Reliable capacity even at very high pressure
ORLITA® MH hydraulic diaphragm metering pumps (MHS 18 to MHS 1400) with a stroke length of 15 to 60 mm provide a capacity range of up to 800 l/h at pressures of up to 7 bar. A wide range of power end versions is available for use in areas at risk from explosion with ATEX certification. The Orlita® MH product range is designed to comply with API 675. Its modular construction permits the free combination of drives, power ends and dosing heads, producing a pump for a range of different feed rates and media operating at different working pressures.
Your benefits
Excellent process safety and reliability:
- Metal double diaphragm with integrated diaphragm rupture warning system ensures precise and low-wear operation even at very high pressure
- The product chamber is hermetically separated from the hydraulic part
- Integrated hydraulic relief valve and automatic bleed valve for the hydraulic chamber
- Wear-free, valveless enforced anti-cavitation of the hydraulic leakage guarantees optimum dosing precision
- Cone valves for use as suction and/or discharge valves with minimal wear, good self-cleaning and low pressure loss (NPSHR)
Excellent flexibility:
- It is possible to combine up to 6 metering units, even with different pump capacities, in multiple pump systems
Technical Details
- MHS 18 – Stroke length: 0-15 mm, Rod force: 1,750 N
- MHS 35 – Stroke length: 0-20 mm, Rod force: 3,500 N
- MHS 80 – Stroke length: 0-20 mm, Rod force: 14,000 N
- MHS 180 – Stroke length: 0-40 mm, Rod force: 18,000 N
- MHS 600 – Stroke length: 0-40 mm, Rod force: 40,000 N
- MHS 1400 – Stroke length: 0-60 mm, Rod force: 60,000 N
- Stroke length adjustment range: 0 – 100% in operation and idle.
- Stroke length adjustment: manually by means of a manual adjustment wheel and scaled display (optionally with electric actuator or control drive).
- Metering reproducibility is better than ± 1% within the 10 – 100 % stroke length range under defined conditions and with proper installation (API 675).
- Metal diaphragm with diaphragm rupture monitoring system
- Integrated hydraulic relief and bleed valve
- Wetted materials: Stainless steel, special designs are available on request
- A wide range of power end versions is available: 3-phase AC motors, motors for use in areas at risk from explosion and different flange designs for use in customer-specific motors
- Degree of protection: IP 55
- Temperature range - 60 °C to + 200 °C
- Design in compliance with API 675 among others
Technical Data
| Pump type | Plunger Ø | Stroke volume | Max. capacity (theo.) in l/h at strokes/min (50 Hz) | Max. pressure |
|---|
| | | | 58 | 73 | 91 | 112 | 145 | 207 | |
|---|
| mm | ml/stroke | l/h | l/h | l/h | l/h | l/h | l/h | bar |
|---|
| MHS 18/ | 3 | 0.11 | 0.37 | 0.46 | 0.58 | 0.71 | 0.92 | 1.32 | 100 |
| MHS 18/ | 5 | 0.29 | 1 | 1.2 | 1.6 | 1.9 | 2.5 | 3.6 | 400 |
| MHS 18/ | 6 | 0.42 | 1.4 | 1.8 | 2.3 | 2.8 | 3.6 | 5.2 | 400 |
| MHS 18/ | 7 | 0.58 | 2 | 2.5 | 3.1 | 3.8 | 5 | 7.1 | 400 |
| MHS 18/ | 8 | 0.75 | 2.6 | 3.2 | 4.1 | 5 | 6.5 | 9.3 | 348 |
| MHS 18/ | 10 | 1.18 | 4.1 | 5.1 | 6.4 | 7.8 | 10.2 | 14.6 | 222 |
| MHS 18/ | 12 | 1.70 | 5.9 | 7.3 | 9.2 | 11.3 | 14.7 | 21 | 154 |
| MHS 18/ | 16 | 3.02 | 10.5 | 13.1 | 16.4 | 20.1 | 26.2 | 37.4 | 87 |
| MHS 18/ | 20 | 4.71 | 16.4 | 20.5 | 25.5 | 31.5 | 41 | 58.5 | 55 |
| Pump type | Plunger Ø | Stroke volume | Max. capacity (theo.) in l/h at strokes/min (50 Hz) | Max. pressure |
|---|
| | | | 58 | 73 | 91 | 112 | 145 | 207 | |
|---|
| mm | ml/stroke | l/h | l/h | l/h | l/h | l/h | l/h | bar |
|---|
| MHS 35/ | 7 | 0.77 | 2.6 | 3.3 | 4.1 | 5.1 | 6.7 | 9.5 | 900 |
| MHS 35/ | 8 | 1.01 | 3.5 | 4.3 | 5.4 | 6.7 | 8.7 | 12.4 | 630 |
| MHS 35/ | 10 | 1.57 | 5.4 | 6.8 | 8.5 | 10.5 | 13.6 | 19.5 | 445 |
| MHS 35/ | 12 | 2.26 | 7.8 | 9.8 | 12.3 | 15.1 | 19.6 | 28.1 | 309 |
| MHS 35/ | 14 | 3.08 | 10.7 | 13.3 | 16.7 | 20.6 | 26.7 | 38.2 | 227 |
| MHS 35/ | 16 | 4.02 | 13.9 | 17.4 | 21.8 | 26.9 | 34.9 | 49.9 | 174 |
| MHS 35/ | 18 | 5.09 | 17.7 | 22.1 | 27.6 | 34.0 | 44.2 | 63.2 | 137 |
| MHS 35/ | 20 | 6.28 | 21.8 | 27.3 | 34.1 | 42.0 | 54.6 | 78.0 | 111 |
| MHS 35/ | 22 | 7.60 | 26.4 | 33.0 | 41.3 | 50.8 | 66.1 | 94.4 | 92 |
| MHS 35/ | 25 | 9.80 | 34.1 | 42.7 | 53.3 | 65.7 | 85.4 | 122.0 | 71 |
| MHS 35/ | 36 | 20.36 | 70.8 | 88.5 | 110.6 | 136.2 | 177.1 | 253.0 | 34 |
| MHS 35/ | 40 | 25.13 | 87.4 | 109.3 | 136.6 | 168.2 | 218.6 | 312.3 | 27 |
| MHS 35/ | 45 | 31.81 | 110.6 | 138.3 | 172.9 | 212.8 | 276.7 | 395.3 | 22 |
| Pump type | Plunger Ø | Stroke volume | Max. capacity (theo.) in l/h at strokes/min (50 Hz) | Max. pressure |
|---|
| | | | 98 | 104 | 122 | 134 | 160 | 182 | |
|---|
| mm | ml/stroke | l/h | l/h | l/h | l/h | l/h | l/h | bar |
|---|
| MHS 80/ | 16 | 4.02 | 23.6 | 25.0 | 29.4 | 32.4 | 38.6 | 43.9 | 696 |
| MHS 80/ | 18 | 5.09 | 29.9 | 31.7 | 37.2 | 41.0 | 48.8 | 55.5 | 550 |
| MHS 80/ | 20 | 6.28 | 37.0 | 39.1 | 46.0 | 50.6 | 60.3 | 68.5 | 445 |
| MHS 80/ | 22 | 7.60 | 44.7 | 47.4 | 55.6 | 61.3 | 73.0 | 82.9 | 368 |
| MHS 80/ | 25 | 9.82 | 57.8 | 61.2 | 71.9 | 79.1 | 94.2 | 107.1 | 285 |
| Pump type | Plunger Ø | Stroke volume | Max. capacity (theo.) in l/h at strokes/min (50 Hz) | Max. pressure |
|---|
| | | | 99 | 117 | 134 | 156 | 173 | 204 | |
|---|
| mm | ml/stroke | l/h | l/h | l/h | l/h | l/h | l/h | bar |
|---|
| MHS 600/25,5 | 25.5 | 20.43 | 121 | 143 | 164 | 191 | 211 | 249 | 783 |
| MHS 600/28 | 28 | 24.63 | 146 | 172 | 198 | 230 | 255 | 300 | 649 |
| MHS 600/30 | 29.2 | 26.79 | 159 | 188 | 215 | 250 | 277 | 327 | 570 |
| MHS 600/32 | 32 | 32.17 | 191 | 225 | 258 | 301 | 333 | 393 | 497 |
| Pump type | Plunger Ø | Stroke volume | Max. capacity (theo.) in l/h at strokes/min (50 Hz) | Max. pressure |
|---|
| | | | 93 | 106 | 125 | 143 | 169 | 191 | |
|---|
| mm | ml/stroke | l/h | l/h | l/h | l/h | l/h | l/h | bar |
|---|
| MHS 1400/ | 30 | 42.41 | 235 | 270 | 318 | 364 | 431 | 486 | 848 |
| MHS 1400/ | 32 | 48.25 | 268 | 307 | 362 | 414 | 490 | 553 | 746 |
| MHS 1400/ | 36 | 91.07 | 339 | 388 | 458 | 524 | 620 | 700 | 589 |
| MHS 1400/ | 40 | 75.40 | 419 | 480 | 565 | 647 | 766 | 864 | 477 |
Important note:
Abridged presentation of our complete product range. Other types on request
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