VPS干式螺桿真空泵特征
1) 工作腔內(nèi)無(wú)水無(wú)油，通過(guò)轉(zhuǎn)子轉(zhuǎn)動(dòng)產(chǎn)生清潔真空。
2) 單級(jí)設(shè)計(jì)可使固體廢棄物更容易排出并大幅減少留在泵內(nèi)的殘余物。
3) 通過(guò)特殊涂層處理，可用于抽取有毒、有腐蝕性及可凝性氣體。
4) 工作方式不使用油或水，大幅降低操作成本。
5) 密封方式為機(jī)械或雙唇密封。
6) 簡(jiǎn)便的設(shè)計(jì)易于設(shè)備維護(hù)。
7) 螺桿與螺桿之間及泵體與螺桿之間無(wú)接觸，使用壽命長(zhǎng)。
8) 氣體通過(guò)泵體可迅速排出。
9) 螺桿轉(zhuǎn)子具有較高的容積效率。
10) 較低的轉(zhuǎn)速可降低振動(dòng)及噪音。

VPS^?C系列干式螺桿真空泵

 (變螺距干式螺桿真空泵)

優(yōu)異的抗腐蝕性氣體及其所夾帶液體的處理能力，真空度可達(dá)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系列的傳統(tǒng)優(yōu)勢(shì)

（極限真空度高、防腐蝕及冷氣效果等）

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.)

極限真空度高
Low Ultimate Pressure

干式螺桿真空泵能在大氣壓*限壓力的全范圍內(nèi)持續(xù)運(yùn)行。單泵運(yùn)行極限真空度可以達(dá)到1Pa，并且效率*。

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.

防腐蝕設(shè)計(jì)      Corrosion Resistance Design

- 經(jīng)過(guò)特殊涂層（PTFE、PFA、Ni、NIFA等）處理可以用于輸送有毒、有腐蝕性和可凝性的氣體。

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

-通過(guò)氣鎮(zhèn)降低蒸汽的壓力來(lái)防止腐蝕性氣體冷凝。

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

-冷卻效果好      

Cooling Effect is good.

- 無(wú)需冷卻氣體                       

No Cooling Gas necessary.

- *的夾套水冷結(jié)構(gòu)                         

Unique hydrodynamic spiral jacket structure.

- 出口溫度降至符合或接近T4要求                                    

Reduce discharge temperature greatly & close to T4 requirement.

能耗         Power Consumption
-變螺距結(jié)構(gòu)設(shè)計(jì)      Variable pitch screw design.

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

特性 Characteristics of

VPS-C系列干式螺桿真空泵 VPS-C Series Vacuum Pump

密封結(jié)構(gòu)可靠耐用Reliable seal structure

●  采用機(jī)械密封和唇形密封Mechanical seal and lip seal applied.

●  干式真空泵機(jī)械密封Dry vacuum pump exclusive mechanical seal.

● 機(jī)械密封前設(shè)有空氣和氮?dú)鈿庹媳Ｗo(hù)Protect from dust & etc to purge Air & N2 in front of mechanical seal.

采用變螺距螺桿Applid variable pitch screw

● 合理的泵溫升設(shè)計(jì)防止涂層損壞Prevention of coating damage by pump temperature rise

● 節(jié)能設(shè)計(jì)降低能耗30%以上Reduction of power consumption by 30% by energy-saving design

真空度的改進(jìn)Vacuum degree improvement

● zui大真空度達(dá)到0.0075Torr（1Pa）Reaches the maximum vacuum degree 0.0075Torr(1Pa)

●真空度高，提高抽氣效率 Increase pumping volume from high vacuum

●真空度從大氣壓到1torr保持穩(wěn)定的抽速 Maintains stable volume from atmospheric pressure up to 1Torr

螺旋式夾套冷卻結(jié)構(gòu)Spiral coolant jacket

●  螺旋式夾套具有優(yōu)良的冷卻效果Excellent cooling efficiency of the spiral jacket

●  運(yùn)行溫度低Low operating temperature

●  通過(guò)少量的冷卻液量就可以控制泵內(nèi)溫升Controls temperature inside the pump with a small amount of coolant

設(shè)備材質(zhì)Material of construction

●  腔體Casing :球墨鑄鐵（特氟龍涂層，標(biāo)配PTFE涂層） Ductile Iron(Teflon Coated, PTFE)

●  螺桿Screw : 球墨鑄鐵（特氟龍涂層，標(biāo)配PTFE涂層）Ductile Iron(Teflon Coated, PTFE)

●  軸封Shaft Seals

-進(jìn)氣口（后端）Suction(Rear) : 雙唇密封+單唇密封Double Lip Seal & Single Lip Seal

-出氣口（前端） Discharge(Front) : 機(jī)械密封+唇形密封Mechanical Seal & Lip Seal

- 驅(qū)動(dòng)端Drive End : 油封Oil Seal

●  軸承Bearings

- 進(jìn)氣口（后端）Suction(Rear) : 滾柱軸承Roller Bearing

- 出氣口（前端）Discharge(Front) : 雙滾珠軸承Angular Double Ball Bearing

- 驅(qū)動(dòng)端Drive End : 單滾珠軸承Single Ball Bearing

●  O型圈O-ring : 氟橡膠Viton

另外，還有以下選項(xiàng)可選However, the followings are also available ;

? 特殊涂層-加厚特氟龍（PFA），鎳氟龍（NIFA），鍍鎳等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

? 特殊機(jī)型密封，如哈氏合金，耐蝕高鎳

 Special Mech. Seals like Hasloy, Ni-resist

通暢的排氣口結(jié)構(gòu)Smooth discharge structure

●  氣體通路短，可使氣體快速排出Short gas path through the pump make quick gas discharge

●  可以順暢地排出泵內(nèi)因冷凝產(chǎn)生的積液Smooth condensate draining within the pump

●  的流體處理能力Excellent liquid handling ability

IEC法蘭（NEMA可選）IEC Flange (NEMA Optional)

●  簡(jiǎn)潔的C法蘭設(shè)計(jì)降低了噪音水平，消除了聯(lián)軸器校準(zhǔn)問(wèn)題Mostly C-flange design Simplified mounting reduce noise level and eliminate shaft alignment

●  增強(qiáng)的螺紋防止變形和振動(dòng)Rib enhancement for deformation and vibration prevention

防潤(rùn)滑脂泄露Grease leakage prevention

●  三聯(lián)唇型密封Triple single lip seal

●  優(yōu)化潤(rùn)滑空間，防止?jié)櫥孤禔pplied the optimized grease space

VPS^?C系列干式螺桿真空泵 參數(shù)表

 VPS-C Series Dry Screw Vacuum Pump Technical Data