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Condition:
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Part Number:
  P107016
Warranty:
  As-Stated*

Out of Stock   Agilent Varian NHS-35 Diffusion Pump With Standard Cold Cap, ISO 1000F, 415VAC 37092.09


Regular Price: $43,637.75

On Sale: $37,092.09


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Agilent Varian NHS-35 Diffusion Pump With Standard Cold Cap, ISO 1000F, 415VAC


Agilent Varian NHS-35 Diffusion Pump With Standard Cold Cap, Inlet ISO 1000F bolted, foreline ISO 200K clamped, 3 Phase, 240 VAC.
Maximum Pumping Speed of 50,000 l/s Air, 62,500 l/s Helium, Agilent Varian

These Varian Agilent High Throughput models include the series HS-16, HS-20, HS-32 and NHS-35. This is the NHS-35 diffusion high throughput vacuum pump. They are the primary industrial standard for high vacuum pumping mechanism. The Agilent Varian NHS-35 diffusion pumps have a high pumping speed for all gases and low cost per unit pumping speed when compared with other types of pump used in the same vacuum range. The full fractionating design allows vaporized fluid to be fractionated in the boiler and jet assembly. Contamination and decomposition products are pumped away and only the purest vapor reaches the top jet, assuring highest speed and lowest backstreaming. The vacuum fluid heater is mounted at the bottom of the pump body. The NHS pumps have a fill and drain assembly for easy maintenance of pump fluid and continuous monitoring with thermal protection switches. Finned boilers increase the surface area which prolongs fluid life. The inlet is at the top, and the exhaust is through the foreline.

Diffusion pumps use a high-speed jet of vapor to direct gas molecules in the pump throat down into the bottom of the pump and out the exhaust. The oil diffusion pump is operated with an oil that has low vapor pressure. Its purpose is to achieve higher vacuum (lower pressure) than possible by use of positive displacement pumps alone. Although its use has been mainly associated within the high vacuum range (down to 10-9 Torr), diffusion pumps today can produce pressures approaching 10-10 Torr when properly used with modern fluids and accessories. The features that make the diffusion pump attractive for high and ultra-high vacuum use are its high pumping speed for all gases and low cost per unit pumping speed when compared with other types of pump used in the same vacuum range. Diffusion pumps cannot discharge directly into the atmosphere, so a mechanical forepump is typically used to maintain an outlet pressure around 1 mTorr.

These Varian model NHS-35 high vacuum, high throughput diffusion pumps are new and can be ordered with either a 3-phase 240, 415 or 480 VAC heaters. When ordering please specify which voltage your application will require. We stock and sell diffusion pumps oils, along with vacuum fittings, adapters, and replacement parts for your Agilent Varian NHS-35 diffusion pumps. This pump uses IVP 704 diffusion pump fluid and is designed for high vacuum and fast pumping of large volumes of gas or vapor in production operations. For NHS-35 Instruction Manual scroll down to manuals tab AVAILABLE DOWNLOADS: and download the .pdf.

Highlights For This Agilent Varian NHS-35 Diffusion Pump
  • ISO 1000F Inlet Flange, OD 44 in., ID 35 in., 32 bolt holes (hole diameter .55 in.)
  • ISO 200K Outlet Flange, OD 9.45 in., ID 7.72 in., (6-12 clamps)
  • Standard Cold Cap
  • Maximum Pumping Speed 50,000 l/s air, 62,500 l/s helium
  • 415 VAC @ 4000 Watt Heater (6 required)
  • Weight 1550 lbs. (680Kg) Height 73 in. (1832mm)
  • Designed To Be Used With IVP 704 Diffusion Pump Oil (3 U.S. Gallons)



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Included with ISO Pumps
One Inlet Flange O-ring78536002
One Foreline Flange O-ringIC200SV
Twelve 1/2" Hose 3/8 Pipe Barbed Connectors624301111
Two Water Coupling For Cold Cap622445026
Installation and Operation Manual699901140


ITEM DESCRIPTION PART NO.
1 Standard Cold Cap Assembly 81437301
Water-cooled Halo Baffle K1857335
2
2B
Cold Cap Connectors
Cold Cap Kit with Gasket L88839301
Cold Cap Gasket/Grommet (Kit of 4)L8839301
Cold Cap Nut & Follower (Brass)L8840301
Cold Cap Female Coupling622445026
3 Jet Assembly F1971302
4 1 Butyl O-ring for ASA inlet flange 78536001
5 Foreline Baffle Assembly F1744301
6 Centering ring for ISO foreline flange, 200K IC200SV
7 Sight Glass Service Kit for Pumps Built Before Oct. 1995:
3 Glass TubesF1755008
2 Brass Union 1/4 OD x 1/4 MPT622568108
2 Brass Elbow 69FL 6x4, 169VL6-4623451012
8 O-ring, Viton, Parker No. 2-011660892011
8 O-ring, Viton, Parker No. 2-111660892111
3 O-ring, Viton, Parker No. 2-221660892221
3 O-ring, Viton, Parker No. 2-213660892213
F6097301
7 Sight Glass Service Kit for Pumps Built After 1995 L9223001
8 Threaded Plugs, fill and drain 77261001
Hose Barb 1/2in Hose to 3/8in Pipe 624301111
9 Upper (water) Thermal Switch (Set at 200°F/93°C) K9050005
9 Lower (boiler) Thermal Switch (Set at 600°F/316°C) K9050006
10 Heater wire, 10 AWG, 196 inches (2 per heater required) X3900-68003
10b Heater Wiring Connection Box
11 Heaters (six heaters required per pump, same voltage)
240V/415V/480V, 4000 watt Heater Element w/ leads647335010
200V, 4000 watt Heater Element647335020
400V, 4000 watt Heater Element w/ leadsL6383010
440V, 4000 watt Heater Element w/ leadsL6383011
Heater Retrofit for pumps built bef. May 1990
240V/480V, 4000 watt Heater Element no leads647235248
Kits (clamping plates not included)
240V NHS-35 Diffusion PumpL6391308
480V NHS-35 Diffusion PumpL6391309
380/415V NHS-35 Diffusion PumpL6391326
12 Heater Clampling Plate (Six required per pump) F1749001
13 Heater Insulator (One required per pump) L9699001
14 Cover Plate
Heat Shield (Reusable) L6370001
O-Ring Kit for ASA Pumps includes:
1 Butyl O-ring for ASA inlet flange78536001
1 Butly O-ring foreline flange (2-267)660893267
8 Viton O-rings fill and drain (2-213)660892213
4 Viton O-rings fill and drain (2-221)660892221
1 Sight glass O-ring (2-240)660892240
1 Graphite sight glass gasketL9228001
K0377169
DC-702 diffusion pump fluid, one-gallon 695472008
DC-704 diffusion pump fluid, one-gallon 695474008
DC-705 diffusion pump fluid, one-gallon 695475008
Installation and Operation Manual-download from www.agilent.com/chem/vacuum 699901140
PDF Logo Agilent Varian HS-16, HS-20, HS-32, NHS-35 Diffusion Pumps Manual.pdf

PDF Logo Agilent Diffusion Pumps Catalog.pdf

Ideal Vacuum offers 3D CAD models in Solidworks (SLDPRT), STP, & STEP formats. For those without CAD software a free trial 3D model viewer with measurement capabilities can be downloaded here:

E-drawing LogoeDrawings Viewer For Windows
E-drawing LogoeDrawings Viewer For MAC.




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Ideal Vacuum Products, LLC
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

Phone: (505) 872-0037
Fax: (505) 872-9001
info@idealvac.com



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