Hongfeng Machinery Technology Co., Ltd
Sanitary Stainless Steel Bare Stem Butterfly Valve
The sanitary stainless steel bare stem butterfly valve is designed for demanding hygiene environments in food, pharmaceutical, and bioengineering industries.
Technical Specification:
Gasket Material:Silicon, EPDM, VITON, NBR ( Valve seat and gasket comply with FDA 21CFR177.2600)
Surface treatment:
Inside surface treatment: Ra 16 ~ 32µin (0.4 ~ 0.8µm)
Outside surface treatment:Ra32 ~ 64µin (0.8 ~ 1.6µm)
Temperature:
EPDM: 14 ~ 248°F (-10 ~ 120°C)
VMQ: -58 ~ 356°F (-50 ~ +180°C)
FPM: -22 ~ 446°F (-30 ~ +230°C)
Sterilization temperature: 302°F (150°C, Max. 20 min)
Pressure:
Working pressure: ≤10bar (145psi)
Supply pressure for air actuator: 5 ~ 8bar (70 ~ 116psi)
Max. pressure: 10bar (145psi) DN25 ~ 100; 8bar (120psi) DN125 ~ 150
Note: ISO bracket mounting and stem could be customized as per client needs
