| Waterman’s CR-101 Continuous Acting Air Vent & Vacuum Relief Valve provides air and vacuum protection, insures full line capacity, and conserves pump horsepower. It is newly designed to provide sealing at pressures as low as 2 psi. The CR-101 is available in 2 inch to 4 inch sizes. | |
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CR-101 Continuous Acting Air Vent & Vacuum Relief Valve
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