Technical Data                                                                TRIVAC D 40 B                                               TRIVAC D 65 B
                                                                                   two-stage                                                   two-stage

                                                                        50 Hz                        60 Hz                          50 Hz                         60 Hz

                                   1）             3
Nominal pumping speed                          m /h （cfm）                 46 （27）                    55 （32.5）                       75 （44）                       90 （53）

                       1）                         3
Pumping speed                                  m /h （cfm）                 40 （24）                     48 （28）                        65 （38）                       78 （46）

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）                40 （30）                     40 （30）                        40 （30）                       40 （30）

Water vapor capacity                                     g/h               1184                         1184                          1925                          1925

Oil filling, min. / max.                               l （qt）     1.7 / 2.6 （1.8 / 2.7）        1.7 / 2.6 （1.8 / 2.7）         2.0 / 3.3 （2.1 / 3.5）         2.0 / 3.3 （2.1 / 3.5）

Noise level 2） to DIN 45 635,

without / with gas ballast                            dB（A）              57 / 59                      57 / 59                       57 / 59                       57 / 59

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）             2200 （3.0）                   2200 （3.0）                     2200 （3.0）                    2200 （3.0）

Nominal speed                                           rpm                1420                         1710                          1420                          1710

Type of protection 3）                                      IP               54                           54                             54                           54

Weight 2）                                           kg （lbs）             68 （150）                     68 （150）                      80 （177）                      80 （177）

Connections, Intake and Exhaust                          DN               40 KF                        40 KF                         40 KF                         40 KF

1） To DIN 28 400 and following numbers
2） Weight, motor rating and noise levels for the pumps with global version 3-phase motor, 50 Hz, only.

   Any data that deviate from the above for pumps with other motors, and other motor-dependent data are given in section “Products”,
   paragraph “Motor Dependent Data for the TRIVAC B, BCS and BCS-PFPE”
3） Global versions only. North and South American versions are TEFC

                                                                                                -5     -4     -3     -2     -1                 Torr
                                                                                             10     10      10     10     10      1      10           750
                                                                                          2
        103                                       750                                   10                                                                50

    mbar
        102                                        Torr                              m3x h-1                                                                cfm

                                                                                                                                                           10
                                                                                           1
          1                                       10                                    10
        10                                                                                                                                                5
     e                                                                             d
     r                                                                             e
     u
     s    0                                       1                                e
     s  10                                                                         p                                                D 65 B
     e                                 D 65 B                                      s 
     r                                               -1                            g                                                D 40 B                 1
     P    -1                           D 40 B                                      n      0
        10                                        10                               i    10                                                                0.5
                                                                                   p
                                                                                   m
                                                     -2                            u
        10-2                                      10                               P
                                                                                                                                                          0.1
                                                     -3
        10-3                                      10                                    10-1
           0        1        2        3  min  4                                               -5     -4     -3      -2     -1      0      1          103
                                                                                            10     10     10      10     10     10     10    mbar

                           Time
                                                                                                                        PPressureressure

               without gas ballast                                                                      Ultimate partial pressure without gas ballast

               with gas ballast                                                                         Ultimate total pressure without gas ballast

                                                                                                        Ultimate total pressure with gas ballast

Pump-down characteristics of a 100 l vessel at 50 Hz           Pumping speed characteristics at 50 Hz （60 Hz curves at the end of the section）

Oerlikon Leybold Vacuum Full Line Catalog                                                                                                                                        31    C01