Bơm Hút Chân Không Cánh Gạt Vòng Dầu 2 Cấp (GVD 40-275)

These direct drive rotary vane pumps are inherently compact and vibration free, and with their finger-proof fan and coupling housings they offer excellent operator protection. A comprehensive range of accessories is available to allow use on the widest variety of vacuum applications. 

Features and benefits

• Advanced pressurized oil circuit to give effective lubrication even under high gas loads. 
• When the pump is switched off, the spring loaded distributor valve provides oil and air suck-back protection.
• Gas ballast control to assist in handling high water vapor loads.
• Industrial roller bearings on drive shaft for ultimate reliability and long, trouble free life.
• Full height oil sight glass for easy checking of oil level and condition.
• Easy change oil filter, with oil filter condition gauge on larger models.
• Central inlet port to allow easy mounting of mechanical booster pump if required.
• Easy to maintain, with convenient service kits and international customer support. 
• A wide range of accessories to match your application needs.
• The pumps and accessories can be supplied either as individual components or as fully systemized, factory-tested combinations.

Applications  

• Refrigeration and air conditioning system evacuation, drying, and backfilling
• Vacuum drying and distillation
• Backing pump for high vacuum applications
• Vacuum metallurgy processes
• Thin film coating technologies
• Freeze drying
• Transformer and cable drying and impregnation, insulating oil treatment plant 
• Cryogenic vessel evacuation

For more information, download the GVD 40-275 brochure and datasheets below.