USA 7Typle NICHWELL NVD Corrosion-Resist Commercial Grade 2-Stage Vacuum Pump

Description

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Features
Adjustable gas ballast
Built-in oil back-flow prevention check valve
Internal forced oil cycling system
Integrated cylinder structure
Exhaust filter with easy-to-change replaceable filter element
Heavy duty structure and designed for reliable long time operation
Low noise
All necessary fittings and filter included for immediate use
Standard package
Part description
Quantity
Part image
NICHWELL NVD vacuum pump
1 set
KF25 flexible stainless steel vacuum bellow (3 ft)
1 pc
KF25 wing nut flange quick clamp
2 pcs
KF25 flange centering ring
2 pcs
User's manual
1 pc
Features:
Two-Shift adjustable gas ballast valve satisfies different requirements of condensable vapor(such as water vapor) to be exhausted out of pump in different processes.
Dual protection of oil anti-sucking back ensures vacuum system from oil pollution when pump stops running and needs to be easily restarted.
Forced oil circulation system consisted of oil  pump and constant pressure oil supply mechanism ensures stable running of the pump.
Less components are used, easy to maintain and repair.
product  parameter
MODEL
NVD-4
NVD-8
NVD-16
NVD-24
NVD-30
NVD-48
NVD-65
Displacement speed
（
cfm
）
50Hz
2.3
4.6
9.4
14.1
17.6
28.2
38.2
60Hz
2.8
5.6
11.3
16.9
21.2
33.9
45.9
Ultimate partial pressure gas ballast closed (Pa)
5x10-2
5x10-2
4x10-2
4x10-2
4x10-2
4x10-2
4x10-2
Ultimate total pressure gas ballast closed (Pa)
5x10-1
5x10-1
4x10-1
4x10-1
4x10-1
4x10-1
4x10-1
Ultimate total pressure gas ballast open (Pa)
3
3
8x10-1
8x10-1
8x10-1
8x10-1
8x10-1
power supply
Single/Three phase
Single/Three phase
Single/Three phase
Single/Three phase
Single/Three phase
Three phase
Three phase
Power rating (kW)
0.4/0.37
0.4/0.37
0.75/0.55
1.1/0.75
1.1
1.5
2.2
Intake and exhaust DN (mm)
KF16/25
KF16/25
KF25
KF25/40
KF25/40
KF40
KF40
Oil capacity (L)
0.6~1.0
0.6~1.0
0.9~1.5
1.3~2.0
1.3~2.0
3.3~4.5
3.3~4.5
Motor speed (rpm)
50Hz
1440
1440
1440
1440
1440
1440
1440
60Hz
1720
1720
1720
1720
1720
1720
1720
Ambient temperature (
℃
)
5 - 40
5 - 40
5 - 40
5 - 40
5 - 40
5 - 40
5 - 40
Noise level (dB)
≤56
≤56
≤58
≤58
≤58
≤62
≤62
Net weight (kg)
19
20
33
35
43
62
65
Describe
1.0utlet
2.Junction box cover
3.Junction box
4.Intake port
5.Gas ballast
6.Exhaust port
7.Oil fill plug
8.Oil housing assy
9.Sight glass
10.0il drain Plug
11.Pump feet
12.Trestle
13.Motor
Payment
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1. We accept payment via PayPal.
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Shipping
1. All items will be shipped by ePacket or Airmail post within 1 business days.
It takes approximately 15-25days(USA ,CA,AU,UK).other country 12-35 days (European, South America, Africa,etc.).
2. We are not Responsible for your Customs duty.
3. We don't add taxes, VAT or other hidden charges. You pay us what you see on the invoice, i.e. goods subtotal + shipping cost (not include duties). Please find out as much as you can about your import taxes in your own country before bidding the item. You need to pay for the import duties in case that occurred for certain goods, or you may kindly give us some suggestions about that, we promise to do our best to help you!
Return polity
1. We guarantee your zero risk purchase experience here.
2. We offer full refund to you,if the product has any quality problem.
3. We do our best to serve our each customer the best that we can.
4. We will refund you for items returned within 14 days of you receiving them, for any reason. A full refund will be given if items are returned in their original condition.
5. Merchandise which is damaged or missing components is not refundable.
6. Buyers are responsible for return shipping with proper packaging.
7.On receiving items, we will refund you immediately.
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.
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Contact us
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The following
FDA
Disclaimer is required for all eBay listing in Healthcare category and is included for REFERENCE:
The sale of this item may be subject to regulation by the U.S. Food and Drug Administration and state and local regulatory agencies. If so, do not bid on this item unless you are an authorized purchaser. If the item is subject to FDA regulation, We will verify your status as an authorized purchaser of this item before shipping of the item.