ZXF vacuum relief valve - Shanghai Yan Tang

1, the valve is negative pressure ventilation device is mounted on the tank, with Hu suction valve supporting the use of tanks used to increase the amount of air intake to prevent tank deflated, can also be used alone. 2, the valve has a ventilation volume, small amount of leakage, corrosion resistance and other characteristics, and a static ground wire, so that the valve and the tank to keep such potential. 3, the valve has antifreeze properties, also suitable for cold regions. 4, the operating pressure -392.3Pa (-40mmH2O) or according to user requirements set. Size (mm) HLD D1 D2 nd DN50 258 284 Φ140 Φ110 Φ90 4 14 DN100 372 446 Φ205 Φ170 Φ145 4 18 DN150 400 632 Φ260 Φ225 Φ200 8 18 DN200 461 736 Φ315 Φ280 Φ255 8 18 DN250 520 876 Φ370 Φ335 Φ310 12 18 ZXF vacuum relief valve manufacturer, supplier Shanghai Yan Tang Industrial Equipment Co., Ltd., China famous brand, well-known brand in Shanghai; by ISO9001, TS certification. Committed valves professional R & D, to provide users with high-quality Hu suction valve products.