Name: Edwards RV8 5.9 CFM Two-Stage Rotary Vane Vacuum Pump, 115/230V, 1-Ph, Factory Set 115V
Brand: Edwards
SKU: ED-A65401906
Price: 5750.0 USD
Availability: InStock

Description

Edwards RV8 5.9 CFM Two-Stage Rotary Vane Vacuum Pump, 115/230V 1-Ph| USA Lab

The Edwards RV8 is a compact, oil-sealed two-stage rotary vane pump delivering up to 5.9 CFM of reliable rough vacuum. Backed by 80+ years of Edwards engineering, the RV series combines excellent ultimate pressure, superior vapor handling, and quiet operation for demanding lab and industrial workflows.

This RV8 is equipped with a fast-acting automatic inlet valve for best-in-class anti-suckback protection, a universal 115/230V single-phase motor (factory set to 115V), and a two-position gas ballast with a mode selector to optimize performance for your process.

Each pump ships pre-filled with Ultragrade 19 oil and is designed for easy maintenance—polymer blades, self-aligning components, and serviceable shaft seals minimize downtime.

Oil-sealed vacuum pumps ship with oil. Follow local hazmat rules for transport and disposal.
Inspect on delivery; report concealed damage within 3 business days.

Two-Stage Rotary Vane 5.9 CFM @ 60 Hz 1.5×10⁻³ mbar Ultimate Gas Ballast GB I/II

Performance: Up to 4 CFM (60 Hz) with excellent ultimate pressure for reliable roughing and backing.

Vapor Handling: Two-position gas ballast and high tolerance enable faster drying and process throughput.

Protection: Fast-acting inlet valve delivers best-in-class anti-suckback to safeguard instruments and product.

Why buy from USA Lab

Expert Support
Engineers & technicians on staff.

Quality First
Tested and trusted products.

Fast Fulfillment
Nationwide 1-2 day shipping.

Warranty & Parts
US-based service & spares.

Resources & Downloads

Instruction Manual Technical Data Sheet (TDS)

Why the Edwards RV8?

High reliability — rugged two-stage design with superior particulate handling for long service life.
Best-in-class protection — automatic inlet valve for rapid anti-suckback keeps systems safe at shutdown.
Optimized control — mode selector and two-position gas ballast match vapor loads without over-diluting.
Easy maintenance — polymer blades, self-aligning parts, and serviceable shaft seals reduce downtime.
Universal power — 115/230V single-phase motor (factory set 115V) covers global labs and field carts.

Talk to an expert

Get sizing help for mass spec, electron microscopy, coating, and turbo backing.

Call 734-855-4890

Technical Specifications

Edwards RV Series Specifications	Hz	Units	RV3	RV5	RV8	RV12
Peak Pumping Speed	60	cfm	2.3	3.6	5.9	8.4
Peak Pumping Speed	50	m³/h	3.3	5.1	8.5	12
Ultimate Pressure (Total)	60	Torr	1.5 × 10^-3 (1.5 × 10^-2 with Fomblin®)
Ultimate Pressure (Total)	50	mbar	2.0 × 10^-3 (2.0 × 10^-2 with Fomblin®)
Ultimate Pressure GB I (Total)	50/60	Torr	2.3 × 10^-2
Ultimate Pressure GB I (Total)	50/60	mbar	3.0 × 10^-2
Ultimate Pressure GB II (Total)	50/60	Torr	9.1 × 10^-2	9.1 × 10^-2	4.6 × 10^-2	9.1 × 10^-2
Ultimate Pressure GB II (Total)	50/60	mbar	1.2 × 10^-1	1.2 × 10^-1	6.0 × 10^-2	1.2 × 10^-1
High Throughput Mode	50/60	Torr	2.3 × 10^-2
High Throughput Mode	50/60	mbar	3.0 × 10^-2
Water Vapour Tolerance	—	Torr	60	38	38	24
Water Vapour Tolerance	—	mbar	80	50	60	32
Water Vapour Capacity — GB I	—	g/h	60	60	60	60
Water Vapour Capacity — GB II	—	g/h	220	220	220	290
Motor rating 1–Phase (Nominal)	60	W	550	550	550	550
Motor rating 1–Phase (Nominal)	50	W	450	450	450	450
Motor rating 3–Phase	60	W	300	300	550	550
Motor rating 3–Phase	50	W	250	250	450	450
Nominal Rotation Speed	60	rpm	1800
Nominal Rotation Speed	50	rpm	1500
Weight	—	lb	55	55	61.6	63.8
Weight	—	kg	25	25	28	29
Oil Capacity	—	L	0.7	0.7	0.75	1
Oil Type (Ultragrade)	—	—	19
Inlet Flange	—	—	NW25	NW25	NW25	NW25
Exhaust Flange	—	—	NW25	NW25	NW25	NW25
Noise Level	50	dB(A)	48
Noise Level (with Acoustic Enclosure)*	50	dB(A)	41
Operating Temperature Range	—	°C	12 to 40

Popular Industries & Use Cases

Botanical Extraction Pharmaceutical Chemical Sciences Academic & Research

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Programs & Terms

Exclusive options for businesses and academics.

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Documentation & Compliance

Keep purchasing streamlined and compliant.

Request a Quote Tax Exemption

Custom Solutions

Tailored tanks, skids, and integration help.

Custom Request Consulting

Talk to Sales

We’ll help spec the right system for your throughput.

Call 734-855-4890 Email Sales/Support

FAQ

What is the pumping speed of the RV8?

The RV5 delivers up to 5.9 CFM at 60 Hz (≈4 CFM nominal) making it ideal for roughing and turbo backing.

Does the pump include oil?

Yes. RV pumps are supplied with an initial charge of Ultragrade 19 oil. Check the sight glass and top off after installation.

Can I run with a gas ballast?

Yes. The two-position gas ballast (GB I / GB II) increases vapor handling to help prevent condensation in the oil during wet loads.

What power is required?

The universal single-phase motor supports 115/230V, 50/60 Hz. This unit ships factory set to 115V.

Important Shipping Notice!

DISCLAIMER:

All items are carefully packaged to ensure safe delivery. In the rare event that your item arrives damaged, please notify us within 3 days of receipt. We will promptly provide a replacement or issue a refund.

Please note that any damage occurring after delivery is not covered under warranty. We appreciate your understanding and your trust in our products.