ORVANT
Industrial Systems
TECHNICAL DATASHEET
ORV-DS-HX-400-EN
Rev 07 · 2026-08
Pumps & Valves · HX-400
HX-400 End-Suction Process Pump
API 610 OH1 process pump for continuous, critical duty.
A heavy-duty overhung process pump with a CFD-optimised semi-open impeller, cartridge mechanical seal and oil-bath bearing frame. Engineered for hydrocarbon, chemical and cooling-water service where downtime is not an option.
500
m³/h max flow
95
m max head
84%
best efficiency
25
bar design pressure

Hydraulics
| Flow range | 40 – 500 m³/h |
| Head | up to 95 m |
| Best efficiency point | 350 m³/h · 80 m · 84 % |
| Speed | 2,980 rpm (50 Hz) · 3,560 rpm (60 Hz) |
| NPSHr at BEP | 4.1 m |
Mechanical
| Design pressure | 25 bar (PN 25) |
| Temperature | −40 to +260 °C |
| Impeller | Semi-open, 6 vanes, Ø 268 mm max |
| Shaft seal | API 682 cartridge, Plan 11 / 53A |
| Bearings | Oil-bath, L10h > 50,000 h |
Drive
| Motor | EM4 110 kW IE4, 2-pole |
| Enclosure | TEFC · IP66 |
| Coupling | Spacer disc, API 671 |
| Monitoring | SENTRY S3 tri-axial sensor |
Materials
| Casing | Duplex stainless 1.4462 (2205) |
| Impeller | Duplex stainless 1.4462 |
| Shaft | 17-4PH (1.4542) |
| Seal faces | SiC / SiC |
| Elastomers | FKM · FFKM optional |
| Baseplate | S355 fabricated, epoxy coated |
Dimensions
Key dimensions
| Overall length | 2,340 mm |
| Overall width | 760 mm |
| Overall height | 1,120 mm |
| Shaft centre height | 450 mm |
| Suction · discharge | DN 150 · DN 125 |
| Weight (with motor) | 1,180 kg |
Applications
- — Hydrocarbon transfer
- — Chemical process
- — Produced water
- — Cooling water
- — Condensate return
- — Desalination
Certifications & standards
| API 610 12th ed. | OH1 configuration compliant |
| ATEX II 2G | Ex h IIC T4 Gb (option) |
| ISO 9906 Grade 1B | Witnessed performance test |
| EN 10204 3.1 | Material certificates, wetted parts |
| ISO 9001:2015 | Quality management, all manufacturing sites |
| CE · UKCA | Machinery & Low Voltage Directives |