S.I.S. can now repair the gold tips on the valve stems on the Varian MAT 251 Isotope Ratio Mass Spec when these tips become scored. Our repair involves the rebuilding up of the gold tip, followed by machining to a smooth finished surface.
| Part No. | Description | UOM | est wt. |
Quantity In Stock |
Price | Quantity to order |
|---|---|---|---|---|---|---|
| REP251 | MAT 251 Valve Stem Repair | EA | 0.25 | 0[*L]Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | $75.00 | |
| [*L] Standard lead-time for out-of-stock items is approximately two weeks depending on the item. | ||||||
Ordering information.
International (non-US) prices available through your
local dealer.
|
||||||
| SIS Catalog Cross Reference | |
|---|---|
| Page # | Part Numbers |
| B40 - Thermo*/Varian MAT Accessories | REP251 |
 Yttria coated filament at start |
 Yttria coated filament after 16,000 cycles |
New Pumps Added to the List of LOW COST S.I.S. Rotary Vane
Vacuum Pumps - Save 35 - 50% off the price of comparable vacuum pumps.
Adixen (Alcatel) ACP Series Compact Dry Roughing Pumps - a frictionless pumping module, optimized for operation without internal lubricant.
Next-Advance Lab Products - affordable molecular biology instruments that automate mundane tasks, freeing scientists for repetitive, time consuming procedures.
- Direct Replacement for the Shimadzu QP5000 Filament.
PCI Analytics Products - product solutions for all Analytical Instrumentation
SilTite™ FingerTite, the next generation GC capillary ferrule system without the use of any tools.
(25% discount until Oct 31)
Direct Replacement for the Heated Capillary in the Thermo-Fisher Scientific TSQ & LCQ Mass Spectrometers now available
- Ideal for use in analytical instrumentation
- Will improve your laboratory workflow and reporting confidence in many ways
DigiVac Bench Top Vacuum Gauges
- Vacuum instrumentation with everything you need to go to work
Imtakt HPLC Columns
-offer a wide variety of unique stationary phases in their HPLC
columns
Programmable syringe pumps for controlled flow. Model NE-300 priced at only $275.00
NEW: Wiley 9th Edition - 660,000-850,000
spectra (a 65% increase). 
NEW: Agilent 5973/75 Replacement Source
Heater and Temperature Sensor 
NEW: SIS™ Direct Replacement
Filament for the Amatek/Dycor RGA Leak Detectors and Quadrupoles
(p/n 95381VE), which tests have shown increase service life. 
NEW: SIS™
Replacement Filter Elements For Edwards Oil Mist Eliminators -
Save up to 25% off the price of comparable Edwards replacement
elements. 
Identify mass spectra via library
search with the fully-evaluated, most widely used mass spectral
reference library, compiled by the National Institute of Standards
and Technology (NIST). 
View and capture images or video at
20x/400x power on a PC computer via attached USB cable. 