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684 Arrow Grand Circle, Covina, CA 91722 --- 626.332.7744 --- Mon-Fri 9:30AM-6:30PM --- Sat 9AM-1PM
121 NE 40th St, Oklahoma City, OK 73105 --- 405.926.0411 --- Mon-Fri 9:30AM-6:30PM --- Sat 9AM-1PM
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Welch CRVpro Rotary Vane Vacuum Pumps
Product Code WELCH-3061-01
The new CRVpro family of direct drive vacuum pumps offers increased reliability and longer service interval vs. other direct drive rotary vane vacuum pumps. The CRVpro family consumes up to 36% less oil than comparable pumps. Three features drive these benefits:
Manuals and Documents
- Runs 10°C cooler than comparable pumps. Slows corrosion.
- Has a 40% larger oil capacity than comparable pumps. Dilutes aggressive chemicals.
- Has a chemical resistant coating in the oil case and pump module. Protects non-moving parts.
The CRVpro family includes all the features you'd expect in a direct drive rotary vane pump: gas ballast, forced oil lubrication, anti-suckback mechanism and thermal overload protection.
Suitable applications include freeze drying, degassing, vacuum ovens and concentrators.
Direct drive pumps are not recommended for filtration, aspiration, drying electrophoresis gels, or other applications requiring sustained operation above 30 torr.
Manuals and Documents
CRVpro 4-6-8 Manual
CRVpro 30 Manual
CRVpro Series Datasheet
TECHNICAL DATA
|
PARAMETER |
UNIT |
CRVpro 4 |
CRVpro 6 |
CRVpro 8 |
CRVpro 30 |
|
Free air displacement |
|||||
|
-@5OHz |
m3/h (l/min) |
4 (67) |
6 (10o) |
8 (133) |
33.1 (551) |
|
-@6OHz |
CFM (l/min) |
2.8 (78) |
4.2 (118) |
5.6 (158) |
22.1 (627) |
|
ultimate pressure |
|||||
|
- Without gas ballast partial |
mbar (Torr) |
5x10-4(4x10-4) |
3x10-4(2x10-4) |
||
|
- Without gas ballast total |
mbar (Torr) |
2x10-3(1.5x10-3) |
3x10-3(2x10-3) |
||
|
- With gas ballast total |
mbar (Torr) |
7x10-2(5x10-2) |
6x10-3(5x10-3) |
||
|
Connection flanges |
NW |
16 |
25 |
||
|
Hose connection, inlet* |
ID Tubing |
5/8"- 3/4" (16-19 mm) |
3/4" (19 mm) |
||
|
Ambient temperature |
℃ |
10-40 |
|||
|
Noise level (50 Hz) |
dB (A) |
5o |
55 |
||
|
oil capacity |
ml |
1150 |
1000 |
2100 |
|
|
Motor speed |
rpm 50/60Hz |
1450/1740 |
1450/1750 |
||
|
Motor power |
kW 50/60Hz |
0.37/0.4 |
0.7/0.85 |
||
|
Weight |
kg (Ibs.) |
21 (46.3) |
22 (48.5) |
22.5 (49.6) |
39.5 (87) |
|
Dimensions, LxWxH |
mm (inch) |
463/157/230 (18.2/6.1/9.1) |
569/206/289 (22.4/8.1/11.4) |
||
Local Delivery
We offer delivery services for large orders to customers from Central California all the way to San Diego. Please call our sales team for more information on weekly, bi-weekly, or monthly deliveries and pricing. 626.332.7744
Shipping Time
Our main warehouse is located near Los Angeles, you can use the map below to estimate delivery time. Most orders ship one business day after the order is placed, then the transit days will follow. Below the map you will find exceptions to these rules for certain products.
Some items we sell may be warehoused in Amazon's warehouses across the US. If the item you order happens to be in on of their warehouses it will generally arrive in 3 days. If you need to know about a specific item please feel free to contact us and we'll let you know.
Larger and heavier items have to be shipped via LTL Freight. LTL shipments tend to take longer to arrive, but they have the benefit of being much safer for heavy and delicate items. If your order has to be shipped by LTL Freight we will contact you to find out if the delivery address is a residential or commercial address, and whether a loading dock or forklift is available. The freight company will call you to arrange a delivery appointment, usually a day before.
Shipping Costs
The cost of shipping varies based on where you live, how much the order weighs, and the value of the order. We've outline our shipping guidelines below:
To Contiguous US:
- Orders over $100 ship free
- Orders $99.99 and under are a $10 flat fee
To Alaska, Hawaii, and other US Territories:
Cost will be calculated by weight at time of checkout.
To Other Countries:
We currently can offer shipping service internationally.
Please contact us for international shipping cost: info@hfsusa.com
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