Two shift adjustable gas ballast valve satisfies different requirement of condensable vapor to be exhausted out of pump in various process. Dual protection of oil anti-sucking ensures vacuum system from oil pollution when pump stops.
Forced oil circulation system consist of oil pump and constant pressure oil supply mechanism ensures stable running. Easy maintenance and repair structure. Allows users to control the gas ballast for multiple vacuum levels. Corrosion-resistant vanes for premium reliability.Low noise level and noise-dampening rubber feet. Internal check-valve, preventing accidental back-flow. Easy to change oil mist filter. Ultimate partial pressure gas ballast close. Ultimate total pressure gas ballast close. Ultimate total pressure gas ballast open. Vacuum oven SH-VDO-08NG SH-VDO-30NG SH-VDO-70NG.
Cold trap bath SH-WB-5GDR(-40C) SH-WB-5GDR(-80C). Cold trap bath SH-WB-5GDR(-40) SH-WB-5GDR(-80). This item is in the category "Business & Industrial\Hydraulics, Pneumatics, Pumps & Plumbing\Pumps & Pump Accessories\Vacuum Pumps\Rotary Vane Pumps". The seller is "jihba39" and is located in this country: US. This item can be shipped to United States.