VB-1200 Series Oil-Free Piston Vacuum Pump (VB-1200V / VB-1200H)

Q: How do the internal cylinder and valve plate configurations differ between VB-1200V and VB-1200H?

The VB-1200V features a larger cylinder bore and optimized intake valve clearance designed to maximize displacement, yielding up to 125 L/min at 60Hz. In contrast, the VB-1200H utilizes a high-compression chamber and reinforced PTFE piston cup assembly, optimizing dead volume reduction to achieve deeper ultimate pressure down to -740 mmHg (-98.6 kPa).

Q: What is the recommended duty cycle and ambient temperature limit for continuous operation?

The VB-1200 series is rated for 100% continuous duty cycle (S1 industrial rating) within ambient temperatures between -5°C and 40°C. If ambient temperatures exceed 40°C or thermal dissipation is restricted inside an OEM enclosure, supplemental forced-air cooling fans are required to prevent premature triggering of the thermal protector.

Q: Can the VB-1200 handle light moisture vapor or particulate-laden air streams?

As a dry piston pump, the VB-1200 is designed for non-condensable dry air. Ingesting liquid droplets or fine particles will accelerate PTFE piston cup wear and degrade valve reed sealing. For humid applications (e.g., dental suction or vacuum drying), an external moisture separator trap and a 5-micron inlet air filter must be installed upstream.

Q: What are the primary wear components on the VB-1200, and what is their typical service life?

The primary wear parts are the self-lubricating PTFE piston cup seals and stainless steel valve reeds. Under clean operating conditions, piston cups typically deliver a service life of 6,000 to 8,000 operating hours. Maintenance requires only replacing the cup seals and intake filter elements—no oil refills or gearbox flushes required.

Q: How does frequency (50Hz vs 60Hz) impact the pneumatic performance of the VB-1200?

Motor rotation speed increases from 1450 RPM at 50Hz to 1750 RPM at 60Hz. Consequently, airflow increases proportionally (e.g., VB-1200V airflow jumps from 105 L/min at 50Hz to 125 L/min at 60Hz), while power consumption rises from 0.37 kW to 0.45 kW on 110V models due to higher inductive load.

The GOFLEX VB-1200 Series Oil-Free Piston Vacuum Pump is an industrial-grade, clean vacuum solution tailored for medical suction, lab equipment, automated edge-banding machines, and electronics manufacturing. Available in two precision-engineered configurations—VB-1200V (delivering high airflow up to 125 L/min) and VB-1200H (achieving deep vacuum up to -740 mmHg / -98.6 kPa)—the VB-1200 offers 100% oil-free, maintenance-free continuous operation. Compact at 7.85 kg and running at a quiet 56 dB(A) with built-in thermal overload protection, it is supplied ready-to-use with a complete kit including an intake filter, silencer, vibration feet, and hose fittings.

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Specification

VB Series Technical Specifications (Featuring VB-1200 Specifications)ModelVoltageFreq.PowerCurrentMax VacuumMax FlowPort SizeNoiseWeight

VB-1200V
High Airflow110V50 Hz0.37 kW3.6 A-700 mmHg
(-93.3 kPa)105 L/min1/4" NPT/G56 dB(A)7.85 kg
110V60 Hz0.45 kW4.1 A125 L/min
220V50 Hz0.24 kW1.5 A105 L/min
220V60 Hz0.38 kW1.7 A125 L/min

VB-1200H
High Vacuum110V50 Hz0.27 kW2.8 A-740 mmHg
(-98.6 kPa)85 L/min
110V60 Hz0.30 kW2.9 A95 L/min
220V50 Hz0.35 kW1.5 A85 L/min
220V60 Hz0.35 kW1.7 A95 L/min
VB-400V110V50 Hz0.24 kW2.7 A-680 mmHg50 L/min1/4" NPT/G56 dB(A)6.5 kg
110V60 Hz0.25 kW2.3 A60 L/min
220V50 Hz0.22 kW1.1 A50 L/min7.8 kg
220V60 Hz0.21 kW1.0 A60 L/min
VB-900V110V50 Hz0.18 kW2.2 A-685 mmHg85 L/min7.85 kg
110V60 Hz0.19 kW1.8 A95 L/min
220V50 Hz0.17 kW0.8 A85 L/min
220V60 Hz0.17 kW0.9 A95 L/min
VB-900H110V50 Hz0.21 kW2.3 A-740 mmHg60 L/min
110V60 Hz0.23 kW2.3 A68 L/min
220V50 Hz0.16 kW0.7 A60 L/min
220V60 Hz0.16 kW0.9 A68 L/min
VB-1400V110V50 Hz0.51 kW4.6 A-700 mmHg120 L/min
110V60 Hz0.67 kW5.9 A145 L/min
220V50 Hz0.45 kW1.7 A120 L/min
220V60 Hz0.55 kW2.3 A145 L/min
VB-1400H110V50 Hz0.36 kW3.4 A-740 mmHg92 L/min1/4" NPT/G56 dB(A)7.85 kg
110V60 Hz0.44 kW3.9 A105 L/min
220V50 Hz0.40 kW1.6 A95 L/min
220V60 Hz0.50 kW2.1 A110 L/min
VB-1800V / H110V60 Hz (V)0.59 kW5.1 A-700 mmHg185 L/min3/8" NPT/G60 dB(A)11.0 kg
220V50 Hz (V)0.55 kW2.5 A-700 mmHg155 L/min
110V60 Hz (H)0.58 kW5.2 A-740 mmHg135 L/min
220V50 Hz (H)0.55 kW2.5 A-740 mmHg110 L/min
VB-2000V / H110V60 Hz (V)0.60 kW5.3 A-700 mmHg208 L/min
220V50 Hz (V)0.55 kW2.5 A-700 mmHg170 L/min
110V60 Hz (H)0.60 kW5.2 A-740 mmHg155 L/min
220V50 Hz (H)0.55 kW5.3 A-740 mmHg128 L/min

Model	Voltage	Freq.	Power	Current	Max Vacuum	Max Flow	Port Size	Noise	Weight
VB-1200V High Airflow	110V	50 Hz	0.37 kW	3.6 A	-700 mmHg (-93.3 kPa)	105 L/min	1/4" NPT/G	56 dB(A)	7.85 kg
110V	60 Hz	0.45 kW	4.1 A	125 L/min
220V	50 Hz	0.24 kW	1.5 A	105 L/min
220V	60 Hz	0.38 kW	1.7 A	125 L/min
VB-1200H High Vacuum	110V	50 Hz	0.27 kW	2.8 A	-740 mmHg (-98.6 kPa)	85 L/min
110V	60 Hz	0.30 kW	2.9 A	95 L/min
220V	50 Hz	0.35 kW	1.5 A	85 L/min
220V	60 Hz	0.35 kW	1.7 A	95 L/min
VB-400V	110V	50 Hz	0.24 kW	2.7 A	-680 mmHg	50 L/min	1/4" NPT/G	56 dB(A)	6.5 kg
110V	60 Hz	0.25 kW	2.3 A	60 L/min
220V	50 Hz	0.22 kW	1.1 A	50 L/min	7.8 kg
220V	60 Hz	0.21 kW	1.0 A	60 L/min
VB-900V	110V	50 Hz	0.18 kW	2.2 A	-685 mmHg	85 L/min	7.85 kg
110V	60 Hz	0.19 kW	1.8 A	95 L/min
220V	50 Hz	0.17 kW	0.8 A	85 L/min
220V	60 Hz	0.17 kW	0.9 A	95 L/min
VB-900H	110V	50 Hz	0.21 kW	2.3 A	-740 mmHg	60 L/min
110V	60 Hz	0.23 kW	2.3 A	68 L/min
220V	50 Hz	0.16 kW	0.7 A	60 L/min
220V	60 Hz	0.16 kW	0.9 A	68 L/min
VB-1400V	110V	50 Hz	0.51 kW	4.6 A	-700 mmHg	120 L/min
110V	60 Hz	0.67 kW	5.9 A	145 L/min
220V	50 Hz	0.45 kW	1.7 A	120 L/min
220V	60 Hz	0.55 kW	2.3 A	145 L/min
VB-1400H	110V	50 Hz	0.36 kW	3.4 A	-740 mmHg	92 L/min	1/4" NPT/G	56 dB(A)	7.85 kg
110V	60 Hz	0.44 kW	3.9 A	105 L/min
220V	50 Hz	0.40 kW	1.6 A	95 L/min
220V	60 Hz	0.50 kW	2.1 A	110 L/min
VB-1800V / H	110V	60 Hz (V)	0.59 kW	5.1 A	-700 mmHg	185 L/min	3/8" NPT/G	60 dB(A)	11.0 kg
220V	50 Hz (V)	0.55 kW	2.5 A	-700 mmHg	155 L/min
110V	60 Hz (H)	0.58 kW	5.2 A	-740 mmHg	135 L/min
220V	50 Hz (H)	0.55 kW	2.5 A	-740 mmHg	110 L/min
VB-2000V / H	110V	60 Hz (V)	0.60 kW	5.3 A	-700 mmHg	208 L/min
220V	50 Hz (V)	0.55 kW	2.5 A	-700 mmHg	170 L/min
110V	60 Hz (H)	0.60 kW	5.2 A	-740 mmHg	155 L/min
220V	50 Hz (H)	0.55 kW	5.3 A	-740 mmHg	128 L/min

Why Choose the VB-1200 Oil-Free Vacuum Pump?

🚀

Enhanced Airflow & Vacuum Dual-Option

Select VB-1200V for powerful suction speeds up to 125 L/min or VB-1200H for deep negative pressure requirements down to -740 mmHg (-98.6 kPa).

🌿

100% Oil-Free & Eco-Friendly

Self-lubricating dry piston ring system prevents oil mist emission, maintaining a pristine operating environment with absolute zero oil maintenance.

🔇

Low Noise (56 dB) & Vibration Control

Integrated rubber isolation dampers and an inlet silencer ensure smooth, quiet operation suitable for indoor laboratories and medical clinics.

🛡️

Thermal Overload Motor Protection

Built-in thermal sensor automatically protects the motor against overheating, unexpected power spikes, or long-hour industrial cycles.

Target Applications & Industry Solutions

🏥 Medical & Surgical Suction

Powers hospital central negative pressure stations, dental suction units, and medical waste evacuation systems.

🔬 Laboratory Equipment

Ideal for vacuum filtration manifolds, desiccators, rotary evaporators, and vacuum drying chambers.

⚙️ Woodworking & Edge-Banding Machines

Provides constant vacuum pressure for automated edge-banders, CNC suction cups, and veneer pressing tools.

📦 Automated Packaging & Thermoforming

Supports blister sealing, pick-and-place automation, electronic components transfer, and tray packaging.

Technical & Application FAQ

How do the internal cylinder and valve plate configurations differ between VB-1200V and VB-1200H?

The VB-1200V features a larger cylinder bore and optimized intake valve clearance designed to maximize air displacement, yielding up to 125 L/min at 60Hz. In contrast, the VB-1200H utilizes a high-compression chamber and reinforced PTFE piston cup assembly, optimizing dead volume reduction to achieve deeper ultimate pressure down to -740 mmHg (-98.6 kPa).

What is the recommended duty cycle and ambient temperature limit for continuous operation?

The VB-1200 series is rated for 100% continuous duty cycle (S1 industrial rating) within ambient temperatures between -5°C and 40°C. If ambient temperatures exceed 40°C or thermal dissipation is restricted inside an OEM machine enclosure, supplemental forced-air cooling fans are recommended to prevent premature triggering of the built-in thermal protector.

Can the VB-1200 handle light moisture vapor or particulate-laden air streams?

As a dry oil-free piston pump, the VB-1200 is designed for clean, non-condensable dry air. Ingesting liquid droplets or abrasive particles will accelerate PTFE piston cup wear and degrade valve reed sealing. For humid applications (e.g., medical dental suction or vacuum drying), an external moisture separator trap and a 5-micron inlet air filter must be installed upstream.

What are the primary wear components on the VB-1200, and what is their typical service life?

The primary wear components are the self-lubricating PTFE piston cup seals and stainless steel valve reeds. Under standard clean operating conditions, piston cups deliver a service life of 6,000 to 8,000 operating hours. Routine maintenance only involves replacing the cup seals and intake filter elements without needing oil refills or messy fluid disposal.

How does AC power frequency (50Hz vs 60Hz) impact the pneumatic performance of the VB-1200?

Motor rotation speed increases from ~1450 RPM at 50Hz to ~1750 RPM at 60Hz. Consequently, maximum airflow increases proportionally (e.g., VB-1200V airflow jumps from 105 L/min at 50Hz to 125 L/min at 60Hz), while power consumption increases from 0.37 kW to 0.45 kW on 110V configurations due to higher inductive load.

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