LESER Type 811 821 High Efficiency Safety Valves DN25 DN200 Pop Action Gas Pilot Operated Safety Relief Valve
รายละเอียดสินค้า
LESER Type 811/821 Safety Relief Valve Product Overview The LESER Type 811/821 Pilot-Operated Safety Relief Valves are engineered for high-efficiency pressure protection in demanding industrial applications. The Type 811 features a rapid pop action for abrupt opening, ideal for gas applications, while the Type 821 offers modulate action for proportional opening, minimizing product loss and noise in vapor, gas, and liquid systems. Both valves comply with API 526 standards,