Product Description
OBL MB101PP Mechanical Diaphragm Metering Pump
The OBL MB101PP is a high-performance mechanical diaphragm metering pump designed for precise chemical dosing and reliable fluid transfer. Manufactured in Italy by OBL s.r.l., this robust dosing pump features a bolted plastic (PP/PVC) diaphragm pump head equipped with threaded hose-connector suction and discharge ports. It delivers a rated capacity of 101 liters per hour and operates safely at a maximum working pressure of 6 bar (7 bar max limit). The pump allows for accurate flow control via a manual stroke-length adjustment knob with a 0-4 graduated scale. Engineered for durability, the MB101PP includes an oil-filled gear housing lubricated with Shell Omala EP 320 and an integral mounting base plate for secure installation. Please note: a safety valve must be installed on the discharge line, and the provisional shipping plug must be replaced with the standard working cap before initial start-up.
Technical Specifications:
- Brand: OBL
- Model: MB101PP
- Type: Mechanical Diaphragm Metering / Dosing Pump
- Rated Capacity: 101 l/h
- Max Working Pressure: 6 bar (Max Pressure Limit: 7 bar)
- Pump Head Material: PP/PVC (Plastic)
- Flow Adjustment: Manual stroke-length knob with graduated scale (0-4)
- Lubrication: Oil-filled gear housing (Viscosity: 320 cSt at 40 °C / Shell Omala EP 320)
- Country of Origin: Made in Italy (CE Certified)

OBL MB101PP Mechanical Diaphragm Metering Pump (Dosing Pump)
Shop the OBL MB101PP Mechanical Diaphragm Metering Pump for accurate and reliable chemical dosing. Manufactured in Italy, this industrial dosing pump features a 101 l/h capacity, 6 bar max working pressure, manual stroke adjustment, and a durable PP/PVC pump head. Ideal for commercial water treatment and chemical fluid processing.
| Brand | OBL |
|---|---|
| Model | MB101PP |
| Part No. | 680883700522 |
| Category | Other products |
| Link | https://www.echuan-hydraulic.com/product/obl-mb101pp-mechanical-diaphragm-metering-pump-dosing-pump |





