VPS干式螺杆真空泵特征
1) 工作腔内无水无油，通过转子转动产生清洁真空。
2) 单级设计可使固体废弃物更容易排出并大幅减少留在泵内的残余物。
3) 通过特殊涂层处理，可用于抽取有毒、有腐蚀性及可凝性气体。
4) 工作方式不使用油或水，大幅降低操作成本。
5) 密封方式为机械或双唇密封。
6) 简便的设计易于设备维护。
7) 螺杆与螺杆之间及泵体与螺杆之间无接触，使用寿命长。
8) 气体通过泵体可迅速排出。
9) 螺杆转子具有较高的容积效率。
10) 较低的转速可降低振动及噪音。

VPS^?C系列干式螺杆真空泵

(变螺距干式螺杆真空泵)

优异的抗腐蚀性气体及其所夹带液体的处理能力，真空度可达10^-3托。Excellent corrosive gas and entrain liquid handling capabilities and realizes 10^-3 torr vacuum degree

?VPS的C系列干式真空泵包含所有P系列的传统优势

（极限真空度高、防腐蚀及冷气效果等）

VPS dry vacuum pump includes the standard advantage of the P Series(Single

Pitch) model and following details

(Low utimate pressure, corrosion resistance, cooling effect, etc.)

极限真空度高
Low Ultimate Pressure

干式螺杆真空泵能在大气压*限压力的全范围内持续运行。单泵运行极限真空度可以达到1Pa，并且效率极高。

The dry vacuum pumps can operate continuously in all the ranges of pressure from atmosphere to the ultimate pressure, and it can reach at 0.0075Torr(1Pa) by itself and has a high efficiency.

防腐蚀设计 Corrosion Resistance Design

- 经过特殊涂层（PTFE、PFA、Ni、NIFA等）处理可以用于输送有毒、有腐蚀性和可凝性的气体。

Suitable for pumping Toxic, Corrosive and condensable gas by special coating(PTFE, PFA, Ni, NIFA).

-通过气镇降低蒸汽的压力来防止腐蚀性气体冷凝。

Prevents condensation of corrosive gas through lowering vapor pressure by the gas ballast.

-冷却效果好

Cooling Effect is good.

- 无需冷却气体

No Cooling Gas necessary.

- 独特的夹套水冷结构

Unique hydrodynamic spiral jacket structure.

- 出口温度降至符合或接近T4要求

Reduce discharge temperature greatly & close to T4 requirement.

能耗 Power Consumption
-变螺距结构设计 Variable pitch screw design.

- 能耗降低30%以上 Power consumption reduced 30%

特性Characteristicsof

VPS-C系列干式螺杆真空泵 VPS-C Series Vacuum Pump

密封结构可靠耐用Reliable seal structure

● 采用机械密封和唇形密封Mechanical seal and lip seal applied.

● 干式真空泵机械密封Dry vacuum pump exclusive mechanical seal.

● 机械密封前设有空气和氮气气障保护Protect from dust & etc to purge Air & N2 in front of mechanical seal.

采用变螺距螺杆Applid variable pitch screw

● 合理的泵温升设计防止涂层损坏Prevention of coating damage by pump temperature rise

● 节能设计降低能耗30%以上Reduction of power consumption by 30% by energy-saving design

真空度的改进Vacuum degree improvement

● zui大真空度达到0.0075Torr（1Pa）Reaches the maximum vacuum degree 0.0075Torr(1Pa)

●真空度高，提高抽气效率 Increase pumping volume from high vacuum

●真空度从大气压到1torr保持稳定的抽速 Maintains stable volume from atmospheric pressure up to 1Torr

螺旋式夹套冷却结构Spiral coolant jacket

● 螺旋式夹套具有优良的冷却效果Excellent cooling efficiency of the spiral jacket

● 运行温度低Low operating temperature

● 通过少量的冷却液量就可以控制泵内温升Controls temperature inside the pump with a small amount of coolant

设备材质Material of construction

● 腔体Casing :球墨铸铁（特氟龙涂层，标配PTFE涂层） Ductile Iron(Teflon Coated, PTFE)

● 螺杆Screw : 球墨铸铁（特氟龙涂层，标配PTFE涂层）Ductile Iron(Teflon Coated, PTFE)

● 轴封Shaft Seals

-进气口（后端）Suction(Rear) : 双唇密封+单唇密封Double Lip Seal & Single Lip Seal

-出气口（前端） Discharge(Front) : 机械密封+唇形密封Mechanical Seal & Lip Seal

- 驱动端Drive End : 油封Oil Seal

● 轴承Bearings

- 进气口（后端）Suction(Rear) : 滚柱轴承Roller Bearing

- 出气口（前端）Discharge(Front) : 双滚珠轴承Angular Double Ball Bearing

- 驱动端Drive End : 单滚珠轴承Single Ball Bearing

● O型圈O-ring : 氟橡胶Viton

另外，还有以下选项可选However, the followings are also available ;

? 特殊涂层-加厚特氟龙（PFA），镍氟龙（NIFA），镀镍等Special coatings Teflon(PFA), NIFA, Ni Plated, etc

? 特殊O型圈，如全氟醚O型圈 Kalrez, Special O-rings such as Kalrez

? 特殊机型密封，如哈氏合金，耐蚀高镍

Special Mech. Seals like Hasloy, Ni-resist

通畅的排气口结构Smooth discharge structure

● 气体通路短，可使气体快速排出Short gas path through the pump make quick gas discharge

● 可以顺畅地排出泵内因冷凝产生的积液Smooth condensate draining within the pump

● 的流体处理能力Excellent liquid handling ability

IEC法兰（NEMA可选）IEC Flange (NEMA Optional)

● 简洁的C法兰设计降低了噪音水平，消除了联轴器校准问题Mostly C-flange design Simplified mounting reduce noise level and eliminate shaft alignment

● 增强的螺纹防止变形和振动Rib enhancement for deformation and vibration prevention

防润滑脂泄露Grease leakage prevention

● 三联唇型密封Triple single lip seal

● 优化润滑空间，防止润滑脂泄露Applied the optimized grease space

VPS^?C系列干式螺杆真空泵 参数表

VPS-C Series Dry Screw Vacuum Pump Technical Data