A hand-held, manually operated safety wrench system comprising primarily a wrench with a clamping mechanism and a ratcheting mechanism that enables the user to safely tighten and loosen hammer unions and similar high-pressure temporary flow line and pipe connections used in the oil, gas and utility industries

'clamp':16 'compris':10 'connect':43 'enabl':23 'flow':39 'gas':48 'hammer':31 'hand':3 'hand-held':2 'held':4 'high':36 'high-pressur':35 'industri':51 'line':40 'loosen':30 'manual':5 'mechan':17,21 'oil':47 'oper':6 'pipe':42 'pressur':37 'primarili':11 'ratchet':20 'safe':27 'safeti':7 'similar':34 'system':9 'temporari':38 'tighten':28 'union':32 'use':44 'user':25 'util':50 'wrench':8,13

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