Skip to main content
× Home Products Downloads About Contact Careers (505) 872-0037

(505) 872-0037

Shopping Cart Icon
cart
 
Login Icon
login

Keyword       Ideal Spectroscopy Part Number       Manufacturer Part Number

× Molecular-Spectroscopy Optical-Table-Accessories Absorption-Spectroscopy-Gas-Cells Ultra-High Purity Gas Products Pulse-Valves-For-Jet-Cooling Vacuum-Pressure-Measurement Fittings-and-Flanges Vacuum-Valves Vacuum-Pumps Modular-Vacuum-Chambers

Condition:
  New
Part Number:
  P107096
Warranty:
  Against Product Defect

Available Now: 
3  



$73.77


Print Version

Varian VHS-6 Old-Style Diffusion Pump Thermal Overload Switch Aluminum Cover Box


Varian VHS-6 Old-Style Diffusion Pump Thermal Overload Switch Aluminum Cover Box

These Varian VHS-6 diffusion vacuum pump replacement thermal overload switch covers are made of aluminum. They also include the replacement mounting hardware. The thermal switch is used to protect the diffusion pump from over heating which typically occurs from lack of cooling water.



Press ESC to Close


Specifications
Specification Value
Pumping Speed, Operating Range 1500 l/s air, 1,930 l/s He/H₂
Maximum Pumping Speed 2,400 l/s air w/standard cold cap; 950 w/extended cold cap
Maximum Throughput 2.4 T-l/s (3.2 mbar-l/s) in operating range, 3.5 T-l/s (4.5 mbar-l/s) @ 0.01 Torr
Operating Range 1.5x10⁻³ to < 5x10⁻⁹ Torr (2.10 x 10⁻³ < 6.5 x 10⁻⁹ mbar)
Maximum Forepressure No Load: 0.65 Torr (0.85 mbar)
Full Load: 0.55 Torr (0.72 mbar)
Recommended Backing Pump ≥ 17 cfm (29 m³/hr)
Backstreaming Rate < 5x10⁻⁴ mg/cm²/min (with standard cold cap)
Warmup Time 10 minutes
Cooldown Time 10 minutes (with quick cool coil)
Fluid Charge 500 cc - exact fluid charge available
Electrical Requirements 1 ph, 50/60 Hz, 120/208/240 VAC
Pump Power 2,200 Watts
Cooling Water Requirements 0.25 gpm (50 l/h) at 60-80 °F (15-26 °C)
Water Connections ⅛ in. FPT Tee

VHS-6 Diffusion Pump Replacement Parts List

Description Part No. Item
Standard Cold Cap Assembly 86488301 1
Extended Cold Cap Assembly F6455001 2
Sight Glass Repair Kit consisting of: L8908301 3
   Sight Glass L8816001 5.1
   Gasket, Teflon L9694001 5.1
   O-ring, Viton, Parker No. 2-113 CommI 5.1
   O-ring, Viton, Parker No. 2-226 CommI 5.1
Jet Assembly F3365301 4
Splash Baffle F4780301 5
Foreline Baffle Assembly L9172301 6
Thermal Switch Includes: L8912301 7
   Switch (set at 300 °F – 147 °C) 642906025 7a
   Lug 648056680 7b
   Wire 656179100 5.1
   Box Insulator 89867001 7d
Heaters (one heater required per pump) 8
   120 V / 2200 watt Heater Element 647306125 5.1
   208 V / 2200 watt Heater Element 647306175 5.1
   240 V / 2200 watt Heater Assembly 647306225 5.1
VHS-4 heater wire, 10 AWG, 24 inches (3 per pump required) X3901-68001 9
Lugs, Replacement, nickel 648056680 10
Heater Clamping Plate 86086301 11
Heater Insulation 86087001 12
Baffle Retaining Ring 699992156 13
O-Ring Kit includes: K0377184 14
   3 Butyl inlet flange O-ring, Parker No. 2-258 5.1
   10 Viton fill and drain O-rings (old style), Parker No. 2-112 5.1
   10 Viton fill and drain O-rings (new style, Parker No. 2-113 5.1
   1 Sight glass O-ring, Parker No. 2-226 5.1
   1 PTFE gasket 5.1
Screw, Rd hd machine, no. 8-32x31/416, stainless steel Screw 15
Stud, no. 8-32 x 1/2, stainless steel Stud 16
Screw, Socket hd cap, no. 8-32x11/44, stainless steel Screw 17
Centering ring for ISO inlet flange, 160K IC160SV 18
Centering ring for ISO foreline flange, KF40 KC40SV 19
Santovac 5 diffusion pump fluid, 500 cc 695405005
Installation and Operation Manual 699901021
PDF Logo Varian VHS-4 NRC Diffusion Pump and Components Brochure and Specifications.pdf

PDF Logo Agilent Varian VHS4 VHS6 & VHS250 Diffusion Vacuum Pumps.pdf

PDF Logo Varian VHS-6 NRC Diffusion Pump Brochure and Specifiations.pdf

PDF Logo Agilent Varian VHS4 VHS6 & VHS250 Diffusion Vacuum Pumps.pdf



You may wish to consider the following products:

Ideal Vacuum Logo Water Mark
CONTACT US
Ideal Spectroscopy
5910 Midway Park Blvd NE,
Albuquerque, NM 87109-5805

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



Press ESC to Close


deepbox image 2