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.
- m³/h max flow
- 500
- m³/h max flow
- m max head
- 95
- m max head
- best efficiency
- 84%
- best efficiency
- bar design pressure
- 25
- bar design pressure
Datasheet Rev 07 · 2026-08 · Prices on application
● Interactive model · HX-400
Technical specifications
Datasheet Rev 07 · 2026-08
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
Performance
Hover the curves for values
View data table
| Flow (m³/h) | Head (m) | Efficiency (%) |
|---|---|---|
| 0 | 95 | 0 |
| 25 | 94.9 | 11.6 |
| 50 | 94.7 | 22.3 |
| 75 | 94.3 | 32.1 |
| 100 | 93.8 | 41.1 |
| 125 | 93.1 | 49.3 |
| 150 | 92.2 | 56.6 |
| 175 | 91.2 | 63 |
| 200 | 90.1 | 68.6 |
| 225 | 88.8 | 73.3 |
| 250 | 87.3 | 77.1 |
| 275 | 85.7 | 80.1 |
| 300 | 84 | 82.3 |
| 325 | 82.1 | 83.6 |
| 350 | 80 | 84 |
| 375 | 77.8 | 83.6 |
| 400 | 75.4 | 82.3 |
| 425 | 72.9 | 80.1 |
| 450 | 70.2 | 77.1 |
| 475 | 67.4 | 73.3 |
| 500 | 64.4 | 68.6 |
Curves are measured on ORVANT's closed-loop test bed and reproduced to the tolerance class stated on the certificate. Operating windows, trims and speeds are selected by our application engineers for your exact duty point.
Get a duty-point selectionDimensions
Envelope drawing
- 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
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
Applications
- 01Hydrocarbon transfer
- 02Chemical process
- 03Produced water
- 04Cooling water
- 05Condensate return
- 06Desalination
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
Datasheet & downloads
Engineering files on request
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- vibration
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- bandwidth
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- bandwidth
OPS Modular Pump Skid Package
Pumps, valves, instruments and controls, delivered as one tested package.
- point of responsibility
- 1
- point of responsibility
- tested before shipping
- FAT
- tested before shipping
[RFQ]Request a quote
Tell us the duty.
We’ll engineer the answer.
- 24-hour technical responseFrom an application engineer — never a call centre.
- Engineered, not just pricedDuty review, selection and sizing come with every quote.
- Full documentationDatasheets, GA drawings and curves with each proposal.
- Confidential by defaultMutual NDA on request before you share drawings.
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