Home >

Vacuum Pumps >

Diffusion Vacuum Pumps >

New Agilent Varian Diffusion Pumps and Parts >

VHS 10 Diffusion Pumps >

Agilent Varian Thermal Switch Kit for VHS-10 Diffusion Pump PN L8912301

Load

Agilent Varian Thermal Switch Kit for VHS-10 Diffusion Pump PN L8912301

Condition:

New

Part Number:

P106937

Warranty:

Full Manufacturer's Warranty

Available Now 1

Sale: Kr39,926.91

Currency: Icelandic Króna (ISK)

Description

Agilent Varian VHS-10, Diffusion Pump Thermal Switch Kit.
Agilent Varian PN L8912301

This is a Thermal Switch Kit. Fits the Agilent Varian VHS-10 Diffusion Pump. For location of the baffle retaining ring see item #7 on (diagram exploded view & parts illustration) below.

This Thermal Switch Kit includes:

Thermal Switch
Lug
Wire
Box Insulator

Downloads

Agilent Varian VHS-10, VHS-400 High Vacuum Diffusion Pump Manual.pdf

PDF

Agilent Diffusion Pumps Catalog.pdf

PDF

Brochure

Specifications
Specification	Value
Pumping Speed, Operating Range	3,650 l/s air, 4,560 l/s He/H₂
Maximum Pumping Speed	5,300 l/s air w/standard cold cap; 4,200 w/extended cold cap
Maximum Throughput	6.3 T-l/s (8.4 mbar-l/s) in operating range, 7.5 T-l/s (10.0 mbar-l/s) @ 0.01 Torr
Operating Range	1.7x10⁻³ to < 5x10⁻⁹ Torr at 4,400 W. (2.3 x 10⁻³ to < 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	≥ 30 cfm (51 m³/hr)
Backstreaming Rate	< 5x10⁻⁴ mg/cm²/min (with standard cold cap)
Warmup Time	15 minutes
Cooldown Time	25 minutes (with quick cool coil)
Fluid Charge	1,000 cc
Electrical Requirements	3 ph, 50/60 Hz, 208/240/380/480 VAC
Pump Power	4,400 Watts
Cooling Water Requirements	0.40 gpm (80 l/h)
Water Connections	⅛ in. FPT Tee

VHS-10 Diffusion Pump Replacement Parts List

Description	Part No.	Item
Standard Cold Cap Assembly	F0429301	1
Extended Cold Cap Assembly	L8917301	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	F0428401	4
Jet Coupling	L6367301	5
Splash Baffle	F0431301	6
Foreline Baffle Assembly	F0435301	7
Thermal Switch Includes:	L8912301	8
Switch (set at 300 °F – 147 °C)	642906025	8a
Lug	648056680	8b
Wire	656179100	8c
Box Insulator	89867001	8d
Heater wire, 10 AWG, 42 inches (3 per pump required)	X3901-68003	9
Heater Wiring Kit, Includes:	L8913301	9
15 ft. wire	L8913301	5.1
Nickel lug	648056680	5.1
Terminal Strip Molex 39100-1512	648091065	5.1
Heaters (two heaters required per pump)		10
208 V / 2200 watt Heater Element	647310140	5.1
240 V / 2200 watt Heater Element, 1Ph	647310150	5.1
380 V / 2200 watt Heater Element	647310160	5.1
480 V / 2200 watt Heater Element, wired open Delta, unbalanced load	647310170	5.1
208 V / 2550 watt Heater Element	647310145	5.1
240 V / 2550 watt Heater Element, 1Ph	647310155	5.1
380 V / 2550 watt Heater Element, wired open Delta, unbalanced load	647310165	5.1
480 V / 2550 watt Heater Element, wired open Delta, unbalanced load	647310175	5.1
Heater Crush Plate (replace when either heater is replaced)	K7667001	11
Heater Clamping Plate A36 Steel	K4928001	12
Heater Clamping Plate Retrofit, Slotted	R2667301	12
Heater Insulation Blanket	L8914001	13
Heater Cover	L8903301	14
O-Ring Kit includes:	K0377185	15
1 inlet flange O-ring, Butyl No. 2-385	F0430001
1 foreline flange O-ring, Butyl No. 2-338	660893338
10 Viton fill and drain O-rings (Old style), Viton 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
Viton Centering ring for ISO inlet flange, 320K		16
Centering ring for ISO foreline flange ISO-63K	IC063SV	17
Screw, Socket hd cap, no. 8-32x11/44, stainless steel	Screw	18
Centering ring for ISO inlet flange, 160K	IC160SV	19
Centering ring for ISO foreline flange, KF40	KC40SV	20
Included with the pump:		5.1
1 inlet flange O-ring, Butyl No. 2-385	F0430001	5.1
1 Butyl foreline flange O-ring, Butyl No. 2-338	660893338	5.1
13/8 Hose 1/8 Pipe Barbed Connectors	264301102	5.1
		5.1
DC-702 diffusion pump fluid, 500 cc (2 required)	695472005
DC-704 diffusion pump fluid, 500 cc (2 required)	695474005
DC-705 diffusion pump fluid, 500 cc (2 required)	695475005
Installation and Operation Manual	699901021

Kit Components

Availability Of Kit Components 2 Kit: P106937 - Agilent Varian Thermal Switch Kit for VHS-10 Diffusion Pump PN L8912301
Component	Desc.	Req'd	Avail
Non-Standard	No Component Description Available On Website	1	1