Binks MX1231 Air Assisted Airless Pump Systems
Air Assisted Airless 31:1 Piston Pump Systems
Manufacturer: Binks
Part #: MX1231XX-XXXXXXX
Description: MX1231: 1.2 gal/m output and 31:1 ratio
Binks MX Pumps are a completely new design in air-operated pump technology utilizing patented magnetic detents to provide fast changeover with virtually no pulsation. The result is paint delivery with less pulsation for a more consistent finish. The MX pistons are ceramic coated – the most durable surface available – for resisting wear from abrasive materials.
The MX Pumps are ideal for air assisted airless spray finishing, supporting 1 to 2 spray guns, with thin to medium viscosity coatings.
- Wood Stains, Varnishes, Lacquers
- Primers & Sealers
- Solvent & Waterborne Coatings
- Enamel & Polyurethane
MX1231 Pump Specifications:
| Ratio: | 31:1 |
| Maximum air inlet pressure: | 8 bar [116 psi] |
| Maximum fluid pressure: | 248 bar [3596 psi] |
| Displacement per cycle: | 72 cc [2.4 oz] |
| Output @ 60 cycles / min: | 4.3 l/m [1.2 US gal/m] |
| Air consumption @ 20 cycles/min and 8 bar [116 psi] air inlet pressure: | 498 LPM [17.6 SCFM] |
| Maximum recommended continuous cycle rate [cycles/min]: | 20 cycles/min |
| Air inlet connection: |
Ø12mm Hose REFERENCE "A" BELOW |
| Fluid outlet connection |
3/8" BSP(m) / 3/8" NPS(m) REFERENCE "B" BELOW |
| Fluid inlet connection: |
3/4" NPS(m) REFERENCE "C" BELOW |
| Wetted parts materials of construction: | Stainless Steel, Tungsten Carbide, PTFE, Polyethylene, Leather, Ceramic |
| Sound level: | 97.3 dB |
| Weight: | 16 kg [35.5lbs] |

When selecting a model, the following options are available:
Seals: PTFE/UHMWPE (PU) or UHMWPE/U-Cup Seals (UC).
Spray Gun: None (0), Airless 75 (P), TROPHY AA 4400 Flat Tip (T) or TROPHY AA 4400 Twist Tip (U)
Air Control: None (0) or Air Control (D).
Mount: None (0), Cart (C) or Wall (W) Mount.
Filter: None (0) or 100 Mesh (1).
Siphon: None (0), 5 Gallon (S) or 55 Gallon (T).
Hose: None (00), 25ft/whip (25) or 50ft/whip (50).
MX1231 Pump System (No Mount)

- Part # MX1231PU-0D00000

- Part # MX1231PU-0DC0000
- Part # MX1231PU-0DC0S00
- Part # MX1231PU-0DC1000
- Part # MX1231PU-0DC1S00
- Part # MX1231PU-PDC1S50
- Part # MX1231PU-TDC1S25
- Part # MX1231PU-TDC1S50
- Part # MX1231PU-UDC1S25
- Part # MX1231PU-UDC1S50
- Part # MX1231UC-0DC0S00
- Part # MX1231UC-PDC1S25
Cart Mounted Spare Parts

| Ref. No. | Part No. | Description | Qty |
| 1 |
BARE PUMP ASSEMBLY (PTFE/LEATHER) BARE PUMP ASSEMBLY (PTFE) BARE PUMP ASSEMBLY (PTFE/UHMW) BARE PUMP ASSEMBLY (U-CUPS) |
1 | |
| 2 |
0909-4400-HF0000 0909-4400-HT0000 |
AA4400 GUN ASSEMBLY (FLAT TIP HOLDER) FLAT SPRAY TIP (1310) AA4400 GUN ASSEMBLY (TWIST TIP HOLDER) TROPHY AA 4400 GUN (FLAT TIP) TROPHY AA 4400 GUN (TWIST TIP) TWIST SPRAY TIP (613) AIRLESS 7500 GUN ASSEMBLY TWIST SPRAY TIP (515) |
1 |
| 3 |
MATERIAL HOSE (1/4" ID X 25', 4000 PSI) MATERIAL HOSE (1/4" ID X 50', 4000 PSI) |
1 | |
| 4 |
AIR HOSE (3/8" OD TUBE X 28FT) AIR HOSE (3/8" OD TUBE X 53FT) |
IF 25' OR 50' HOSE = 1 | |
| 5 |
MATERIAL HOSE (1/8" ID X 3', 5000 PSI) |
1 | |
| 6 | 72-2332 | SWIVEL ADAPTER (1/4" NPS M X F) [NOT SHOWN] | 1 IF GUN TYPE = P |
| 7 | 54-4976 | ADAPTER FITTING (3/8" OD TUBE X 1/4" NPS F) | 1 IF GUN TYPE = G/H |
| 8 | 0115-010180 | AIR CONTROL ASSEMBLY | 1 IF AIR CONTROL = D |
| 9 | 83-4233 | DM NIPPLE (1/4" NPS/NPT X 3/8" NPS/NPT) | 1 IF AIR CONTROL = D |
| 10 | 0115-010186 | TROLLEY ASSEMBLY | 1 |
| 11 | 0115-010179 | PUMP BRACKET | 1 |
| 12 | 0115-010001 | SOCKET HEAD CAP SCREW (M8 X 35mm) | 4 |
| 13 | 0115-010030 | HEX NUT (M8) | 8 |
| 14 | 0115-010031 | LOCK WASHER (M8) | 4 |
| 15 | 0115-010035 | FLAT WASHER (M8) | 8 |
| 16 |
0115-010630 |
S.S. FILTER ASSEMBLY (100 MESH) S.S. FILTER ASSEMBLY (200 MESH) |
1 IF FILTER TYPE = 1 1 IF FILTER TYPE = 2 |
| 17 | 103-1238 | SWIVEL ADAPTER (3/8" NPS F X 1/4" NPT/NPS M) | 1 IF NO FILTER |
| 18 |
SIPHON TUBE ASSEMBLY (5 GALLON) SIPHON TUBE ASSEMBLY (55 GALLON) |
1 IF SIPHON SIZE = S 1 IF SIPHON SIZE = T |
|
| 19 | 0115-010227 | SOCKET HEAD CAP SCREW (M8 X 25) | 4 |
| 20 | 85-521 | SWIVEL ELBOW (3/8" OD TUBE X 1/4" NPT) | 1 IF AIR CONTROL = D |

- Part # MX1231PU-0DW0000
- Part # MX1231PU-0DW0S00
- Part # MX1231PU-0DW1S00
- Part # MX1231PU-0DW1T50
- Part # MX1231PU-TDW1S25
- Part # MX1231PU-UDW1S50
Wall Mounted Spare Parts

| Ref. No. | Part No. | Description | Qty |
| 1 |
BARE PUMP ASSEMBLY (PTFE/LEATHER) BARE PUMP ASSEMBLY (PTFE) BARE PUMP ASSEMBLY (PTFE/UHMW) BARE PUMP ASSEMBLY (U-CUPS) |
1 | |
| 2 |
0909-4400-HF0000 0909-4400-HT0000 |
AA4400 GUN ASSEMBLY (FLAT TIP HOLDER) FLAT SPRAY TIP (1310) AA4400 GUN ASSEMBLY (TWIST TIP HOLDER) TROPHY AA 4400 GUN (FLAT TIP) TROPHY AA 4400 GUN (TWIST TIP) TWIST SPRAY TIP (613) AIRLESS 7500 GUN ASSEMBLY TWIST SPRAY TIP (515) |
1 |
| 3 |
MATERIAL HOSE (1/4" ID X 25', 4000 PSI) MATERIAL HOSE (1/4" ID X 50', 4000 PSI) |
1 | |
| 4 |
AIR HOSE (3/8" OD TUBE X 28FT) AIR HOSE (3/8" OD TUBE X 53FT) |
IF 25' OR 50' HOSE = 1 | |
| 5 |
MATERIAL HOSE (1/8" ID X 3', 5000 PSI) |
1 | |
| 6 | 72-2332 | SWIVEL ADAPTER (1/4" NPS M X F) [NOT SHOWN] | 1 IF GUN TYPE = P |
| 7 | 54-4976 | ADAPTER FITTING (3/8" OD TUBE X 1/4" NPS F) | 1 IF GUN TYPE = G/H |
| 8 | 0115-010180 | AIR CONTROL ASSEMBLY | 1 IF AIR CONTROL = D |
| 9 | 83-4233 | DM NIPPLE (1/4" NPS/NPT X 3/8" NPS/NPT) | 1 IF AIR CONTROL = D |
| 10 | 0115-010179 | PUMP BRACKET | 1 |
| 11 | 0115-010001 | SOCKET HEAD CAP SCREW (M8 X 35mm) | 4 |
| 12 | 0115-010030 | HEX NUT (M8) | 8 |
| 13 | 0115-010031 | LOCK WASHER (M8) | 4 |
| 14 | 0115-010035 | FLAT WASHER (M8) | 8 |
| 15 |
0115-010630 |
S.S. FILTER ASSEMBLY (100 MESH) S.S. FILTER ASSEMBLY (200 MESH) |
1 IF FILTER TYPE = 1 1 IF FILTER TYPE = 2 |
| 16 | 103-1238 | SWIVEL ADAPTER (3/8" NPS F X 1/4" NPT/NPS M) | 1 IF NO FILTER |
| 17 |
SIPHON TUBE ASSEMBLY (5 GALLON) SIPHON TUBE ASSEMBLY (55 GALLON) |
1 IF SIPHON SIZE = S 1 IF SIPHON SIZE = T |
|
| 18 | 0115-010227 | SOCKET HEAD CAP SCREW (M8 X 25) | 4 |
Accessories:
Wall Bracket 0115-010179
Cart Assembly 0115-010186
Tripod Assembly 0115-010100
1/4" Return Hose 0114-009629
- 1/4" Fitting 0114-016059
Suction Hose (MX) 0115-010738
- Strainer 3/4" NPSM, 15 Mesh 0115-010668
3/4'' Suction Hose (MXL) 0115-010742
- Ø10mm Hose/Nylon Tube 0110-009103
- Strainer 3/4" NPSM, 15 Mesh 0115-010668
Air Control 2 Regulators (MXL) 0115-010664
- Air Regulator ZZ-3073
- 1/4''-1/8'' Reducing Bush 0114-019209
- Air Pressure Gauge GA-382-P
- QD Stem 1/4" Female MPV-10
- Elbow 1/4" (M/F) Brass NP 0114-020027
Suction Tube (MX) 0115-010670
- Strainer 3/4" NPSM, 15 Mesh 0115-010668
1/2'' Suction Hose (MXL) 0115-010696
- 1/2" Strainer 15 Mesh 0115-010704
High Pressure Filter 0110-009130
(272 Bar Max, 100 Mesh 3/8" BSP F Inlet, 1/4" NPSM Outlet)
- Filter 50 Mesh 0110-009131
- Filter 100 Mesh 0110-009132
- Filter 150 Mesh 0110-009133
- Filter 200 Mesh 0110-009134
- 3/8" BSP Swivel Nipple 0114-016058
- 1/4" NPSM Outlet Fitting Nipple 0114-016059
- Seal/Filter Gasket 0114-016061
- Outflow Fitting, 1/4" BSP Nipple 0114-019090
- Ball Valve 0114-019091
- Hose Nipple/1/4" BSPT (M) x 8mm Tube Barb 0114-019985
- Filter Housing, Type 3 0115-010398
- Filter Cap, Type 3 0115-010399
- 1/4" NPT Plug 0115-010600
1/2'' Suction Tube (MXL) 0115-010699
- 1/2" Strainer 15 Mesh 0115-010704
Air Controls Dual Regulator Set (MX) 0115-010180
- Mounting Stud for Air Control 0115-010157
- Regulator Panel Nut DVX-58
- Air Pressure Gauge GA-382-P
- Air Regulator ZZ-3073
Hopper Assembly 6L [1.6 US Gal] [1/2" Connection] 0115-010701
- Hopper, 6L [1.6 US Gal] ZZ-2571
- Strainer 00-00-0002147
- Tension Ring 00-00-0002148
- Seal for Hopper ZZ-2587
Pump Lubrication
- Throat Seal Lube, Solvent-Based (0114-016099 & 0114-009433)
- Throat Seal Lube, Water-Based (0114-016100 & 0114-014871)
High Pressure Filter (Pail) 0115-010200
(272 Bar Max, 100 Mesh 1/4" BSP M Inlet)
- Filter 50 Mesh 0110-009131
- Filter 100 Mesh 0110-009132
- Filter 150 Mesh 0110-009133
- Filter 200 Mesh 0110-009134
- Seal/Filter Gasket 0114-016061
- Ball Valve 0114-019091
- Hose Nipple/1/4" BSPT (M) x 8mm Tube Barb 0114-019985
- Elbow 1/4" (M/F) Brass NP 0114-020027
- Filter Housing, Type 3 0115-010398
- Filter Cap, Type 3 0115-010399
- Gauge Adapter, 1/4" BSP-NPT Nipple 191969
- 1/4" BSP Plug 192551
- 1/4" NPT Male Elbow 20-2828
Dump Valve Kit 0115-010672
(272 Bar Max 1/4"NPSM F Swivel - 1/4" NPS M)
- Dump Hose, 10mm 0110-009103
- Outflow Fitting, 1/4" BSP Nipple 0114-019090
- Ball Valve 0114-019091
- Hose Nipple/1/4" BSPT (M) x 8mm Tube Barb 0114-019985
Air Control 1 Regulator (MXL) 0115-010708
- 1/4''-1/8'' Reducing Bush 0114-019209
- Air Pressure Gauge GA-382-P
- Air Regulator ZZ-3073
Hopper Assembly 6L [1.6 US Gal] [3/4" Connection] 0115-010726
- Hopper, 6L [1.6 US Gal] ZZ-2571
- Strainer 00-00-0002147
- Tension Ring 00-00-0002148
- Seal for Hopper ZZ-2587
Literature:
Binks charges a significant fee to drop ship orders of less than $250.00. Therefore, any parts orders under $250.00 will be added to our stocking orders and then reshipped to you. If you need these products faster you can contact us for an expedited drop shipping fee.
Contact: 503-545-3176
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