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Features 1.Double circular-arc design on the assembled pump head,improve the vacuum level and working efficiency. 2.The product design can reduce oil mist,and an oil-gas separator at air exhaust outlet effectively treats and prevents oil pollution in atmosphere. 3.Double location pin design on the assembled pump head,improve the service life,easily for maintain. 4.The motor and pump are integrated to make product compact,simple and rational. 5.The special design of ZSJ large starting torque has guaranteed a normal starting in low temperature (≥5℃temperature)and low voltage condition(withe rated voltage±10%). 6.The unibody design of handle,capacitor box and exhaust filter makes more economic and concise.
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