| China - Roots vacuum blowers
dry vacuum pumps side channel pumps liquid ring |
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Shandong Zhangqiu Blower Co., Ltd - www.blower.cn
- Huifeng Industry park, Mingshui, Zhangqiu City, Shandong, China 250200 Liu Wei, email: globalbiz@blower.cn, Tel. 86 531 83250080 Founded in September of 1968. We passed ISO9001 quality system authentication in December, 1996. We are the largest Positive displacement blower manufacturer in China, the technology of our Roots type blower is from USA and Japan. |
products: roots type blower, roots vacuum pump
multistage centrifugal blower, regenerative blowers and accessories for blowers. |
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海门市海真真空设备有限公司 - www.
- Southern Industrial Zone, Desheng Town, Haimen City 226101, Jiangsu Province, China email, Tel. 0513-82271042 海门市海真真空设备有限公司坐落在美丽的长江入口处——江苏省海门市；是真空设备,三叶罗茨风机的专业制造企业。并评为南通市名牌产品，南通市AAA级信用企业。通过ISO-9001质量管理体系认证。几十年来，公司聚集了一批专业从事真空设备,三叶罗茨鼓风机研发、生产、管理的专业人才，产品已广泛应用于真空镀膜、真空热处理、真空干燥、污水处理、气力输送、水产养殖、系统循环、制药、医药、化工、冶炼、电力、港口、轻纺等行业。部分产品出口至东南亚、欧美等国家。 |
products: ZJ、ZJB、ZJC、ZJBC系列罗茨真空泵
ZJ、ZJB、ZJC、ZJBC型罗茨真空泵是一种旋转实变容积式真空泵，又称机械增压泵，是目前获得中、高真空的主要抽气设备之一，其工作原理与罗茨鼓风机相似，是利用两个“8”字型转子，在泵壳内作同步转动，从而完成吸气和排气。 ZJB、ZJBC型带溢流阀罗茨真空泵与ZJ、ZJC型罗茨真空泵的不同之处是ZJB、ZJBC型泵进排气口连通，在通道上垂直地装着一个自重阀，其作用是使排气口和进气口的压力差始终保持在一个可控制的数值内，该数值是泵可靠运转时所允许的最高压力差值。因此，这种阀实际上就是一种过载自动保护阀。 ZJC、ZJBC型罗茨真空泵是本公司自行开发设计的第二代罗茨真空泵。其体积小、重量轻、运行平稳、低噪音。上下垂直与侧面流道、低泄漏率。骨架油封与机械密封可以任意选用。对内密封冲注保护气体，防腐蚀。可采用风冷和水冷方式满足不同工况要求。ZJBC型带溢流阀罗茨真空泵溢流阀是内置结构，不同ZJB型，外形同ZJC没有差别。 |
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Taizhou Xingguang Vacuum Pumps Manufacturing Co., Ltd. - Dongshan Industry Zone, Jiaojiang, Taizhou, 318 000 Zhejiang, China
Liang Ji, Tel. +86 576-865 3588 |
products: Roots vacuum pumps from 30 to 2500 l/s
0.75 - 18.5 KW, ultimate pressure 5×10-2 The series ZJY roots vacuum pump is with overflow valve: A gravity valve installed between the suction and exhaust part of the pump opens automatically when the pressure difference is over the weight of the valve, keeping the pressure difference always at a fixed controllable value. This value is the allowable highest pressure difference to ensure the pump work normally. The roots vacuum pump with overflow valve is a kind of overload self-protective pump. other products: rotary piston vacuum pumps, liquid ring vacuum pumps, vacuum systems. |
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ZHANG GU -
- 141 Mingshui Street, 250 200 Zhangqiu City, Shandong province, China email, Tel +86-531-3250080 |
products: roots blowers and centrifugal blowers
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