Model Number: Z131-25B I 02- Brand Name: BEST Key Specifications/Special Features: 1. Imported parts, assembled domestically, normally Closed (NC)2. Zero leakage3. Max. action frequency: 5 times/s4. Max. pressure tolerance: 16kgf/cm25. Ambient temp. : -15~75℃6. Max. Kinematic viscosity value: ≤25CSt（mm2 /s)7. Pilot operated structure, pressure differential is required8. Serialized product, Water Hammer effect can be dissipated efficiently9. Mounted at any angle, keep coil vertically upward ＆ installed horizontally may extend life span10. Seals: Ⅰ---NBR (code: N), Ⅲ---VITON (code: V), special---EPDM (code: E)11. Valve body material: normal---Bronze (code: T) or SS304 (code: B), special---SS316 (code: R)12. Voltage: AC220/AC230/AC240V 50/60Hz, DC24, tolerance ±10%, customization accepted