Bellow valves are used in semi-conductor, biotechnology and pharmaceutical applications where maximum leak-tightness is demanded with high-purity media.
Thanks to the minimisation of the parts in contact with the media and the resistance to chemicals, the Hy-Lok bellow valves are used predominantly in the semi-conductor industry, in biotechnology and pharmaceuticals.
The Hy-Lok bellow valves are manufactured with connection sizes from ¼” to ½”. They are actuated by handwheel, toggle lever or pneumatic drive. The valves are passivated in a nitrogen atmosphere. Final cleaning takes place in an ultrasonic bath.
Pressure: | up to 34.4 bar (500 psi) |
Temperature: | -28°C to 93°C (-20°F to 200°F) |
Flow coefficient (Cv): | 0.3 or 0.65 |
Housing material: | Stainless steel 316L VOD |
Spindle tip material: | PCTFE or stainless steel 316 |
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