
Trabon® MX Series-Flo Dividers
DESCRIPTION
Trabon MX Series-Flo® Divider Valves are designed for heavy 
service and are ideal for large steel mill systems and similar 
applications. For modular version (MXP) having the same output 
capacities, see bulletin 10132.
A typical MX Series-Flo® Divider Valve Assembly (to the right) 
consists of an inlet section, end section and three to ten valve 
sections. The basic divider assembly will serve between three and 
twenty lube points.
The MX valve sections, which have built-in outlet check valves, 
are available in various output per piston cycle sizes (see 
specifications). Each twin (T) section has 2 outlets, one from each 
side of the section. Each single (S) section has 1 outlet on either 
side, but one outlet must be plugged to operate properly. For 
applications with continuous oil lubrication (Meter-Flo) the built in 
outlet check valves may be removed.
FEATURES/ADVANTAGES
Delivers metered amount of lubricant.•
Economical and compact design.•
Lubricant outlets easily added or removed.•
Simple to install on new or existing machines.•
Built-in outlet check valves.•
Hone-fitted metering pistons.•
OPERATION
Operational sequence of an MX Series-Flo® Divider Valve 
Assembly is defined as “progressive”. The term progressive 
means that each valve section completes its piston stroke, 
discharging a measured amount of lubricant to the bearing it 
serves before the following valve section operates. As long as 
lubricant is supplied under pressure to the inlet section of the 
divider assembly, valve sections will continue to operate in a 
progressive manner. Divider assemblies always follow a constant 
discharge pattern. Whenever lubricant flow ceases, the valving 
pistons will stop. When flow resumes it will start again at the 
same point in the discharge cycle.
SPECIFICATION
Material Plated Steel
Pressure (max) 3,000 psi (207 bar)
Lubricant Oil or Grease
Max Operating Temperature 200ºF (93ºC)
Max Cycle Rate w/Cycle Pin 60 cycles/min.
MX w/o Cycle Pin 200 cycles/min.
Net Weight: 
(Divider Valve Assembly approx.)
3 Section DIvider 21 lbs, 6 oz (9.69 kg)
4 Section Divider 25 lbs, 10 oz (11.62 kg)
5 Section Divider 29 lbs, 14 oz (13.55 kg)
6 Section Divider 34 lbs, 2 oz (15.47 kg)
7 Section Divider 38 lbs, 6 oz (17.40 kg)
8 Section Divider 42 lbs, 12 oz (19.39 kg)
9 Section Divider 47 lbs, 2 oz (21.37 kg)
10 Section Divider 51 lbs, 8 oz (23.26 kg)
Torque:
Tie Rod Nut 23 ft lbs
Enclosure Plug 48 ft lbs
Outlet Port Plug 18 ft lbs
Sizes + *cu.in. cm
25T 0.025 0.409
25S or 50T 0.050 0.819
50S or 100T 0.100 1.639
75T 0.075 1.229
75S or 150S 0.150 2.458
100S 0.200 3.278
125T 0.125 2.048
125S 0.250 4.097
150S 0.300 4.917
+ This number is stamped on each valve section 
* This is the volume discharge per outlet after one complete cycle
3
 

DIMENSIONS 
Inches/(mm)
Note:  Millimeter dimensions appear in parentheses below decimal figure in 
inches.
No. of Sections A-Dim. B-Dim. C-Dim
3 5.062 (128.57) 5.625 (142.87) 6.625 (168.27)
4 6.187 (157.14) 6.750 (171.45) 7.750 (196.85)
5 7.312 (185.72) 7.875 (200.02) 8.875 (225.42)
6 8.437 (214.29) 9.000 (228.60) 10.000 (254.00)
7 9.562 (242.87) 10.125 (257.17) 11.125 (282.57)
8 10.687 (271.44) 11.250 (285.75) 12.250 (311.15)
9 11.812 (300.02) 12.375 (314.90) 13.375 (339.72)
10 13.937 (328.59) 13.500 (342.90) 14.500 (368.30)
ORDERING INFORMATION
MX - X - XX - XXX - X - XX
MANIFOLD
P - INSTALLATION OF PERFORMANCE 
INDICATORS IN ALL WORKING OUTLETS
NUMBER OF SECTIONS
03 - THREE     06 - SIX        09 - NINE 
04 - FOUR      07 - SEVEN     10 - TEN 
05 - FIVE       08 - EIGHT
VALVE CAPACITY
025 - .025 cu.in. (SEE NOTE 8)     100 - .100 cu.in. 
050 - .050 cu.in.                125 - .125 cu.in. 
075 - .075 cu.in.                150 - .150 cu.in.
TYPE OF VALVE BLOCK
T - TWIN 
S - SINGLE - RH OUTLET 
L - SINGLE - LH OUTLET 
B - TWIN W/CYCLE PIN RIGHT SIDE 
C - SINGLE W/CYCLE PIN RIGHT SIDE - RH OUTLET 
D - SINGLE W/CYCLE PIN RIGHT SIDE - LH OUTLET 
H - TWIN W/CYCLE PIN LEFT SIDE 
J - SINGLE W/CYCLE PIN LEFT SIDE - RH OUTLET 
K - SINGLE W/CYCLE PIN LEFT SIDE - LH OUTLET
† CROSSPORTING OPTION
CR - RIGHT HAND SIDE 
CL - LEFT HAND SIDE 
CB - BOTH SIDES 
† OMIT WHEN NOT REQUIRED
Divider Assembly Sketch Example 
MX-5-50C-75T-100S-25SCR-100T 
Divider With Indicator
COMPONENT ORDERING
Description Part No. Old Part No.
Cycle Switch (SPDT) & Bracket 563272 510-599-000
Cycle Switch (DPDT) & Bracket 564357 510-577-000
Singling Bars 562916 189-000-060
Crossporting Bars 562917 189-000-090
Divider Installation Accessories See Lit No. L15126
Performance Indicators See Lit No. L15401
**Proximity Switch See Lit No. L15600
Accessories & Parts See Lit No. L10161
**Note: Date codes K95 and earlier use gasket type seals. Date codes 
A96 and earlier late use o-ring seals. Verify type of seal used before 
ordering a new or replacement proximity switch.
All written and visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.
NOTES:
1. Capacity sections are specified starting from inlet section, and must equal 
number of sections specified.
2. When a capacity section is crossported, its outlet is plugged and output is 
diverted to the next section, farthest from the inlet.
3. Last capacity section, farthest from the inlet, cannot be crossported.
4. Singled capacity sections can be crossported on one side only.
5. When capacity section is singled, the outlet not being used is plugged.
6. Internal crossporting can be supplied on a capacity section only when 
supplied on a manifold assembly (if supplied as a loose unit, it can be field 
drilled only).
7. External singling and crossporting bars are available for field installation.
8. Cycle Indicator Pin and Proximity Switch are not available on 0.025 capacity 
section.
9. Indicate crossport option after capacity section if required, omit if not 
required.
10. Divider systems should be limited to first and second stages only. Third 
staging is not recommended. Refer to Trabon bulletins L20101, L20105, and 
L20115 for further information on system design.
11. For information on the modular version (MXP) having the same output 
capacities refer to Trabon bulletin L10132.
Contact us today!
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call 800-533-9655 or visit us online at www.graco.com.
©2006-2009 Graco Inc. Form No. L10131 Rev. B 1/09 Printed in U.S.A. All other brand names or marks are used for identification purposes and are trademarks of their respective owners. All written and 
visual data contained in this document are based on the latest product information available at the time of publication. Graco reserves the right to make changes at any time without notice.