H.Duty Metropolitan (Thames) Valve Key
The Metropolitan (Thames) valve key designed to operate hydrant valves can be supplied in three socket sizes. These are listed below:
Standard Socket 35mm square socket (Designed to fit valves on pipe sizes of 2” – 12”)
Jumbo Socket 42mm square socket (Designed to fit valves on pipe sizes of 14” – 20”)
Euro Socket 48/50mm square socket (Designed to fit valves on pipe sizes of 27” – 48”)
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