Membranes
OBL MB Series Dosing Pumps & Other Water Treatment Dosing Products
Authorized distributor of OBL MB Series dosing pumps in Indonesia. Providing a range of dosing pump products for water treatment applications with technical support and local stock.
Advanced Solutions for Clean Water
OBL MB Series Dosing Pump & Other Water Treatment Dosing Products
PT Watermart Perkasa is an authorized distributor and main supplier of OBL MB Series dosing pumps and various dosing pump products for water treatment and industrial applications in Indonesia. We provide complete solutions for chemical dosing needs, ranging from mechanical diaphragm pumps, plungers, to hydraulic pumps with various chemical resistant materials. Most of the products are available ready stock in Indonesia to ensure fast delivery and best technical support.
OBL MB Series Mechanical Diaphragm Metering Pumps
OBL MB Series Mechanical Diaphragm Metering Pumps are chemical dosing pumps specifically designed for clean water, wastewater and industrial process treatment applications. With a spring return mechanism, eccentric shaft, and thrust ring, this pump combines the advantages of a plunger pump in terms of performance with the sealing reliability of a diaphragm pump. The MB Series is perfect for dosing aggressive or hazardous chemicals, offering an economical, compact, and low-maintenance solution.
Key Advantages of OBL MB Series
- Spring-actuated mechanical diaphragm for accurate and leak-free dosing
- OBL’s patented diaphragm design ensures linearity between flow rate and stroke
- Easy maintenance with a small number of components
- Compact and sturdy construction using aluminum or glass-reinforced PP
- Availability of various head materials: PP, AISI 316L, Hastelloy, PVDF for broad chemical compatibility
OBL MB Series Specifications
| Model | Strokes (mm) | Max Flow Rate (L/h) | Max Pressure (bar) | Connections (Threaded/Flanged) | Weight (kg) | Max Suction Lift (mWC) | Materials |
|---|---|---|---|---|---|---|---|
| MB11 | 2 | 11 | 12 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB16 | 2 | 16 | 12 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB23 | 2 | 23 | 12 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB31 | 4 | 31 | 8 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB37 | 4 | 37 | 8 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB49 | 4 | 49 | 8 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB75 | 4 | 75 | 6 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB101 | 4 | 101 | 6 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB120 | 4 | 120 | 6 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
| MB155 | 4 | 155 | 6 | 3/8” g.f. BSPF/DN15 | 10-25 | 1.5 | PP, AISI 316L, Hastelloy, PVDF |
Technical Data (Common to All Models)
| Parameter | Value |
|---|---|
| Flow Rate | 11-155 L/h (model dependent) |
| Stroke Length | 2 mm, 4 mm |
| Pump Materials | Aluminum casing; Glass-reinforced PP or AISI 316L pump head |
| Motor | 0.20-0.24 kW (Single/Three phase, 50/60 Hz) |
| Adjustment | 0-10 scale micrometer knob |
| Weight | 10-25 kg |
| Temperature | Max 45°C (chemical compatibility) |
OBL MB Series Application
- Dosing chemicals for clean water and wastewater treatment (coagulants, disinfectants, etc.)
- Industrial process dosing (pH control, corrosion inhibitors, etc.)
- Chemical injection systems for OEM or plant upgrades
- High compatibility with aggressive and hazardous fluids thanks to choice of head material
Installation Requirements
- Ensure maximum suction lift does not exceed 1.5 m.w.c.
- Confirm compatibility of wetted parts material (PP, AISI 316L, Hastelloy) with process chemicals
- Suitable for threaded and flanged connections (DN15)
- Maximum fluid and ambient temperature recommendation 45°C
Compatibility & Control Information
- Diaphragm options: PTFE, rubber, metallic reinforcement
- Controls: Manual micrometer, electric actuator, pneumatic actuator
- Can be integrated with plant control systems (4-20 mA, RS485)
- Accessories available: actuator, control panel, chemical storage tank
Ordering Information
- Select model based on flow rate, pressure, and construction material
- Use model code for option specifications (e.g. MB/37/PP/F/Z)
- Electric (Z-type) and pneumatic (W-type) actuator options available
For full technical details, please download the official datasheet: [Download MB series.pdf](/hubfs/waterpdfs/dosingpumps_obl/MB series.pdf)
Other OBL Dosing Pump Products
In addition to the MB series, PT Watermart Perkasa also provides various other OBL dosing pump models that are ready to meet chemical dosing needs in various industrial and water treatment sectors:
- OBL Dosing Pump MB101 - Capacity up to 101 L/h, maximum pressure 6 bar, available for 1-phase and 3-phase, corrosion-resistant construction.
[Download OBL Dosing Pump MB101.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB101.pdf) - OBL Dosing Pump MB31PP - Flow rate 31 L/h, max pressure 8 bar, PP head material, dosing accuracy ±2%, suitable for water, chemical, F&B and pharmaceutical applications.
[Download OBL Dosing Pump MB31PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB31PP.pdf) - OBL Dosing Pump MB75PP - Capacity 75 L/h, pressure up to 6 bar, PP/AISI 316/PVDF material, patent diaphragm design, ideal for aggressive chemical dosing.
[Download OBL Dosing Pump MB75PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB75PP.pdf) - OBL Dosing Pump MC261PP - Flow up to 260 L/h, max pressure 7 bar, PP head, 3-phase 380V motor, suitable for wastewater, chemical, F&B, and pharmaceutical.
[Download OBL Dosing Pump MC261PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MC261PP.pdf) - OBL Dosing Pump MC321PP - Capacity 320 L/h, pressure 6 bar, head PP, 2 kW 3-phase motor, for medium scale dosing in water, chemical and process industries.
[Download OBL Dosing Pump MC321PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MC321PP.pdf) - OBL Dosing Pump MD521PP - Capacity 520-521 L/h, pressure 5 bar, 0.37 kW motor, 1” BSPT connection, PP material, CE certified.
[Download OBL Dosing Pump MD521PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MD521PP.pdf)
Other OBL Dosing Pump Series
- OBL M Series - Mechanical diaphragm dosing pump, flow 7-1,500 L/h, pressure up to 12 bar, PTFE multilayer diaphragm, food contact compliance, suitable for water treatment, power plant, F&B, and pulp & paper.
[Download OBL M Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL M Series.pdf) - OBL R Series - Plunger metering pump, flow 0.8-1,000 L/h, pressure up to 100 bar, for high viscosity and high temperature applications, food contact version available.
[Download OBL R Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL R Series.pdf) - OBL XRN Series - Hydraulic diaphragm pump, flow 0.6-105 L/h, pressure up to 40 bar, integrated safety relief valve, material AISI 316/PVC/PVDF, compact footprint.
[Download OBL XRN Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL XRN Series.pdf)
Advantages of Choosing OBL Dosing Pump from PT Watermart Perkasa
- Ready stock in Indonesia for popular models, speeding up the procurement and installation process
- Technical support and application consultation by a team of experienced engineers
- Complete solution: dosing pump, chemical tank, control panel, and accessories
- Guaranteed product authenticity and official warranty
- Delivery throughout Indonesia
FAQ - Frequently Asked Questions
What are the main advantages of OBL MB Series over other dosing pumps? : Mechanical diaphragm design with stroke-flow linearity, minimal maintenance, and high chemical compatibility.
Does PT Watermart Perkasa provide installation and commissioning services? : Yes, we provide installation, commissioning, and training services throughout Indonesia.
How to choose the right head material? : Choose based on the type of chemical to be dosed (PP, AISI 316L, Hastelloy, PVDF). Consult with our team for the best recommendation.
Download Datasheet & Full Technical Information
- [Download MB series.pdf](/hubfs/waterpdfs/dosingpumps_obl/MB series.pdf)
- [Download OBL Dosing Pump MB101.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB101.pdf)
- [Download OBL Dosing Pump MB31PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB31PP.pdf)
- [Download OBL Dosing Pump MB75PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MB75PP.pdf)
- [Download OBL Dosing Pump MC261PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MC261PP.pdf)
- [Download OBL Dosing Pump MC321PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MC321PP.pdf)
- [Download OBL Dosing Pump MD521PP.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL Dosing Pump MD521PP.pdf)
- [Download OBL M Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL M Series.pdf)
- [Download OBL R Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL R Series.pdf)
- [Download OBL XRN Series.pdf](/hubfs/waterpdfs/dosingpumps_obl/OBL XRN Series.pdf)
Contact PT Watermart Perkasa
For technical consultation, quote request, or assistance with selecting the right dosing pump product for your application, please contact the PT Watermart Perkasa team via WhatsApp, email, or the contact form on our website. We are ready to help you get the best chemical dosing solution with fast delivery and professional after-sales service.
PT Watermart Perkasa - Indonesia’s trusted dosing pump and water treatment system solution.