Product DescriptionThis THREE-WAY VALVE provides an easy and safe method of venting pressure when charging dry chemical and other low-pressure fire extinguishers. After reaching the correct extinguisher pressure and installing the extinguisher's pull pin, a half turn of the three-way valve handle instantly bleeds off the pressure between the 3WV and the extinguisher (with minimal loss of nitrogen) for safe removal of the quick disconnect (QDC or QDC2). Use the 4HN nipple to attach the quick disconnect. Maximum pressure is 500 psi.
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