Scale Calibration Weight, Class 7, 1lb Fire Sprinkler Bells Eliminates water hammer

Eliminates water hammer

Previously part number C31

NST - National Standard Thread - Most common pipe thread option

The OSYEXP is an explosion-proof supervisory switch used to monitor the open position of an outside screw and yoke type (OS&Y) gate valve

• Plug-in design with minimal intrusion into the back box

Scale Calibration Weight, Class 7, 1lb Fire Sprinkler Bells Eliminates water hammerScale Calibration Weight, Class 7, 1lb CLASS 7 WEIGHTS are for scale calibration and satisfy the amendment of CA Title 19, Division 1, Chapter 3 that states scales must be checked with an appropriate Class 7 Weight prior to each use. Test weights are made from cast iron and coated with a layer of chip resistant paint to keep them from corroding. Approved for use with fire extinguisher scale calibration WARNING: This product can expose you to