Mechanical Diaphragm Pumps
Milton Roy PRIMEROYAL Models PL / PLG API675 Metering Pump
PRIMEROYAL PL/PLG variable-eccentric metering pumps: up to 4,410 L/h and 1,034 bar; modular liquid ends (NX/N&UT, HPD, GSD, metallic MX/M); ±1% accuracy, API 675. PLG supports GSD liquid ends.
Max flow
up to 4,410 L/h (single head, 50 Hz; HPD metal Ø115 inside point)
Max pressure
up to 1,034 bar (; MX Ø10 inside point)
Turndown / accuracy
rated flow 10%–100% range inside ±1%
Wetted materials
—
Protection
—
Power
—
Features
- Brochure: up to 4,410 L/h and 1,034 bar (50 Hz)
- Variable eccentric drive; thrust 900 daN; 100% stroke 50 mm
- Liquid ends: packed plunger NX/N&UT, PTFE HPD/GSD, metallic MX/M
- GSD liquid end for medium-pressure high flow with IMI (PLG)
- Adjustable while running or stopped; multiplexable
- API 675; ATEX / low-temperature options
Specifications
| Flow | up to 4,410 L/h (single head, 50 Hz; HPD metal Ø115 inside point) |
| Max pressure | up to 1,034 bar (; MX Ø10 inside point) |
| Thrust | 900 daN |
| Stroke length | 50 mm (100% stroke) |
| Liquid ends | plunger NX / N&UT; PTFE diaphragm HPD / GSD; metal MX / M; PL and PLG (GSD) |
| Accuracy | rated flow 10%–100% range inside ±1% |
| Standard | API 675 |
| Brand | m Milton Roy |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
Control options are listed in notes or confirmed on inquiry.
Models & specs
| Model | Flow | Pressure | Notes | |
| PL-NX-Ø10 | 33.7 L/h @10 bar；20.4 L/h @Pmax | 1,000 bar | plunger NX; Ø10; SV 3.9 cm³; 149 spm | |
| PL-NX-Ø16 | 86.3 / 71.4 L/h | 440 bar | NX；Ø16 | |
| PL-N-Ø12.7 | 51 / 31.9 L/h | 690 bar | plunger N; Ø12.7 | |
| PL-N-Ø88.9 | 2,663 / 2,659 L/h | 13 bar | plunger N large bore | |
| PL-N-Ø101.6 | 3,480 L/h @Pmax | 9 bar | plunger N; Ø101.6 | |
| PL-HPD-Ø115-H | 4,410 L/h @Pmax | 8 bar | HPD metal H; Ø115; max flow point 4,410 L/h | |
| PL-HPD-Ø115-P | 3,561 L/h @Pmax | 8 bar | HPD plastic P | |
| PLG-GSD-Ø100-H | 3,300 L/h @Pmax | 11 bar | GSD metal H; Ø100 | |
| PLG-GSD-Ø90-H | 2,616 / 2,584 L/h | 14 bar | GSD metal H | |
| PL-MX-Ø10 | 39 / 20 L/h | 1,034 bar | metal double diaphragm MX; Ø10; max. pressure point 1,034 bar |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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