Spirax Sarco introduces a range of Bellows Seal Valves including the BSA and A3S isolation valves. These products are engineered to maintain plant safety and save energy by totally eliminating stem seal leaks, according to the company. The new introductions will reportedly help oil, gas, petrochemical, pharmaceutical, food and beverage customers save energy and ensure operator and plant safety.
Spirax Sarco's BSA valve range is a flexible and user-friendly isolation offering that includes a throttling plug that allows manual regulation to adjust line pressure and flow. It can also be used as a basic control valve or a substitute for "bypass" lines. The high integrity A3S bellows sealed valve is suitable for use under higher pressure steam, gas and liquid applications as it is designed to ASME Class 800.