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Tuf-Lok™ Ring Grip Pipe Couplings
Series 688

Dimensions & Specifications

Tuf-Lok Ring Grip Pipe Coupling Series 688/698 Drawing

Tuf-Lok Ring Grip Pipe Couplings Series 688
Tuf-Lok Ring Grip Pipe Couplings Series 688 Specifications
* Working pressure and end load are total, including equivalent loads based on
coupling properly assembled.

Specifications subject to change. 

Tuf-Lok Couplings
Bulletin 150402-1
(PDF file - 240K)
French
(PDF file - 260K)
German
(PDF file - 260K)
Portuguese
(PDF file - 145K)
Chinese
(PDF file - 326K)

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