valves
watts 2 740 press.relief valve 2x21 2in 5 250 000btu
safety relief valve body material cast iron inlet type fnpt outlet type fnpt inlet size 2 in . outlet size 2 1 2 in . factory set pressure 30 psi pressure range 30 to 75 psi 5250000 btuh disc material buna n overall height 11 5 8 in . application for pressure protection of hot water heating boilers overall length 6 3 4 in . seat material metal spring material brass temp . range 0 degrees to 250 degrees f test lever yes br b features b ul li application for pressure protection of hot water heating boilers li li btuh 5250000 li li height in . 11 5 8 li li inlet outlet in . 2 x 2 1 2 li li item safety relief valve li li length in . 6 3 4 li li material of construction cast iron bronze finish li li preset setting psi 30 li li temp . range 0 degrees to 250 degrees f li li temp . range f 250 degrees li li body material cast iron li li btuh rating 5250000 li li connection fnpt li li inlet type fnpt li li overall height 11 5 8 li li overall length 6 3 4 li li pressure range 30 to 75 psi li li seat material metal li li standards asme military spec mil v 18634b type i class 3a style a li li outlet type fnpt li li disc material buna n li li spring material brass li li inlet size 2 li li outlet size 2 1 2 li li factory set pressure 30 psi li li test lever yes li ul
watts