NOP Trochoid Pump Head TOP-220HBM
PUMPTOP-220HBMNOP
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NOP Trochoid Pump Head TOP-220HBM
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Specifications
| Brand | NOP |
|---|---|
| Model Number | TOP-220HBM |
| Official Product Name | NOP TOP-220HBM Trochoid Gear Pump Head |
| Applicable System | Lubrication and circulation oil systems, hydraulic power units, industrial machinery |
| Product Type | Trochoid (Internal Gear) Pump Head |
| Equivalent Standard | Available on request |
| Product Status | Active / In production |
| Theoretical Discharge (50 Hz / 1500 rpm) | 30 L/min |
| Theoretical Discharge (60 Hz / 1800 rpm) | 36 L/min |
| Maximum Pressure (motor output) | 1.2 MPa |
| Maximum Speed | 1800 rpm |
| Approx. Weight | 4.0 kg (4.7 kg with relief valve) |
| Pump Type | Trochoid (internal gear) pump head |
| Recommended Oil | ISO-VG 46, 40 deg C |
| Relief Valve Options | VB (built-in) / VD (external return) |
| Country of Origin | Japan |
| Displacement | 20 cm3/rev |
Product Description
It delivers 20 cm3/rev displacement with a maximum pressure of 1.2 MPa and is paired with a dedicated AC motor sold separately. Built in Japan, it offers quiet operation, long service life and straightforward maintenance for industrial oil systems. The NOP TOP-220HBM is a compact trochoid (internal gear) pump head from the TOP-2HBM series, designed for lubrication, circulation and light hydraulic oil duties.
Basic Product Information
- 20 cm3/rev displacement with 30 L/min flow at 50 Hz
- Maximum pressure up to 1.2 MPa for lubrication duties
- Compact body weighing about 4.0 kg for easy mounting
- Optional built-in relief valve (VB or VD type) for overload protection
- Made in Japan with ISO-VG 46 oil compatibility at 40 deg C
- Trochoid internal-gear design for smooth, low-noise oil transfer
Technical Specifications
Version & Model Difference
The TOP-220HBM is the 20 cm3/rev head of the TOP-2HBM family; smaller (203 to 216) and larger displacements share the same mounting and port pattern. The TOP-2HB series supersedes TOP-2HA with identical performance and interchangeability except the pipe thread changed from G to Rc. Choose the VB or VD suffix for a relief valve.
Application Scenarios
- Lubrication oil supply for machine tools and gearboxes
- Circulation systems for cooling and cutting oil
- Low-pressure hydraulic power units in factory equipment
- Automatic lubrication systems on conveyors and presses
- NOP TOP-220HBM Trochoid Pump with Built-in Motor
Frequently Asked Questions
What is the flow rate of the NOP TOP-220HBM?
Displacement is 20 cm3/rev, giving a theoretical discharge of 30 L/min at 50 Hz (1500 rpm) and 36 L/min at 60 Hz (1800 rpm) when using ISO-VG 46 oil at 40 deg C.
Does the TOP-220HBM include a motor?
No. TOP-220HBM is the pump head only. It is driven by a separate NOP 2MY series AC motor (200 W, 400 W or 750 W), ordered as a combined 2MY-220HBM unit.
What pressure can this pump handle?
Maximum motor-output pressure is 1.2 MPa. For system overload protection, select the VB (built-in relief valve) or VD (external-return relief valve) configuration.
Is the TOP-220HBM interchangeable with older models?
Yes. The TOP-2HB series is a mechanical upgrade of the TOP-2HA series with compatible performance and mounting dimensions; only the pipe thread changed from G to Rc.
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