The accessories available for the pumps or compressors are different and divided into classes, each of which has been designed and selected to best suit the range of pumps and compressors built by DVP.
The main accessories are listed below:
Description
The pump-receiver groups series CPV have been designed for a wide range of application needs, and are available in various versions.
The centralized vacuum equipment models CPA are available in three different configurations SIMPLEX – DUPLEX – TRIPLEX depending on the number of pumps installed.
These products are equipped with control panel to control the pressure inside the receiver by guiding the pump starting.
The panels, developed according to European standards, also include the hour counter and pump wear balancing device.
Special units of antibacterial filters are also available with by-pass built according to EN ISO 7396-1 standard, for hospital use.
Information about: CPA TRIPLEX
The standard version of triple pump vacuum systems consists of the following parts:
A GFB bactericidal filter unit with by-pass system may be mounted (upon request) between the isolating ball valve of the unit and the user system, as required by EN 737/3 standards.
The volumetric roots pumps of Bora – BA series are equipped with three lobe rotors having a singular geometrical shape emphasizing the positive characteristics of this design and annulling the negative ones (i.e.: gas recirculation). Moreover, the shaft sealing is ensured by a dynamic gasket preventing any leakage.
These pumps should be used together with a primary pump increasing the total flow rate at low operating pressures and reaching a great improvement of the final pressure.
The most common applications are: farmaceutical sector, vacuum metal treatment, electrical transformer oil outgassing, food packaging.
The volumetric roots lobe pumps of the Bora – BA series are equipped with three lobe rotors having a singular geometrical shape emphasizing the positive characteristics of this design and annulling the negative ones (i.e.: gas recirculation).
Moreover, the shaft sealing is ensured by a dynamic gasket preventing any leakage.
These pumps should be used together with a primary pump increasing the total flow rate at low operating pressures and reaching a great improvement of the final pressure.
The CBL Groups are composed of one lubricated rotary pump of the L series and one displacement pump of the B series.
The latter has rotors with 3-lobes and with a special profile which favours the positive features whilst overriding negative ones (recirculation of gases).
Furthermore, the possibility of a leak is avoided by having a hermetic seal on the shaft.
By having a displacement pump in the group, the rotary pump can achieve a better flow rate at low pressure and increases significantly the final vacuum created. The control system for the displacement pump must be installed by the user.
The most common applications are in the pharmaceutical sector, vacuum metal treatment, electrical transformer oil outgassing, food packaging.
Piston pumps may be used in the presence of moisture, and have no particular restrictions on use.
Diaphragm pumps have similar features but are built in two versions (FKM or EPDM), and may operate with certain aggressive flows.
Versions are also available (series ZA or MA box) with safety guard and intake filter for use as mobile units.
The main areas of use include: electromedical, suction cups conveyors, laboratory applications, construction, steam sterilizers and dental ovens.
This unit has been designed for applications in the building sector and for all situations in which the pump requires a collision guard or whenever the user needs a self contained unit with accessories.
The unit is composed of a metallic case for pump protection and the following accessories:
Very high reliability, vibration free, low noise level and easy maintenance are the main features of this series that make it suitable for laboratories, research institutes and universities.
A coupling drive connecting motor and pump ensures reliable operation, long life and easy maintenance.
Moreover, this series is ideal for use as backing pump on ultra-high vacuum units.
Standard equipment includes:
Lubricated vacuum pumps are used when the intake flow may contain moisture, or when a better final pressure is required.
These pumps may run continuously within certain pressure ranges, or connected to containers to be emptied, whose volume is sized appropriately for the pump flow rate.
Long-term use at atmospheric pressure is not recommended.
When the amount of vapour intake is considerable, we recommend using the WR versions.
The main areas of use include: vacuum packaging, thermoforming machines, glassor marble-working machines, medical equipment, food-grade pastas or clay extruders.
Compact size combined with low final pressure (Abs.) attainable are the main features of this series.
An effective damping and recovery system integral in the tank guarantees the absence of any oil vapours at the outlet.
A sealing device prevents oil from being sucked back should the pump stop under vacuum.
The intake can also be oriented by the user, thanks to a special fitting.
This series is suitable for evacuation of small closed vessels.
Standard equipment includes: