... , Port Size: 1/8'' , 1/4'', 3/8''Working Medium: Air, Water,Oil, Gas, Orifice Size : 2.5mm, 4mm, 1.2mm, 2mmActing ... Type: Normally closedOperating Pressure: Air,Water,Oil,Gas:0--0.7Mpa; Air,Water,Oil: 0~2.0MpaMax. Pressure Resistance: 1.0Mpa ... , AC110V, AC220V, AC380VMaterial of Body: Stainless Steel OR BrassMaterial of Oil Seal: NBR, EPDM OR VITON