Vogelsang VX100Q - Dry Buffer Chamber

Rotary lobe pump
Operating instructions
VX100Q/VX136Q/VX186Q, VX136QD/VX186QD, VX136QDM2/VX186QDM2
30/61
Pos: 152 /WBV/P umpen/Wartung/ Sperrkamm er/002 Sperrkam meraufbau - Pumpe mit trocke ner Sperrka mmer @ 58\ mod_131252926862 3_48.doc @ 3 08493 @ 4 @ 1
7.1.3.5 Dry buffer chamber
This sealing system is only used if no buffer chamber medium is permitted to get into the pump medium.
It is used for pumps that deliver pure, non-abrasive medium, e.g. water.
Medical white oil (part no. BSS.010) can be used as gearbox oil in these pumps.
Avoid dry running
To protect against seal damage, dry running of the pump must be avoided on pumps with a dry buffer
chamber. Before start-up, remove the plug from the bleed screw (5)  Fig. “Installation example - dry buffer
chamber" and completely fill the pump with fluid.
Attention! In order to avoid contamination of the pump medium, on pumps with a dry buffer chamber as a
sealing system, there must be no fluid added into the buffer chamber.
Combination of mechanical seal rings in this sealing system
Type: Block ring
Combination of material:1.4301/1.4571 tungsten carbide coated/carbon
Assembly
 Fig. “Installation example - dry buffer chamber"
Connect the buffer chamber tank (3) with connection line (4) at the bottom of the buffer chamber. The buffer
chamber tank must be installed below the buffer chamber in order to catch leaks. The fluid level in the buffer
chamber tank should come up no further than the bottom edge of the buffer chamber.
1
Wing nut
2
Union nut
3
Buffer chamber tank
4
Connection line
5
Bleed screw
Fig.
15
: Installation example - dry buffer chamber
Monitoring the buffer chambers
If the buffer chamber tank (3) is filled with leakage (e.g. pump medium or condensed water), loosen the wing
nuts (1) unscrew the tank cover (union nut (2)) and empty the tank. If the tank is filled more than 1/2 within a
month, please contact our service department .
Pos: 153 /---Seitenum bruch--- @ 21\mod_12 01696136229 _0.doc @ 805 75 @ @ 1