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Liquid pump 4B-37
4B-37
Air-driven liquid pump from the 4B series, in the 0.75 hp group. For system specification based on working liquid, target pressure and required flow.
01Series: 4B
02Pump-group power: 0.75 hp
03Actual area ratio: 42:1
04Air-drive heads: Single
The model will be added to your request. The B.N. team will check its suitability for your operating conditions.
HASKEL / TECHNICAL PRODUCT VIEW
APPLICATION & DESIGN
Understand the application.
Applications
- Hydrostatic pressure testing
- Clamping and workholding
- Actuation of hydraulic components and circuits
- Liquid supply to a process
Product features
- Series: 4B
- Pump-group power: 0.75 hp
- Actual area ratio: 42:1
- Air-drive heads: Single
TECHNICAL DATA
Data with a source.
| Parameter | Value and reference conditions |
|---|---|
| Series | 4B |
| Pump-group power | 0.75 hp |
| Actual area ratio | 42:1 |
| Air-drive heads | Single |
| Maximum air pressure | 100 psi / 7 bar |
| Maximum outlet pressure — continuous duty | 3800 psi / 262 bar |
| Maximum outlet pressure — intermittent duty | 3800 psi / 262 bar |
| Displacement per cycle | 0.35 in³ / 5.7 ml |
| Maximum flow in the manufacturer table | 166 in³/min / 2.72 l/min |
Values are catalogue limits and ranges; maximum flow and maximum outlet pressure are not achieved together. Select liquid, wetted materials and seals according to the service/materials table and ordered version. A value with conflicting source units is omitted; clarify it before ordering.
DOCUMENTS & SOURCES
Professional information. Within reach.
Liquid pumps — Hebrew catalogueHebrew · PDF · 28 Pages · 17.3 MB · Opens in a new tabLiquid pumps — manufacturer catalogueEnglish · PDF · 28 Pages · 8.8 MB · Opens in a new tabLiquid pump quick selection guideEnglish · PDF · 12 Pages · 0.8 MB · Opens in a new tabManufacturer catalogue — specifications, performance curves and drawings — p. 6Opens in a new tabHaskel — Air Driven Liquid PumpsOpens in a new tab
More documents in the information centre ←Sources checked: 2026-10-26. Check the revision and configuration when ordering.
YOUR APPLICATION
Your data. Our selection.
- Liquid name and composition, viscosity and temperature
- Operating pressure and required flow at that pressure
- Filling volume and pressure-rise time
- Duty cycle and hold time
- Available air pressure and flow, suction conditions and connections
You may attach a specification, drawing or nameplate photo. The site assistant can help organize the data.