174 Spec is National Coal Board specification still used underground (UK only).  For all other applications please refer to standard products - see links for related product below.
Pressure Ratings      Nut Tightening Torques
	
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Description
174 Spec is National Coal Board specification still used underground (UK only).  For all other applications please refer to standard products - see links for related product below.
Pressure Ratings      Nut Tightening Torques
Technical Details
                                
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Related Products