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Drilled diameters larger than 126 mm should be capped with a plate and "O" rings. The number, grade, and preload of the screws must be specified for a pressure of 165 bars (the maximum pressure of the safety plugs), a safety factor of 1.5, and a cyclic fatigue loading.
Ready Port and Safety Plugs
Unit of Measure
1 

Item #

Item Name

Diameter D

Thread Size P

For Maximum Drilled Diameter

NP - 77-5 N/A Ready 1/2 in.-20 Thread Size P Port Plug N/A SW17 N/A 1/2 in.-20 N/A 10 mm
NP - 77-8 N/A Ready 3/4 in. -16 Thread Size P Port Plug N/A SW22 N/A 3/4 in. -16 N/A 16 mm
V3 - 14 N/A Ready M 14 x 1.5 Thread Size P Port Plug N/A 19 mm N/A M 14 x 1.5 N/A 12 mm
V3 - 20 N/A Ready M 20 x 1.5 Thread Size P Port Plug N/A 26 mm N/A M 20 x 1.5 N/A 18 mm
V3 - 27 N/A Ready M 27 x 2 Thread Size P Port Plug N/A 32 mm N/A M 27 x 2 N/A 24 mm
V2 - 36 N/A Ready M 36 x 2 Thread Size P Port Plug N/A 42 mm N/A M 36 x 2 N/A 33 mm
V2 - 42 N/A Ready M 42 x 2 Thread Size P Port Plug N/A 48 mm N/A M 42 x 2 N/A 39 mm
V2 - 48 N/A Ready M 48 x 2 Thread Size P Port Plug N/A 54 mm N/A M 48 x 2 N/A 45 mm
V2 - 64 N/A Ready M 64 x 2 Thread Size P Port Plug N/A 70 mm N/A M 64 x 2 N/A 60 mm
V2 - 80 N/A Ready M 80 x 2 Thread Size P Port Plug N/A 88 mm N/A M 80 x 2 N/A 76 mm
V2 - 100 N/A Ready M 100 x 2 Thread Size P Port Plug N/A 108 mm N/A M 100 x 2 N/A 96 mm
V2 - 130 N/A Ready M 130 x 2 Thread Size P Port Plug N/A 145 mm N/A M 130 x 2 N/A 126 mm
BS - 150/5 N/A Ready 1/2 in.-20 Thread Size P Safety Plug N/A SW17 N/A 1/2 in.-20 N/A 10 mm
BS - 150/11 N/A Ready M 20 x 1.5 Thread Size P Safety Plug N/A SW19 N/A M 20 x 1.5 N/A 16 mm
Unit of Measure
1