4133 Safety Valve - 0 to 60 PSI

Regular price Int. price: $51.06
Incl. GST: $56.17

1/4 x 40 TPI ( suitable for Miniature Steam 3" boilers - except 3" Horizontal P/N 4060)

Note: these have simple adjustable spring loaded relief balls/surfaces that progressively release pressure when the setting is passed. They are not "pop"valves that trigger at a set pressure.