Fitting exchange unit, mainly for installation in above and below ground hydrants, is for cutting off material flowing through fitting and can be installed and dismantled without problem as unit, being formed from four parts
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Safety fitment for pipeline flow prevention on building sites uses remotely punch-broached upstream sleeve opened by hydraulic or mechanical pressure
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Valve seat insert comprising parts firmly connected to one another
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Fire hydrant multi-part column parts
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Large diameter shut=off valve for liquid or gas
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Height-adjustable gas pipeline valve box
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Foldable meter rule for linear measurement with multiple set length rigid members
