Hongfeng Machinery Technology Co., Ltd
Sanitary Weld Check Valve
Sanitary weld Check Valves are anti-backflow devices designed for high-purity industries like food, pharmaceuticals, and biotechnology. they offer corrosion resistance, high-temperature tolerance, and smooth mirror/electropolished surfaces to ensure hygienic, residue-free cleaning, complying with food safety standards.
Size：1/2" -6"（DN15-DN150)
Material ：SS304,SS316,duplex 2205
Connection：weld
Size：1/2" -6"（DN15-DN150)
Material ：SS304,SS316,duplex 2205
Connection：weld
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)
Max. pressure 10 bar
Opening pressure:
0.3 bar (DN-25)
0.3 bar (DN-25)
0.2 bar (DN-32/40)
0.1 bar (DN-50/100)
