Specialty Glass Products, Inc. - Willow Grove, PA
Manufacturer, Custom Manufacturer, Service Company
Custom manufacturer of flat disc gage glasses with ground or polished surface finishes. Specifications of flat disc glasses include 1 in. to 16 in. dia., 0.001 in. to 0.015 in. dia. tolerance, 0.010 in. to 0.197 in. thickness & 0.0005 in. to 0.005 in. thickness tolerance. Standard sizes are also available. ISO 9001:2000 compliant.
catalog.sgpinc.com/addtocart/s-1006-qtys-1-...

Swift Glass Company, Inc. - Elmira, NY
Custom Manufacturer
Manufacturer of flat disc gage glasses. Flat disc gage glasses are thermal shock resistant. Specifications include tempering range from 1/8 in. up to 2 in. & glass size range from 1 in. up to 36 in. x 72 in. Capabilities include cutting, edge grinding, decorating, surface lapping & polishing, convexing & bending & tempering for increasing glass thickness. Hand-held digital measuring devices, optical comparators, spectrophotometer & polarimeter are used for checking tempering, light transmission, flatness & parallelism. Industries served include marine, nuclear, electronics, optical, automotive & photographic.
Brand Names: Borofloat, MacBeth, Pyrex
www.swiftglass.com/index.html

GrayGlass (Gray Glass) - Queens Village, NY
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of flat disc gage glasses. Custom fabricated specialty, high temperature, safety flat glass, tubing, windows, Pyrex™, Vycor™, quartz, Borofloat™ clear ceramics. Tempered, laminated & chemically strengthened.
Brand Names: AFG, Devon, Guardian, Kopp, Pilkington, Pyrex, Saint-Gobain
grayglass.net/glass.cfm/Industrial-Products...

John C. Ernst Co., Inc. - Sparta, NJ
Distributor, Manufacturer
Manufacturer of flat disc gage glasses including flat plate glasses & flat gauge glasses. Flat plate glasses such as clear annealed borosilicate, clear tempered borosilicate, blue cobalt furnace, clear Vycor®, clear fused quartz & amber tint Pyroceram® are available. Flat gauge glasses are available in reflex & transparent types. Clear annealed borosilicate glass is available in 1/4 in. thickness & are used for furnaces, ovens, observation equipment, flow indicators & pressure vessels/tanks.
Brand Names: Duran
www.johnernst.com/glass_gaskets_index.html

Flabeg Technical Glass US / Naugatuck Glass - Naugatuck, CT
Manufacturer, Custom Manufacturer
ISO 9002 certified manufacturer of precision glass components & mirror components including gage, flat disc gage & porthole glasses. Range of glass thickness from 0.043 - 0.134 in & a standard cutting tolerance of plus/minus 0. 10 - 0.020. Applications & industries served include cosmetics, novelty, automotive & solar power reflectors. Military Spec. MIL-105D compliant.
www.flabeg.com/index.php?id=112&L=1

S.I. Howard Glass Co., Inc. - Worcester, MA
Distributor, Custom Manufacturer, Service Company
Distributor of precision glass components. Full inventory of glass available in various sizes including water white, borosilicate, soda lime, optical filter glasses, mirrored glass & signal mirror glass. All types of glass can be altered to fit custom requirements & applications through fabrication specialties such as surface grinding & polishing, scribe & break, machine edging, high vacuum coatings, drilling, laminating, heat strengthening & sandblasting & frosting.
www.howardglass.com/home.htm

Pegasus Industrial Specialties, Inc. - Cambridge, ON
Distributor, Manufacturer, Custom Manufacturer, Service Company
Manufacturer & distributor of non-porous & transparent technical & laboratory glass products, industrial apparatus & corrosion & heat-resistant household glassware including glasses for flat disc, reflexed type & tubular gage. Used in chemistry, petrochemistry, food, energy & metalworking industries, health care, microbiology, pharmacy, mechanical engineering & laboratories.
pegasusglass.rtrk.com/?scid=2786562&rl_alt=...

Tel-Tru Mfg. Co., Inc. - Rochester, NY
Manufacturer
Manufacturer of optics for photonic applications including imaging, scanning & detection. Capabilities include handling requirements for optical & mechanical design, injection molding, reflective/anti-reflective coatings, or precision opto-electronic assemblies. Prototypes to high volume production.
www.teltru.com

National Scientific Co. - Quakertown, PA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Distributor of gage flat disc glasses including wall & capillary tubular glass. Specifications of gage flat disc glass include 5.5 mm to 9.0 mm OD & 0.50 mm to 2.75 mm ID.
Brand Names: Pyrex
www.quartz.com/pyrex.html

Newport Industrial Glass, Inc. - Stanton, CA
Distributor, Manufacturer, Custom Manufacturer, Service Company
Instrument tubing & rod: Pyrex tubing & rods, quartz tubing & rod, standard & wall tubing, brass, bronze & copper tubing, medium wall tubing, heavy wall tubing, high pressure, red-line tubing, gauge glass, fabricated parts, precision bore, chemical glass pipes.
www.newportglass.com/indgls.htm

Kopp Glass, Inc. - Pittsburgh, PA
Manufacturer, Custom Manufacturer
ISO 9001: 2008 certified. Manufacturer of molded & blown, clear & colored (UV through IR), borosilicate glasses for use in sight, metering & indication applications.
www.koppglass.com/

Laurel Industries - Highland Park, IL
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of standard & custom soda lime glass & flat disc gage glass in production & prototype quantities for high temperature applications. Soda lime & gage glass meets Military Spec. or customer specifications.
laurelindustries.com/optics.htm

Klingerit Products, H. S. White Co., Inc. - Pompano Beach, FL
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 manufacturer of industrial glass, flat disc & reflexed type gage glasses. Other products include gaskets & industrial hose.
www.hswhite.com/

Kimble Chase - Vineland, NJ
Manufacturer, Custom Manufacturer, Service Company
ISO 9001:2008 certified worldwide manufacturer of standard & custom flat disc gage glasses. Products include adapters, ampules, beads, beakers, bottles, burets, caps, closures, centrifuge tubes, chromatography products, clamps, concentrators, condensers, cones, crucibles, cylinders, desiccators, dishes, dispensers, distillation apparatus & evaporative concentrators. Filter funnels, flasks, fritted ware, hose connectors, hydrolysis tubes, impingers, pipets, pressure vessels, serialized ware, spatula, stirrers, stoppers, syringes, needles, thermometers, valves & vials are also available.
www.kimble-chase.com/index.html

T. G. Rankin Co. - North Kansas City, MO
Distributor
Distributor of gage glass, sight glass, liquid level gages, sight flow indicators, waste water & septic systems, pumps & sump pumps.

Archon Industries, Inc. - Suffern, NY
Distributor, Manufacturer, Custom Manufacturer
Manufacturer of liquid level gauges that are available with valves & have reflex & transparent type glass. Gages are rated for low, medium & high pressure & for steam service. A complete line of sight flow indicators for visual observation of product flow. Armored, flanged, threaded & clamp-on sight flows are available.

Kaufman Glass Company - New Castle, DE
Distributor, Custom Manufacturer, Service Company
Distributor & custom fabricator of flat disc gage glasses with standard gaskets & mica shields. Types of gage glasses include plain, high pressure & reflex glasses. Capabilities include fabricating, beveling, annealing, cutting, decorating, drilling, edging, grinding, laminating, notching, sand blasting, swiping & tempering. Gage glasses can also be custom fabricated to specifications. Stock items are also available. Meets Military Spec.
Brand Names: Corning, Schott

Flabeg Corp. - Brackenridge, PA
Manufacturer, Custom Manufacturer
ISO 9002 certified manufacturer of precision glass components & mirror components including gage, flat disc gage & porthole glasses. Range of glass thickness from 0.043 - 0.134 in & a standard cutting tolerance of plus/minus 0. 10 - 0.020. Applications & industries served include cosmetics, novelty, automotive & solar power reflectors. Military Spec. MIL-105D compliant.

H.S. White Corp. - Pompano Beach, FL
Distributor, Manufacturer, Custom Manufacturer
ISO 9001:2000 manufacturer of industrial glass, flat disc & reflexed type gage glasses. Other products include gaskets & industrial hose.

Bond Optics - Lebanon, NH
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of custom precision optical components & parts, including filters, etalons, laser arrays; slide, gage, & sight glasses, diffraction gratings, light diffusers, optical spacers & wedges, optical tubes & tubing, quartz rods, magnifiers, & opto-mechanical precision assemblies.

Stemmerich, Inc. - Saint Louis, MO
Manufacturer, Custom Manufacturer
Custom Glass Fabrications & Products Including Tubing, Plate, Rod, Gage & Sight Glass For Industrial Applications. Chemical Process Equipment Including Glass, FRP & Fluoropolymer Lined: Pipe, Pumps, Expansion Joints, Vessels & Valve

Hausser Scientific - Horsham, PA
Manufacturer, Custom Manufacturer, Service Company
Manufacturer of dial & gage glass for medical & industrial instruments. Glass instruments include counting chambers, cover glasses, reticles & precision glass plates. Custom sizes, grid or scale patterns & shapes available. Tolerances are plus / minus 0.005 in., with closer tolerances available. Can dice, etch or cut up to 1/2 in. thick material.