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Oil Distribution Valve And Air-Tight Pumping Chambers In AC Vacuum Pump GVD 28

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[China]

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Address: RM18, 27/F, Ho King Comm CTR, 2-16 Fayuen ST, Mongkok Kowloon, Hong Kong.

Contact name:Kenny

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Country/Region	china
City & Province	hong kong guangdong
Categories	Material Handling Equipment

2 STAGE OIL-SEALED ROTARY VANE VACUUM PUMPS

GVD 28

FEATURES AND BENEFITS

• The pump is designed for reliable, long-term operation.

• Thermal overload device prevents overheating (single phase only).

• The pump is a free-standing unit.

• The drive is provided through a flexible coupling by a single-phase or three-phase (four pole) motor.

• The motors are totally enclosed and are cooled by the motor-cooling fan.

• Easy to use controls.

• Pressure die cast oil box with integral oil seals prevents oil leaks.

• Gas ballast valve for large water vapour handling capacity.

• Externally approved to EN61010, CSA, C22.2 and UL61010.

• Oil distribution valve.

• Pumping chambers are air-tight.

• Oil sight-glass, two oil drain-plugs, inlet-port and outlet nozzle all fitted as standard

TECHNICAL SPECIFICATIONS

	GVD 28
	50Hz	60Hz
Displacement	32.2m³h⁻¹/19.0cfm	38.9m³h⁻³/22.3cfm
Speed(Pneurop 6602)	27.5m³h⁻¹/16.2cfm	33.0m³h⁻¹/19.5cfm
Ultimate vacuum(total pressure)without gas ballast	1.0x10⁻³ mbar/7.7x10⁻³ Torr
Ultimate vacuum(total pressure) with gas ballast	1.5x10⁻² mbar/1.1x 10⁻² Torr
Inlet connection	DN25 ISO-KF
Outlet connection	DN25 ISO-KF
Max.outlet pressure	0.5 bar/7 psig gauge
Max.inlet pressure for water vapor	30 mbar / 23 Torr
Max.water vapor pumping rate	700 gh⁻¹
Weight(without oil)	44 kg / 97 lb
Motor power	550W	750W
Power connector 1-ph*	IEC EN60320 C19
Maximum oil capacity	1.5 litre
Minimum oil capacity	1.2 litre
Noise level	57 dB(A) @ 50Hz