Durham Foundry
Harleston Street
Sheffield
S4 7QB

T 0114 249 4977
F 0114 249 4910

castings@
durhamfoundry.com

Mike Naylor
Managing Director

Michael Mains
Accounts

 




A set of 270 pairs of gas valves, supplied fully machined, assembled and pressure tested with full traceability for both body and spool back to a certficated melt number.

Click to View Image Step 1
Each body has a unique cast on ID number (the same number being stamped on the spool) which gives traceabilty back to to a certified BS 1452 Gd 180 melt.
Click to View Image Step 2
Shell cores were used in both body and the spool to give accurate and smooth internal flow faces.
Click to View Image

Step 3
Each Valve remained as a matched pair during machining, grinding being used on the mating faces to ensure a gas tight seal. A check of the critical dimensions was included in the certification.
Click to View Image

Step 4
Each valve is pressure tested.

Click to View Image

Step 5
Completed Valve.

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