Laboratory vacuum pump GM series

diaphragmoil-free

Overview
The BIOBASE laboratory diaphragm vacuum pump series provides oil-free vacuum generation for laboratory, industrial and research applications. Available in multiple models to cover low to high flow requirements while offering TEFLON surface protection and continuous operation capability.

Product information

• Brand: BIOBASE
• Origin: CHINA
• Delivery time: Within 7 days
• Supply capacity: Factory direct supply
• Models: GM-0.20; GM-0.5II; GM-0.5IIP; GM-0.5; GM-0.5P; GM-0.33II; GM-0.33IIP; GM-1.0; GM-1.0P

Key features

• Oil-free diaphragm design with built-in exhaust filter for clean exhaust air.
• Automatic cooling exhaust system supports continuous 24 h operation.
• Pressure-adjustable design on applicable models (not applicable to GM-0.20) to set vacuum level and gas flow.
• TEFLON surface treatment for resistance against corrosive gases.
• Anticorrosive variants: GM-0.33IIP, GM-0.5P, GM-0.5IIP, GM-1.0P.

Technical parameters (per model)
Model groups and main data: GM-0.20 — Pump head: 1; Evacuation speed: 15 L/min; Ultimate pressure: 0.075 MPa; Vacuum: 250 mbar; Motor: 75 W; Net weight: 4 kg; External size: 195×98×156 mm; Package size: 325×210×230 mm. GM-0.5II / GM-0.5IIP — Pump head: 2; Speed: 30 L/min; Ultimate pressure: 0.095 MPa; Vacuum: 50 mbar; Motor: 160 W; Net weight: 10 kg; External size: 300×120×235 mm; Package size: 410×230×345 mm. GM-0.5 / GM-0.5P — Pump head: 1; Speed: 30 L/min; Ultimate pressure: 0.08 MPa; Vacuum: 200 mbar; Motor: 160 W; Net weight: 6.6 kg (GM-0.5) / 6.2 kg (GM-0.5P); External size: 210×160×235 mm / 215×120×235 mm; Package sizes as specified. GM-0.33II / GM-0.33IIP — Pump head: 1; Speed: 20 L/min; Ultimate pressure: 0.08 MPa; Vacuum: 200 mbar; Motor: 160 W; Net weight: 6.2 kg; External size: 215×120×235 mm; Package size: 355×215×375 mm. GM-1.0 / GM-1.0P — Pump head: 2; Speed: 60 L/min; Ultimate pressure: 0.08 MPa; Vacuum: 200 mbar; Motor: 160 W; Net weight: 10 kg; External size: 300×160×235 mm; Package size: 415×255×340 mm.

Specifications summary

• Pump head: 1 or 2 (model dependent).
• Evacuation speed: 15–60 L/min depending on model.
• Ultimate pressure: ~0.075–0.095 MPa depending on model.
• Vacuum range: 50–250 mbar depending on model.
• Inlet/outlet: φ6 mm (outlet or silencer depending on model).
• Working temperature: 7–40 ℃; Body temperature <55 ℃.
• Noise level <60 dB.
• Motor power: 75 W (GM-0.20) or 160 W (other models).
• Power supply: AC110/220V ±10%, 50/60Hz.
• Diaphragm/valves material: NBR; TEFLON surface treatment on selected parts.