Donkin type spring 399.620WG

Donkin type spring 399.620WG, setting 9

Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

License this image for commercial use at Science and Society Picture Library

License

Donkin type spring 399.620WG, setting 9
Science Museum Group
© The Board of Trustees of the Science Museum

Donkin type spring 399.620WG, setting 9.8, gas meter service governor to restrict the pressure to 22mbar, straight connection, 1950-1990.

Details

Category:
Gas Industry
Object Number:
1995-697
Materials:
object, cast aluminium
Measurements:
excl. pipes: diameter 100 mm
height 110 mm
type:
govermor
credit:
British Gas plc. South Eastern