This window permits observation of internal parts or allows a quick check on the level or condition of oil. The CW-20 is identical with the addition of a reflector.
Designed for multiple use, these gauges are made for insertion in tapped els, tees or other NPT fittings and are easily installed and removed with a wrench. Turned from solid hexagon rod, this rugged unit comes factory assembled with clear glass window firmly held between two gaskets by rolled edge of body. Recommended maximum pressures […]