4" Cherne Low Profile Gripper Locking Plug, Sch40

Cherne’s Low Porfile Lockable Gripper® plugs can be used in a variety of applications including environmental monitoring wells, DWV (drain, waste and vent) testing and stack testing. End-of-Pipe design won’t fall in. Time tested, the Gripper® remains one of the most popular mechanical plugs on the market.  Features Low Profile design for limited clearance applications Equipped with locking steel hasp Accepts dolphin lock, #1 or #3 size padlock, Koby Safety Lock-Out Tag Chemical and petroleum-resistant Estaloc-plastic top and bottom plates Petroleum resistant nitrile o-ring Plug is rated for 17 PSI or 40 ft. of head pressure Galvanized carriage bolt to prevent corrosion Made with glass-reinforced ABS plastic  Features Locking hasp accepts dolphin lock, #1 or #3 size padlock, Safety Lock-Out Tag. Plug is rated for 17 PSI or 40 ft. of head pressure Easy-to-install extra large zinc wing nut – won’t rust Natural rubber O-ring for excellent expansion and memory Galvanized carriage bolt to prevent corrosion Made with glass-reinforced ABS plastic  End-of-pipe design seals only at the end of a pipe Equipped with Chemical and petroleum-resistant Estaloc-plastic top and bottom plates Petroleum resistant nitrile o-ring Locking Steel hasp Specifications Nominal Size 2" (50 mm) Range of Use 1.9"-2.17" (49-55 mm) Maximum Back Pressure 17 psi (1.2 bar) 40 ft. (12 m) Deflated Length 1.87" (47.5 mm) Product Weight 0.19 lbs (0.09 kg)