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上海滬沁儀器設備有限公司
德國萊寶雙級選片真空泵TRIVAC D 4 B
Technical Data TRIVAC D 4 B TRIVAC D 8 B
two-stage two-stage
50 Hz 60 Hz 50 Hz 60 Hz
1) 3
Nominal pumping speed m /h (cfm) 4.8 (2.8) 5.8 (3.4) 9.7 (5.7) 11.6 (6.9)
1) 3
Pumping speed m /h (cfm) 4.2 (2.5) 5 (3) 8.5 (5) 10.2 (6)
Ultimate partial pressure
without gas ballast 1) mbar (Torr) 10-4 (0.75 x 10-4) 10-4 (0.75 x 10-4) 10-4 (0.75 x 10-4) 10-4 (0.75 x 10-4)
Ultimate total pressure
without gas ballast 1) mbar (Torr) < 2 x 10-3 (< 1.5 x 10-3) < 2 x 10-3 (< 1.5 x 10-3) < 2 x 10-3 (< 1.5 x 10-3) < 2 x 10-3 (< 1.5 x 10-3)
Ultimate total pressure
with gas ballast 1) mbar (Torr) < 5 x 10-3 (< 3.8 x 10-3) < 5 x 10-3 (< 3.8 x 10-3) < 5 x 10-3 (< 3.8 x 10-3) < 5 x 10-3 (< 3.8 x 10-3)
Water vapor tolerance 1) mbar (Torr) 30 (22.5) 30 (22.5) 25 (18.8) 25 (18.8)
Water vapor capacity g/h 93 93 157 157
Oil filling, min. / max. l (qt) 0.3 / 0.8 (0.3 / 0.85) 0.3 / 0.8 (0.3 / 0.85) 0.3 / 0.9 (0.3 / 0.95) 0.3 / 0.9 (0.3 / 0.95)
Noise level 2) to DIN 45 635,
without / with gas ballast dB(A) 50 / 52 50 / 52 50 / 52 50 / 52
Admissible ambient temperature °C +12 to +40 +12 to +40 +12 to +40 +12 to +40
(°F) (+54 to +104) (+54 to +104) (+54 to +104) (+54 to +104)
Motor rating 2) W (HP) 370 (0.50) 370 (0.50) 370 (0.50) 370 (0.50)
Nominal speed rpm 1500 1800 1500 1800
Type of protection 3) IP 54 54 54 54
Weight 2) kg (lbs) 18.7 (41.2) 18.7 (41.2) 21.2 (46.7) 21.2 (46.7)
Connections, Intake and Exhaust DN 16 KF 16 KF 16 KF 16 KF
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