Wafer Butterfly Valve With Tamper Switch, UL/FM1) Dimensions: 2"(DN50) 12"(DN300) 2) Design Standard: MSS SP 67 3) Connection Standard: ASME B16. 5 4) Working Pressure: 300PSI 5) Application: The wafer butterfly valve with tamper switch is an important component of the fire protection system. 6) Operating temperature range: 0C 80C. 7) Material of Matching Products: ASME B16. 42

retard chamber

4MPa5) Applicable Temperature: 0~80℃6) Fluid Medium: Water7) Material: ductile cast iron body

8) Material: carbon steel thickness≥6mm

7) Horizontal & Vertical Adjustment Angle: 0 ~ 360° & -70° ~ +70°

Working Pressure: 2

5) K factor: K5

76MPa4) Shell Test Pressure: 2

3) Flow Rate for Alarm: 4-10 GPM (15-37

2cr13 stem

7) Accessories:  including one cylinder

3) Connection Standard: ASME B16

Rubber Diaphragm