Pressure Relief Valves (1/2” – ¾”)

Fitting	Size	Code
Nabic Fig 542 Safety Relief Valve … 35.7 PSI 42.9 PSI 50.0 PSI 57.1 PSI	… … ½” x 2.5 Bar ½” x 3 Bar ½” x 3.5 Bar ½” x 4 Bar	… … N542-2.5B/15 N542-3B/15 N542-3.5B/15 N542-4B/15
21.4 PSI 28.6 PSI 35.7 PSI 42.9 PSI 47.2PSI 50.0 PSI 57.1 PSI	¾” x 1.5 Bar ¾” x 2 Bar ¾” x 2.5 Bar ¾” x 3 Bar ¾” x 3.3 Bar ¾” x 3.5 Bar ¾” x 4 Bar	N542-1.5B/20 N542-2B/20 N542-2.5B/20 N542-3B/20 N542-3.3B/20 N542-3.5B/20 N542-4B/20
Safety Relief Valve – 3 Bar (Diaphragm Type)	½”	SV-0.5/3BAR