Puts an extreme HP lubricant to work-minimising friction wear and tear.
2.
Friction wear occurs between the occluder and strut in tilting-discs, and between the leaflet pivots and hinge cavities in bileaflets.
3.
The Umnumzaan also was the first Chris Reeve folding knife to incorporate a lanyard pivot joint, which dramatically reduces the friction wear that over time destroys paracord lanyards.
4.
Impact wear and friction wear dictate the loss of material in MHV . Impact wear usually occurs in the hinge regions of bileaflets, between the occluder and ring in tilting-discs, and between the ball and cage in caged-ball valves.
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