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valve wrench

valve wrench, Total:4 items.

In the international standard classification, valve wrench involves: Hand-held tools, Valves, Fasteners, Pipeline components and pipelines.

German Institute for Standardization, valve wrench

• DIN 3223:2012 Handling keys for valves
• DIN 3223:1974 Handling keys for valves
• DIN 475-1:2016 Widths across flats for bolts, screws, valves and fittings

Professional Standard - Machinery, valve wrench

• JB/T 93-2008 Components of valves-Spanner, handles and handwheels

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