Product Parameters
Model |
HB-20 |
HB-20B |
HB-40B |
Voltage / Frequency |
220V50HZ |
220V50HZ |
220V50HZ |
Power |
120W |
120W |
240W |
Pump Head Type |
Two-stage pump |
Two-stage pump |
Two-stage pump |
Ultimate Vacuum |
6-8mbar |
6-8mbar |
6-8mbar |
Operating Pressure |
≤1bar |
≤1bar |
≤1bar |
Flow |
≤20L/Min |
≤20L/Min |
≤40L/Min |
Connection Specification |
10mm |
10mm |
10mm |
Medium and Ambient Temperature |
5ºC~40ºC |
5ºC~40ºC |
5ºC~40ºC |
Vacuum Gauge |
No vacuum regulator |
With vacuum control valve |
With vacuum control valve |
Dimensions (LXWXH) |
315x165x210mm |
315x165x270mm |
320x170x270mm |
Weight |
9.5KG |
10KG |
11KG |
Relative Humidity |
≤80% |
Pump Head Material |
PTFE |
Composite Diaphragm Material |
HNBR+PTFE(Customized) |
Valve Material |
FKM ,FFPM(Customized) |
Solid Discharge Valve |
With |
Work System |
Continuously working |
Noise |
≤55db |
Rated Speed |
1450RPM |
Product Description
Oil-free Vacuum Diaphragm Pump is a two-stage pump with gas as the medium. All parts in contact with the gas are made of polytetrafluoroethylene (PTFE). It has high corrosion resistance and a wide range of applications. It can completely replace water circulation pumps and is suitable for chemical Treatment of corrosive gases in the pharmaceutical, petrochemical and other industries, such as oil filtration, vacuum distillation, rotary evaporation, vacuum concentration, centrifugal concentration, solid extraction, etc.
Company Profile
Packaging & Shipping
FAQ
Q1. What is your products range?
• Industry water chiller, recirculating cooling chiller, rotary evaporator, alcohol recovery equipment, short path distillation kit, glass molecular distillation equipment, falling film evaporator, jacketed glass reactor and other lab equipment.
Q2. Are you trading company or manufacturer?
• We are professional manufacture of lab equipment and we have our own factory.
Q3. Do you provide samples? Is it free?
• Yes, we could offer the sample. Considering the high value of our products, the sample is not free, but we will give you our best price including shipping cost.
Q4. Do you have warranty?
• Yes, we offer 1 year warranty for the spare part.
Q5. How long is your delivery time?
• Generally it is within 7 working days after receiving the payment if the goods are in stock. Or it is 15 working days if thegoods are not in stock, depending on order quantity.
Q6. What is your terms of payment?
• Payment≤15,000USD, 100% in advance. Payment≥15,000USD, 70% T/T in advance, balance before shipment.
(If you are concerned about payment security for the first order, we advise you can place Trade Assurance Order via Alibaba. you will get 100% payment refund if we can't meet agreed delivery time.)