Goodwin's ISO 9001-2008 accredited Check Valve manufacturing facilities, located in Stoke-on-Trent, England, comprises of a well equipped CNC machine shop with full design, fabrication, inspection and test facilities Goodwin International) and a Steel and Super Nickel Alloy foundry ( Goodwin Steel Castings )


With in-house grit blasting (ferrous and non-ferrous) and humidity controlled ovens, Goodwin has the in-house painting capability to meet a wide spectrum of customer specifications ranging from single coat systems to typical multi-coat epoxy and polyurethane systems for offshore environments.

Goodwin International

Aerial view of Goodwin International's manufacturing facility, Stoke-on-Trent, England.

Goodwin Steel Castings

Aerial view of the Goodwin Steel Castings foundry, Stoke-on-Trent, England.


Goodwin Steel Castings specialises in producing high integrity, pressure vessel castings from a few kilos to 18,000 kg in weight in carbon and low alloy steels, stainless steels, duplex stainless steels and super nickel alloys such as Hastelloy and Alloy 625.


To be globally competitive, Goodwin International buys its materials on a global basis from a small number of foundries and forges with which it has long term association. Goodwin has full-time in-country employees in the countries from which it sources to continually audit the quality of material sourced.


Valve design is carried out using 3D CAD and is verified on computers using ANSYS finite element analysis and Flow Simulation programmes.


Goodwin International has a fully equipped machine shop covering some 14,100 m2 with 36 modern CNC machine tools.

Test and Inspection

The test facilities include six hydraulic hydrostatic test rigs, the largest of which has a 2500 tonne hydraulic ram, and two high pressure pneumatic test rigs capable of testing to 20000 psig (1,380 barg).

Cryogenic Testing

At Goodwin International's cryogenic test facility, cryogenic (-196oC) and low temperature (-50oC) testing is conducted in accordance with Shell's MESC SPE 77/200 specification or like procedure. Goodwin can accommodate most clients' testing regimes.

High Pressure Gas Testing

Goodwin has its own high pressure gas test facility where it can test valves in-house as large as 72" to pressures of 20000 psig / 1380barg.