ZHV series two stage vacuum pump are developed based on SIHI LPH series two stage vacuum pump. Out standard material is cast iron with SS304 precision cast impeller, for more aggressive application, pump in complete precision Stainless steel SS304 and SS316L are available. Fitted single mechanical seal as standard shaft sealing type eliminate shaft leakage. Rotation can be clockwise and anticlockwise against client’s requirement. It has approved robust construction. It offers better performance in high vacuum application.

Based on original Sterling SIHI LPH vacuum pump design, we upgrade mechanical seal, bearing, impeller, shaft and most internal parts to get more reliable performance and operation. To reduce installation cost and avoid any adjustment for existed onsite facility, we offer same outline dimensions for bolt-on replacement original Sterling SIHI LPH vacuum pump and Speck VH vacuum pump
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