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Water Industry Couplings 

Easy access – drive reset in minutes. 
Wedge construction gives maximum rigidity with no backlash. Ideal for indexing or reversing drives. 
Clamping screws give positive axial location. Shear neck cannot be displaced from correct position between flanges. 
Equal load sharing with multiple pins on high torque drives. Very high capacity within compact dimensions. 
Shear necks are standardised and colour coded, giving safe, tamper proof repeatability and spares economy. 
“Fail-safe” under all conditions. Not affected by changes in temperature or humidity. Ability to release not dependent on mechanism lubrication. 
The most effective method of protecting rotating machinery from overload is a simple shearpin. Proved to be reliable for long term protection on slow running / high torque drives, a shearpin gives full strength directly as a frictionless drive load. 
Howdon can make any of its standard units in 304SS or 316SS or with a trip pin on the back of the hub to trigger a switch. We can offer bespoke units to suit your requirements. 
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