Welch CRVpro 4 2.8 CFM Vacuum Pump NEW UL Listed 115V 1PH 3041-01 304101

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SKU: 40.44207.01

CRVpro4 ROBUST & QUIET DIRECT DRIVE HIGH VACUUM PUMP

Additional information

Weight	50 lbs
New / Rebuilt	New
Level of Vacuum	Medium Vacuum: Atmospheric Pressure (760 torr) to 1 x 10E-3 Torr
CFM / L/M (Displacement)	2.8 CFM
Inlet / Exhaust	KF16
Power Options	Voltage 115V 1ph 50/60 hz +$0

Description

The NEW Welch CRVpro 4 CRV pro4 3041-01

Suggested Applications
• Vacuum Ovens & Chambers
• Organic/Medicinal Chemistry Schlenk Lines
• Smaller Glove Box Antechamber
• Lyophilzers 1L, 2.5L
• Load Locks and RGA Rough Pump
• GCMS Roughing Pump
• Small Wiped Film Fractional Distillation Units
• 2L-3L-5L-10L Sized Short Path Distillation Systems

LOW NOISE LEVEL
Exceptionally quiet for undisturbed work.

FORCED OIL LUBRICATION
Ensures moving parts are bathed in fresh oil. Equilibrates temperature, minimizes oil breakdown, and prolongs mechanical life.

ANTI-SUCK BACK VALVE
Prevents oil from being sucked into application in the event of a power failure.

GAS BALLAST
Minimizes entrained chemicals in pump oil. Protects pump from condensable liquids from application such as water, acetonitrile, etc.

cUL and CE CERTIFICATION
Compliance with local regulations and safety directives for safety operation.

SIZED TO FIT YOUR APPLICATION
Modern and compact design to fit different applications and performance requirements.

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DUAL VOLTAGE MOTOR
IP44 Motors are switchable from 115V to 240V for global use. Each pump includes power cord suitable for country of use.

YOUR BENEFITS
Reduced risk of chemical attacks and oil breakdown by diluting chemical vapors with a larger oil chamber

Slowing down corrosion by cool running Operation

Provides a measure of protection from sublimed chemical vapors with coating on pump module and oil case

Less oil consumption by cool running Operation

Extended usability of oil due to high dilution effect by a larger oil chamber

Highest reliability for stable operation and long product lifespan

Extended oil change intervals for less maintenance costs

Welch CRVpro 4 2.8 CFM Vacuum Pump NEW UL Listed 115V 1PH 3041-01 304101 Specifications

PARAMETER	UNIT	CRVpro 4
Free air displacement -@ 50 Hz -@ 60 Hz	m³/h (l/min) CFM (l/min)	4 (67) 2.8 (78)
Ultimate pressure -Without gas ballast partial -Without gas ballast total -With gas ballast total	mbar (Torr) mbar (Torr) mbar (Torr)	5x10⁻⁴ (4x10⁻⁴) 2x10⁻³ (1.5x10⁻³) 7x10⁻² (5x10⁻²)
Connection flanges	NW	16
Hose connection, inlet¹	ID Tubing	5/8" - 3/4" (16-19 mm)
Ambient temperature	°C	10-40
Noise level (50 Hz)	dB (A)	50
Oil capacity	ml	1150
Motor speed	rpm 50/60 Hz	1450 / 1740
Motor power	kW 50/60 Hz	0.37 / 0.4
Weight	kg (lbs.)	21 (46.3)
Dimensions L x W x H	mm (inch)	463/157/230 (18.2/6.1/9.1)