You Searched For: WELCH+MATERIALS,+INC.


134,878  results were found

Sort Results

List View Easy View
SearchResultCount:"134878"
Catalog Number: 75856-614
Supplier: Welch Vacuum


Description: For use with Welch* vacuum pumps, models 1402, 1380, 8907, 8912, 8917, 8920, 8925. With 1.5m of thick-walled rubber vacuum hose. Pump Inlet O.D.: 20.6mm. Appliance connector O.D.: 6.35mm and 9.5mm.
Catalog Number: 52201-583
Supplier: Welch Vacuum


Catalog Number: 470110-928
Supplier: Welch Vacuum


Description: For hands-free operation of Welch* WOB-L*, DryFast*, DryFast Ultra* Dry Vacuum and Peristaltic Pumps. Made of durable black painted steel. Nonskid base and foot treadle pads ensure secure footing during repeated operations. Ready once plugged. 2.4m cord. 115V, 60Hz.
Catalog Number: 14233-684
Supplier: Welch Vacuum


Description: Oil-less, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast minimizes vapor condensation. Self-cleaning purge. Free air displacement: 34L/minute. Ultimate pressure: 9 Torr. 29.8Lx20.3Wx28.5Hcm. 7mm tubing needed. 115V. CSA.
Catalog Number: 54994-126
Supplier: Welch Vacuum

CSA Certified


Description: Dial gauge. 2Torr, oil-free, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast, self-cleaning purge. Free air displacement: 34L/minute. Vacuum: 758.2mmHg. 42.2Lx30.5Wx28.7Hcm. Tubing I.D.: 7mm. 115V, 60Hz.
Catalog Number: 12000-544
Supplier: Welch Vacuum

CSA Certified


Description: Digital gauge. 2Torr, oil-free, 2-stage diaphragm pump. Fluorinated plastics on all wetted surfaces. Gas ballast, self-cleaning purge. Free air displacement: 34L/minute. Vacuum: 758.2mmHg. 42.2Lx30.5Wx28.7Hcm. Tubing I.D: 7mm. 115V, 60Hz.
Catalog Number: 12000-546
Supplier: Welch Vacuum

CSA Certified


Description: For coaxial trap 55009-138.
Catalog Number: 55009-128
Supplier: Welch Vacuum


Description: 14mm ID reducer, used to mate two different sizes of ISO flanges. Made of stainless steel. Joins ISO NW25 to NW16.
Catalog Number: 55009-238
Supplier: Welch Vacuum


Description: 22.9mm ID reducer, used to mate two different sizes of ISO flanges. Made of stainless steel. Joins ISO NW40 to NW25.
Catalog Number: 55009-191
Supplier: Welch Vacuum


Description: For molecular traps 55009-272, -274.
Catalog Number: 55009-276
Supplier: Welch Vacuum


Description: Centering ring rubber O-ring - ISO Fittings, For use with Stainless steel centering ring, Replaceable Fluoroelastomer O-ring seal
Catalog Number: 75856-626
Supplier: Welch Vacuum


Catalog Number: 89412-358
Supplier: Welch Vacuum


Catalog Number: 470122-818
Supplier: National Optical


Description: 49.5mm OD aluminum hinged clamp. Closure by wing nut and bolt. ISO size: NW25. Length: 75.3mm.
Catalog Number: 55009-104
Supplier: Welch Vacuum


Description: 66mm OD aluminum hinged clamp. Closure by wing nut and bolt. ISO size: NW40. Length: 94.9mm.
Catalog Number: 55009-109
Supplier: Welch Vacuum


65 - 80 of 134,878