The right valve stem seal increases efficiency by minimizing product loss ... A rotary valve has a shaft extending out the side of the valve that is connected to a plug, disc, or ball. As the shaft ...

Learn the essential maintenance practices for ball valves in high-pressure systems. Discover how proper care ensures durability, efficiency and safety.

If your bike has Presta valves on its rims or tubes, you'll know that pumping the tires can be a fiddly business. The Zilch floor pump is claimed to address that problem, with head seals that don't ...