3Hp 22L/S Anti-Explosion Dry Screw Vacuum Pump

Product Description

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Product Description
DPS Air Cooled Dry Screw Vacuum Pump:
DPS dry compound screw vacuum pump is the innovation and development of AfaPa's products, using the fifth generation of compound variable pitch screw technology (30% energy saving, low exhaust temperature), with high efficiency, energy saving, environmental protection, lightweight, easy operation, reliable performance characteristics. It will be main developing trend of the vacuum pump in future.
Working Principle:
Dry compound screw vacuum pump are consist of two paralleled screw rotors and pump body form multiple sealed space, rotor and rotor, rotor and pump body all keep minuscule clearance(no touch, no friction), with the reverse gears driving, gas keep continuously transfer from inlet hole to outlet hole. Due to two rotors and pump body have no friction each other, need not lubrication oil, can keep clean gas. Gas keep continuously transfer, short passageway, high efficiency, outlet hole position lower than screw rotors, strong drainage ability, easy to clean, no intermediate bulkhead(claw vacuum pump and rotors vacuum pump have intermediate bulkhead), better exhaust and drainage, easy to maintain.
Our Advantages
1. Air cooled design.
2. Working chamber 100% no oil.
3. Strong resistance to water vapor.
4. Newest variable pitch screw rotors.
5. No contact double screw rotors.
6. Self-design multistage flat seal.
7. Max vacuum reach at 1Pa.
Product Parameters

Model	DPS020	DPS050	DPS080
Pumping Speed(m3/h)	20	50	80
Max Vacuum(Pa)	<3
Motor Power(Kw/Hp)	1.1/1.5	1.5/2.0	2.2/3.0
Rotaring Speed(RPM)	2980
Working Voltage(V/HZ/Phase)	220-480/50/3 or 220-480/60/3
Structure	Horizontal Type
Inlet Hole	KF25	KF40	KF40
Outlet Hole	KF25	KF25	KF25
Cooling Method	Air Cooled
Sealing Method	Mechanical Flat Seal
Gear/Bearing Lubrication	100# Synthetic Gear Oil
Noise(dB)	65	70	72
Weight(Kg)	47	61	69
Dimension(LxWxH, MM)	673x303x275	769x331x292	844x331x292
Remark: 1m3/h=0.2778L/S, 1m3/h=0.5883CFM. 1Pa=0.01mbar, 1Pa=0.001Kpa, 1Pa=0.0075Torr, 1Pa=0.000145PSI, 1Pa=0.00001Bar.

Packaging & Shipping
Exhibition
Project Case
FAQ
Q1: If I want to inquiry, what can I need to offer?
A1: Please tell us your Working Vacuum Degree(Pa,mbar or torr), Flowrate(L/S or M3/H) and Usage.
Q2: Do you have MOQ?
A2: 1Pcs is ok,if you have more quantity, the price will be cut down.
Q3: How long to delivery?
A3: We need about 4-5 weeks to produce,then extra need about 5-7 days to arrange domestic delivery and port clearence.
Q4: What is your payment term?
A4: 50% for prepayment, then the balance should paid before delivery, by TT.
Q5: How long for the warranty?
A5: 1 year for whole machine, the effective date of warranty should be counted from one month the goods arrived in client's site. If the pump go wrong, the client can choose back the pump to factory repair,or we offer remote technical support.

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