Description

Rocker 300 Vacuum Pump Price in Bangladesh – Product Overview

The Rocker 300 Taiwan vacuum pump is a premier choice for modern laboratories seeking reliable, clean, and maintenance-free filtration operations. Driven by a piston rather than traditional diaphragms or oil-sealed mechanisms, this system guarantees that no lubricant vapor contaminates your laboratory workspace or your sensitive fluid samples. Designed and manufactured in Taiwan, the unit delivers consistent negative pressure performance, rugged durability, and an exceptionally long service life for local research facilities, diagnostic centers, and industrial testing operations.

Rocker 300 Oil Free Vacuum Pump Technical Specifications

Understanding the precise engineering metrics of the Rocker 300 laboratory pump ensures correct integration into your specific analytical testing setups. The technical design balances efficient power consumption with high flow rates to support multi-branch filtration manifolds, solid-phase extraction blocks, and suspended solid testing equipment.

Performance and Electrical Data

Specification Parameter	Technical Value / Standard
Power Supply Requirement	220V – 240V / 50Hz
Max Power Output	60 Watts (1/8 HP)
Maximum Current Draw	0.3 A
Maximum Vacuum Level	105 mbar / 85 kPa / 650 mmHg
Maximum Flow Rate	20 Liters per minute (L/min)
Motor Rotation Speed	1450 RPM
Built-in Thermal Protection	Yes (Auto-reset at safety thresholds)
Noise Level Rating	50.0 dB
Hose Barb Inlet Size	ID8 (8 millimeters)
Net Structural Weight	4.1 Kilograms
Physical Dimensions	26.8 x 13.5 x 20.4 cm

Rocker 300 Taiwan Vacuum Pump Operational Engineering

The internal mechanics of the Rocker 300 oil free vacuum pump set it apart from conventional fluid-driven or rotary vane hardware. Utilizing an advanced piston-driven design, the system operates entirely without oil lubrication, eliminating the need for periodic oil changes, fluid refilling, or mist filtration accessories. This direct-drive configuration lowers operating overheads while protecting the integrity of laboratory atmospheres from volatile organic chemical emissions.

Air safety is further optimized through an integrated fluid protection mechanism. Every Rocker 300 Taiwan unit comes equipped with a ProteTM filter cartridge at the air inlet connection. This specialized moisture trap prevents accidental liquid overflow or condensation droplets from being drawn directly into the mechanical cylinder. An internal overflow protection device safeguards the mechanical valves against unexpected surge volumes from sample flasks, preventing expensive internal component failures and premature system degradation.

How to Calibrate, Maintain, and Troubleshoot the Rocker 300 Pump

Maximizing the operational lifespan of your oil free vacuum pump requires adherence to standard laboratory calibration, preventative maintenance checklists, and systematic troubleshooting workflows.

Pre-Operation and Calibration Steps

1. Place the vacuum apparatus on a flat, vibration-stable laboratory workbench.

2. Verify that the local electrical outlet matches the 220V 50Hz single-phase power requirement.

3. Attach the ID8 silicone tubing securely to the intake hose barb.

4. Close the adjustable vacuum regulator valve completely to check peak pressure capability.

5. Turn on the power switch and monitor the analogue vacuum gauge face.

6. Confirm the needle smoothly reaches the maximum baseline pressure of approximately 650 mmHg.

7. Gradually adjust the control knob to calibrate the exact vacuum level required for your specific sample filtration protocol.

Scheduled Preventative Maintenance Checklist

• Daily Maintenance: Inspect the transparent moisture trap assembly before initiating any testing cycles. If liquid accumulation is visible, unscrew the catch container, drain the residue, and wipe the threads clean before reassembly.

• Weekly Maintenance: Clean the external housing with a dry microfiber cloth to prevent chemical dust accumulation around the motor cooling vents.

• Monthly Maintenance: Check the internal ProteTM filter element for discoloration or particulate clogging. Replace the filter immediately if it appears dark, yellowed, or if you note an unexplained drop in air flow velocity.

Troubleshooting Common Laboratory Issues

• The pump motor runs but fails to generate a vacuum: First, check all exterior fluid hose connections, analytical glassware joints, and multi-branch manifold seals for ambient air leaks. If the external connections are airtight, inspect the inlet moisture trap. A loose filter housing or a misaligned rubber O-ring will permit atmospheric air to breach the system, dropping vacuum efficiency to zero.

• The pump stops operating abruptly during filtration: This behavior indicates that the automatic thermal protection switch has tripped. The unit shuts down automatically when internal temperatures exceed safe operating limits to prevent motor coil burnout. Turn off the master power switch, unplug the electrical cord, and let the unit cool down in a well-ventilated space for at least 30 minutes. Check the external ventilation slots for blockage before restarting.

• Excessive noise or unexpected physical vibration: Ensure the rubber dampening feet on the base of the machine are clean, intact, and sitting flat on the bench. Loose structural assembly screws or worn internal piston rings can also cause structural rattling; contact an authorized laboratory equipment supplier if internal mechanical wear is suspected.

Essential Applications of the Rocker 300 Diaphragm Pump

The versatility of the Taiwan Rocker 300 pump makes it indispensable across diverse scientific disciplines. Its primary role centers on vacuum filtration systems for suspended solid analysis, micro-organism isolation, and general fluid purification. Analytical chemistry labs utilize the stable negative pressure of this machine to accelerate liquid movement through fine-pore membrane filters, saving valuable bench hours during daily testing runs.

Solid-phase extraction (SPE) procedures also benefit heavily from the smooth, non-pulsating vacuum performance of the Rocker 300. By maintaining a highly uniform pressure gradient across extraction cartridges, the unit prevents sample channeling, resulting in reproducible purification yields. This consistent airflow dynamics is equally critical when operating vacuum desiccators to remove residual moisture or trapped air bubbles from industrial compound samples, polymer resins, or delicate electronics components.