Unitized bonnet/ base design, rugged construction and2- ring control make the41 A safety relief valve extremely dependable in terms of pop action, seat tightness and repeatability.

• 采用阀盖/座结构，坚固耐用，双环控制，这使得型号41A安全阀在弹起作用、座密封和重复性等方面特别稳定可靠。