亚洲va久久久噜噜噜久久,色噜噜国产精品视频一区二区,欧美黑人又粗又大高潮喷水,国产黄A三级三级三级


Vacuum Pump PRODUCTS

Quality first, service first as the goal, to provide customers with high-quality products

Model WLW Vertical oil-free Vacuum Pump


Features:
Oil-free vertical vacuum pump with high ultimate vacuum degree (4.5-15mmhg).
Oil-free vertical vacuum pump oil-free: the filling ptfe piston ring can ensure the normal operation of the cylinder without lubricating oil, avoiding oil pollution, waste and accidents caused by forg.etting to fuel.
Oil-free vertical vacuum pump can be used for suction corrosive media by changing the material of accessories. WLWF series is made of stainless steel or fluorine lined titanium material, which is resistant to corrosion of acid, alkali and organic solvent.
Oil-free vertical vacuum pump energy saving (33%), water saving (50%), saving land area (66%)
Oil-free vertical vacuum pump cylinder, piston ring, crankshaft, crosshead average wear greatly reduced, extended the service life.
Oil-free vertical vacuum pump eliminates transverse wave intensity vibration and reduces noise.
Simple and beautiful appearance, easy operation and maintenance.
Oil-free vertical vacuum pump and roots pump can form roots oil-free vertical reciprocating vacuum unit.

Main specifications:
Model WLW-50 WLW-70 WLW-100 WLW-150 WLW-200 WLW-300
Pumping speed(L/S) 50 50 100 150 200 300
Ultimate pressure(Pa) 2000
Power(Kw) 4 5.5 7.5 11 15 22
Speed(r/min) 270 380 350 310 310 250
Air inlet&outlet(inch & mm) ∅ 50 ∅ 50 ∅ 100 ∅ 125 ∅ 125 ∅ 160
Pump warm ≤ 40
Noise dB(A) ≤ 70 ≤ 75 ≤ 75 ≤ 78 ≤ 80 ≤ 80
Weight(kg) 600 1100 3000 600 1100



Vacuum Pump Related Products

Quality first, service first as the goal, to provide customers with high-quality products