G&S Valves Ltd
Manufacturing Bespoke Engine Valves Since 1946
An Overview of G&S Valves
G&S Valves Ltd. specialises in manufacturing a wide range of valves, from 'one off' prototypes for engine development, up to ongoing scheduled contracts for larger companies. We have received approved supplier status from many of the major OEM and high performance manufacturers.
We are the ONLY British manufacturer of these specialist components, supplying such organisation as:
• Cosworth ‘Approved Supplier Scheme’
• Rolls Royce Motor Cars ‘Supplier Assessments’
• Varity Perkins ‘Approved Supplier’
• Various Vintage Motor Car & Motorcycle Clubs
TO CONTACT US TODAY PLEASE CALL +44 (0) 1483 415444
The History of G&S Valves
G&S Valves Ltd. was founded on July 13th 1946 by Mr. Harry Grenside and his partner Mr. Ralph Saunders, the company was originally known as G&S Motors located in a small factory in Milford, Surrey, England.
In 1947 G&S Valves acquired its first major customer, Petters of Staines. By 1959 the work load had increased so much that new premises had to be found. This was to be a purpose built factory in Catteshall Lane, Godalming, when the name changed to G&S Valves.
Over the next few years the range of valves produced was increased to include those for competition engines and racing cars as well as for the English motor cycle industry. During this time they earned a reputation as a high quality engine valve manufacturer, supplying the likes of:
•Cosworth Racing
•Lotus
•Ford Competition Department
•and many others.
In 1974 Mr. Robert Grenside & Mr. Neville Nichols took over control of G&S Valves Ltd. and continued to improve quality of the valves produced. 1980 saw the purchase of a Forge, based in the West Midlands, which Mr. Trevor Abbotts, formally from TRW, took control of this new acquisition allowing us to make purpose made forgings for the ever increasing valve business.
Due to the increasing complexity of some of the shapes required by some of our racing customers, G&S Valves had to purchase a number of CNC Lathes and Grinders to produce these new designs. With this came the need to install a CAD system to create the drawings needed.
In 1991 Mr. Andrew Grenside joined the company and used his knowledge in computers to set up this new system. This new set-up has improved the production techniques and quality of all of valves produced at G&S, and is looking forward to new challenges in the forthcoming years.
Where you can come and meet us!
We willl post here when G&S Valves Ltd. are next exhibiting.
What We Do
G&S Valves Ltd. can offer you a complete valve, from start to finish. We hold a comprehensive stock of high quality valve steels and can upset forgings from a vast range of die forms to produce suitably close limit forgings to suit most applications. We have the facilities to perform various types of heat treatments, bi-metal valves and hard cobalt based deposit seat facing.
Our manufacturing process starts life as a plain steel rod which is then electrically upset to form a bunt, then forged into a close limit forging. After being forged the valve goes through a number of machining and grinding operation before final inspection in our quality department.
After final inspection, we can offer a pulsed plasma treatment (in house) as well as various treatments.
After treatment surface hardness is then checked in our metallurgy lab.
Before final inspection in our quality department.
Terminology
For description of the various valve dimensions, please download our PDF guides:
Manufacturing Time
Delivery time will be approx 6 - 8 weeks from receipt of order depending on the final specification of the required valve.
Payment Terms
Payment terms are 50% on start of production, balance on completion, PAYMENT CAN NOW BE MADE BY CREDIT CARD; A 2.5% FEE WILL BE ADDED FOR CREDIT CARD PAYMENTS; DEBIT CARD PAYMENTS DO NOT INCUR A FEE..
Warranty Conditions
G&S Valves Ltd. will look at any warranty problem very sympathetically and understandably. We cannot accept any responsibility for any failures of our valves in racing applications.
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