
Mechanical Diaphragm Pumps
Milton Roy PRIMEROYAL Model PP API675 Metering Pump
PRIMEROYAL PP variable-eccentric metering pump with flow exceeding 15,665 L/h. Modular liquid ends (packed plunger / PTFE / metallic diaphragm), API 675, for oil & gas and demanding chemical dosing.
Max flow
max. >15,665 L/h (single head,)
Max pressure
up to 1,034 bar (note etc. high pressure duty, depends on liquid end)
Turndown / accuracy
—
Wetted materials
—
Protection
—
Power
—
Features
- API 675 compliant; API 674 in fixed-stroke configuration
- Compact variable eccentric drive; capacity adjustable running or stopped
- Vertical or horizontal motor; manual or electric stroke control
- Liquid ends: packed plunger, PTFE double diaphragm, metallic double diaphragm
- Multiplexable; ATEX motor options
- Modular design for demanding industrial processes
Specifications
| Flow | max. >15,665 L/h (single head,) |
| Max pressure | up to 1,034 bar (note etc. high pressure duty, depends on liquid end) |
| Drive | variable eccentric mechanical drive (hydraulic / plunger liquid end) |
| Liquid ends | plunger UT/N; metal diaphragm HPD Type H etc. |
| Stroke control | manual or electric; / can |
| Motor | vertical or type; 50/60 Hz |
| Brand | m Milton Roy |
| Standard | API 675 |
Applications
Materials & media
Ask for wetted-parts details or check the brochure.
Common chemicals: NaOCl, acids, alkalis, polymers — confirm compatibility when inquiring.
Controls & communication
| Stroke control | manual or electric; / can |
Models & specs
| Model | Flow | Pressure | Notes | |
| PP-N-Ø32 | 166–507 L/h | 156–306 bar (per stroke / motor) | Packed plunger Type N; Ø32 mm; SV 59.38 cm³; 50 Hz duty point: 166 L/h@156 bar (48 spm) → 507 L/h@160 bar (146 spm) | |
| PP-UT-Ø63.5 | 656–1,997 L/h | 39–76 bar | Packed plunger Type UT;Ø63.5 mm;SV 237.52 cm³;50 Hz:656@76 (48 spm) → 1,997@39 (146 spm) | |
| PP-UT-Ø69.9 | 794–2,416 L/h | 32–63 bar | Packed plunger Type UT;Ø69.9 mm;SV 287.40 cm³;50 Hz:794@63 → 2,416@32 | |
| PP-UT-Ø177.8 | 5,150–15,665 L/h | approx. 6–9 bar | Packed plunger Type UT large bore; Ø177.8 mm; SV 1,862.15 cm³; max flow point 15,665 L/h (146 spm, with 60 Hz) | |
| PP-H-Ø32 | 165–601 L/h | 136–300 bar | Metallic HPD Type H; Ø32 mm; Diaphragm 168 mm; 50 Hz typical point | |
| PP-H-Ø63 | 639–2,332 L/h | 35–80 bar | Metallic HPD Type H;Ø63 mm;Diaphragm 268 mm | |
| PP-H-Ø70 | 789–2,879 L/h | 28–64 bar | Metallic HPD Type H;Ø70 mm;Diaphragm 268 mm | |
| PP-H-Ø160 | 4,125–10,056 L/h | approx. 7–12 bar | Metallic HPD Type H; Ø160 mm; Diaphragm 366 mm; large flow diaphragm liquid end |
Dimensions & installation
Dimensional drawings available on request (CAD / PDF).
Downloads
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Need help selecting?
Share duty (flow, pressure, media, controls) — we reply within 1 business day.