The key operated boiler blowdown valve consists of a carbon steel reduced bore ball valve with carbon reinforced PTFE seats and a key operated mechanism in stainless steel.
The Spirax Sarco ABV21i and ABV40i are one piece end entry, reduced bore ball valves having ISO mounting as standard. They are fitted with a 90° rotary spring return pneumatic actuator, and a limit switch box.
The KBV21i and KBV40i Air Actuated Boiler Blowdown Valves consists of a carbon steel reduced bore ball valve with carbon reinforced PTFE seats and a key operated mechanism in stainless steel.
The KBV20 is a carbon steel ball valve with a stainless steel ball, adaptor and housing, and reinforced PTFE seats. Two types of key are available, one standard length, and an extended 'T' bar type, for use where access to the valve is limited.
Maintain plant safety and save energy by totally eliminating stem seal leaks with the Spirax Sarco BSA and BSAT Bellows Sealed Stop Valve.
/global/en-US/products/isolation-valves/bellows-sealed-stop-valves/bsa-and-bsat-bellows-sealed-stop-valvesSafety valves are essential wherever a hazardous overpressure situation could occur.
/global/en-US/products/control-systems/safety-valvesIsolation valves are essential whether you need to divert flow or shut down your system for safe maintenance of your equipment.
/global/en-US/products/isolation-valvesOur bellows sealed isolation valves are engineered to maintain plant safety and save energy by totally eliminating stem seal leaks.
/global/en-US/products/isolation-valves/bellows-sealed-stop-valvesThe BSA and A3S isolation valves are engineered to maintain plant safety and save energy by totally eliminating stem seal leaks. This exciting release will help oil, gas, petrochemical, pharmaceutical, food, and beverage customers save energy and ensure operator and plant safety.
/global/en-US/blog-and-news/spirax-sarco-introduces-bellows-seal-valve-range