The pneumatically operated diaphragm valve with stainless steel actuators fulfils the demands of tough process environments. Cast or forged body in high quality stainless steel have excellent cleanability and surface qualities that are required in pharmaceutical, biopharma, cosmetic or food and beverage industry. The stainless steel actuator has been designed for tough applications. Laser welding ensures it is both cleanable and robust. With a ducted exhaust air port, the actuator can be operated isolated from the environment to guarantee an optimum life time and hygiene. The trusted Bürkert diaphragm materials are optimised for a long life time and comply to USP Class IV, FDA and EC Directive. As part of the Bürkert diaphragm valve program a large accessory program is available, also explosion proof variants.