The knurled knob which controls the cartridge release valve (CRV) needs to be
"finger tight". Over tightening the knob will not affect the ability to hold pressure and may even damage the cartridge release valve.
Sail Faster with SAILTEC
SAILTEC, Inc. has specialized in designing and building hydraulic tension and rig control for sailboats and custom marine hydraulics since 1983. Our cost effective and durable hydraulic solution, coupled with a serious dedication to customer service and product support has made SAILTEC the first production boat source for many top sailboat brands for over twenty years.
We manufacture hydraulic/pneumatic cylinders, hand pumps, and 12V & 24V electric pumps that operate to 5000 psi (350 bar) and can generate up to 100 ton of force. Our latest products include hydraulic control of hatches, transom doors, swim platforms, keel lifting, radar lifts and other specialized applications.
SAILTEC is the sailing industry's preference for marine hydraulics offering:
- Worldwide sales and service
- Standard and custom cylinders
- Exceptional factory support
- Product innovation
Better performing products at a lower price, SAILTEC is a great value
- Light-weight cylinders and pumps
- Larger piston rods for longer life and resistance to side loads
- Redundant seals for extra leak prevention and longer life
- Faster pumping speeds than comparable models in the industry
- Competitive pricing
- Broad range of cylinders, integrals and pumps with respect to stroke, speed, fit and function