Ulvac PVD-180, Инструкция по эксплуатации

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SK00-4167-DI-002-07
3
Ⅰ
Pump Outline
1. Characteristics
The PVD-180, PVD-180B, PVD-360 and PVD-360B type oil rotary vacuum pump is a two-stage rotary
blade type, compact, robust, easy to use, and designed to withstand a wide range of operating
conditions. The ultimate pressure is low, and the vibration and noise associated with operation are
sufficiently low. It is equipped with the following functions.
(1) Employment of gas ballast function
This product is installed with the gas ballast function as standard, so please use the gas
ballast function according to your application. It is applicable to breathe in the condensed
gas such as the steam and solution vapor.
Note : Spec.H don't have the gas ballast function.
(2) Oil anti-sack (backflow prevention device) mechanism
※ Only PVD-180B, PVD-360B
When the pump stops the valve shuts off incoming oil and air and keeps a good vacuum for a long
period of time. While the pump is running, the valve is open and appropriate amount of oil is supplied
into the cylinder.
* Solenoid valve cannot support explosion-proof type.
* Not compatible with Spec.H
Table 1 Details model list
*1 There is not any naming for standard spec. Spec. K, H or Z is selectable as option. Options
for pump head and accessories are different depending on the type.