SCREWLINE SP630 Composing

SCREWLINE SP

Dry screw vacuum pumps

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A measure of excellence in industrial vacuum pumps

Leybold SCREWLINE SP dry compressing screw vacuum pumps are extremely robust with the internally cooled rotors, and a special cantilevered bearing arrangement that eliminates failure. These industrial dry vacuum pumps are designed to meet the special requirements of heavy duty applications with direct pumping path and two non-contacting shaft-seals that are practically wear-free. This also allows for longer maintenance intervals.

Based on the screw principle, the standard versions of the SCREWLINE pumps are air-cooled from the outside for industrial applications. Water-cooled versions are available to operate in air-conditioned rooms as well as ATEX-certified variants are available for explosion proof compliance.

User advantages

Utmost reliability with protection of the pump through monitoring vital parameters

Minimum downtimes owing to rapid cleaning of the pump chamber

Minimum operating costs with air-cooled screw vacuum pump requiring no cooling water

Gear oil change only every two years

Direct adaptation of RUVAC pumps for increased pumping speed

Silencing hoods for noise reduction

SCREWLINE SP features & benefits

SCREWLINE SP has a direct pumping path without multiple deflections for the process gas making it highly tolerant to process contamination as well as reduced buildup inside the pump chamber. This ensures lower maintenance and a high uptime in industrial processes.

The two non-contacting shaft-seals are practically wear-free, which allows for very long maintenance intervals. Shaft seal purge is usually required in industrial applications. SCREWLINE SP pumps are equipped with a purge gas supply unit as a standard.

The special cantilevered bearing arrangement eliminates a potential source of bearing failure as well as lubrication contamination into pumping chamber.

The cantilevered bearing arrangement also makes the pump chamber easily accessible. This innovative design feature allows the removal of the pump housing quickly and cost effectively making on-site cleaning of all surfaces in contact with the medium possible. This is a significant advantage for processes that involve a considerable amount of contaminants to deliver high uptime.

The low exhaust temperature is an important feature of the SCREWLINE SP vacuum pumps. Owing to the design of the screw rotors, a temperature of maximum 100 °C (212 °F) is attained inside the pump. Thus, buildup is avoided in the pump chamber which may react at high temperatures. This makes the SCREWLINE SP pump reliable in applications such as solar module lamination and furnace applications. Should deposits form, then the easy to disassemble housing facilitates rapid cleaning.

SCREWLINE SP’s special design feature with internally cooled rotors reduces layer build up and allows for Argon pumping at any pressure for longer duration. Besides the integrated oil cooling arrangement for the rotors, the Screw Vacuum Pumps are air-cooled from the outside. Here rotor and housings are thermally linked via the oil cooler. Thus, screw vacuum pumps adapt themselves ideally to the ambient conditions under changing operating situations.

A water-cooled version is offered as Screw Vacuum Pumps SP 630 F for operation in air-conditioned rooms. Standard SCREWLINE SP dry vacuum pumps are available as water-cooled variants for operation in air-conditioned facilities. SCREWLINE SP O2 variants are capable of pumping 100% oxygen. ATEX certified variants for zone 2 and 3 application comply with the requirements of the European Directive and are suited for use in potentially explosive atmospheres ATEX guideline requirements (ATEX 2014/34/EU). As standard, all SCREWLINE SP ATEX pumps are equipped with a barrier gas control unit.

SCREWLINE SP 630 117007

Harshest applications ready
Extended uptime
Process capable

Harshest applications ready

Cantilevered bearing design
- Eliminates pump failure
- Prevents process ingress, no contact with oil
- Easy accessibility of pump chamber for quick on-site cleaning
Flushing in-situ
“Heavy-duty” design, tolerant to contaminants

Extended uptime

Internally cooled rotors for trouble free pumping
Direct pumping path, contaminant handling capability
Non-contacting shaft-seals

Process capable

Integrated shaft seal purge
Pump argon continuously at any pressure
Air-cooled or water cooled - suitable for mobile applications
Tolerant against process mishaps such as water ingress

technical information
documents
applications
videos
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		SCREWLINE SP 630	SCREWLINE SP 630 F	SCREWLINE SP 630 O₂	SCREWLINE SP 630 ATEX
		Standard Air cooled variants are available with simple and flexible installation. They are equipped with a heat exchanger for effective internal pump temperature management.	Standard SCREWLINE SP dry vacuum pumps are available as water-cooled variants for operation in air-conditioned facilities.	SCREWLINE SP O2 variants are capable of pumping 100% oxygen	ATEX certified variants for zone 2 and 3 application comply with the requirements of the European Directive and are suited for use in potentially explosive atmospheres ATEX Guideline requirements (ATEX 2014/34/EU). As standard, all SCREWLINE SP ATEX pumps are equipped with a barrier gas control unit.
Max. pumping speed (50/60 Hz)	m³/h	630
Ultimate pressure (50/60 Hz)	mbar	≤ 0.01
Nominal motor power (50/60 Hz)	kW	15
Motor power consumption at ultimate pressure (50/60 Hz)	kW	< 11
Cooling		Air	Water	Air	Water
Noise level (50/60 Hz) *	dB(A)	≤ 72 / 75	≤ 72	≤ 72 / 75	≤ 72
Weight, approx.	kg	530
Dimensions (L x W x H)	mm	1630 x 660 x 880

SCREWLINE SP

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Thin Film Coating

Large area coating
Display coating
Industrial coating

General Industry

Transformer production
Oil degassing / purification
Leak detection
Waste Management

Furnace & Metallurgy

Industrial furnaces / Heat treatment
Metallurgical systems
Vacuum casting
Welding technology

Semi & Solar

Photovoltaic Lamination
Crystal Pulling / Casting

Food

Food packaging / processing
Food freeze-drying
Botanical processing

Plastic & Composites

Plastic Extrusion
Vacuum Forming

Special Applications

Load lock chambers
Space simulation
Processes with pure Argon or pure Oxygen

SCREWLINE Robustness Movie

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