Nor-Cal Products, Inc. - The Vacuum Experts Datasheets for Vacuum Flanges and Fittings

Vacuum flanges and fittings connect runs of pipe and tubing in vacuum or process gas system to other tubing sections, pipe, hose, valves, pumps, chambers or other vacuum components.
Vacuum Flanges and Fittings: Learn more

Product Name Notes
NW to ISO Cross Adapter 304 stainless steel crosses and reducer crosses are offered in a wide range of sizes as standard products. All crosses are fabricated with the pulled-port technique and full penetration butt...
NW to ISO Tee Adapter 304 stainless steel tee's and reducer tee's are offered in a wide range of sizes as standard products. All tee's are fabricated with the pulled-port technique and full penetration butt...
Add-A-Doors Fitting with Viewport, 7056 Glass Add-A-Doors provide a simple, effective method of providing an elastomer sealed access port to an existing chamber fitting or component. These products include a 7056 glass viewport hinged door and...
Add-A-Doors Fitting with Viewport, Fused Silica Add-A-Doors provide a simple, effective method of providing an elastomer sealed access port to an existing chamber fitting or component. These products include a fused silica viewport hinged door and...
Chain Clamp
Metal Seal
Aluminum seals locate on the centering ring groove (inner centering) or outside edge of the flange (outer centering) depending on the size. (Inner and outer centering versions are available for...
ASA 4 Way Cross
ASA 45º Radius Elbow with Tangents
ASA 5 Way Cross
ASA 6 Way Cross
ASA 90° Mitered Elbow
ASA 90° Radius Elbow
ASA Conical Reducer Nipple
ASA Full Nipple
ASA Half Nipple
ASA Straight Reducer Nipple
ASA Tees
Besides being sold separately, they are available as standards on nipples, adapters, tees, crosses, traps, elbows and valves.
CF Straight-Through Special Purpose Flange
Conflat Flanges
CF flanges are available with UNC or UNF tapped and untapped holes. Metric tapped or helicoiled holes can be ordered as specials. Tapped flanges have through holes, so bolts may...
CF to ASA Conical Adapter Nipples
CF to ISO Conical Adapter Nipple
ISO to ASA Conical Adapter Nipple
NW to ASA Conical Adapter Nipple
NW to CF Conical Adapter Nipples
NW to ISO Conical Adapter Nipple
Conical reducers provide a compact means of adapting to a smaller diameter tube with minimal loss in conductance. They are available from stock in 304 stainless steel and some sizes...
CF Female VCR Adapter
CF Male VCR Adapter
NW Quick Disconnect Adapter
NW Swagelok Tube Adapter
Flange-to-fitting adapters are commonly used on chamber ports to connect flanges to special fittings. Nor-Cal offers these CF flanges for Swagelok, male and female VCR, quick disconnect, male and female...
NW / CF Quick Disconnect Adapter
NW / CF Swagelok Adapter
NW Female Pipe Adapter
NW Female VCR Adapter
NW Male Pipe Adapter
NW Male VCR Adapter
Flange-to-fitting adapters are commonly used on chamber ports to connect flanges to special fittings. Nor-Cal offers these NW flanges for Swagelok, male and female VCR, quick disconnect, male and female...
CF to ASA Straight Adapter Nipple
CF to ISO Straight Adapter Nipple
ISO to ASA Straight Adapter Nipple
NW to ASA Straight Adapter Nipple
NW to CF Straight Adapter Nipple
NW to ISO Straight Adapter Nipple
Flange-to-flange adapter fittings are used as a transition between two similar flange types. We offer adapter fittings with flange combinations for CF (Conflat), NW (ISO-KF), ISO and ASA (ANSI) components...
NW to CF Flexible Hose Nipple Adapter Flexible stainless steel hoses are available in 3/4 to 4 inch diameters in standard lengths of 12, 18, 24 and 36 inches with NW, ISO, CF and ASA flanges. NW...
Genesis 4-Way Cross
Genesis 5 Way Cross
Genesis 6 Way Cross
Genesis 90º Elbow
Genesis Tee
Genesis Tri Bow
Genesis modular fittings provide the most compact, highest conductance vacuum components when used with the Genesis valves. These fittings attach with Nor-Cal double stud fasteners, or with finger clamps.
Liquid Nitrogen Trap, Angle Dual Tube
Liquid Nitrogen Trap, In Line Dual Tube
Liquid nitrogen (LN2) traps are excellent at removing condensable gasses before they can damage or contaminate other components. Dual tube models allow for easy connection to automated fill...
Liquid Nitrogen Trap, Angle Single Tube Liquid nitrogen (LN2) traps are excellent at removing condensable gasses before they can damage or contaminate other components. Our single tube models allow for easy refilling manually or...
Metal Sieve Traps, Coaxial Metal sieve traps use a fibrous stainless steel or copper sieve for removal of hydrocarbons or large particulates. The coaxial design provides maximum filtering and flow. The two piece design...
Metal Sieve Traps, Angle Metal sieve traps use a fibrous stainless steel or copper sieve for removal of hydrocarbons or large particulates. The right angle design allows for easy cleaning and removal/replacement of the...
Metal Sieve Traps, Sealed Coaxial Metal sieve traps use a fibrous stainless steel or copper sieve for removal of hydrocarbons or large particulates. The sealed coaxial design provides a low cost filtering alternative. The filter...
Molecular Sieve Trap, Angle
Molecular Sieve Trap, In Line
Molecular Sieve Trap, Straight In Line
Molecular sieve traps contain Zeolite desiccant to remove hydrocarbons and water vapor. The desiccant can be baked out or regenerated to remove water that has collected. (Do not regenerate if...
ISO Nonrotatable Blank
ISO Nonrotatable Bored
ISO Optional Fastener Blank
ISO Optional Fastener Bored
ISO Optional Fastener Bored 316L
Nor-Cal ISO flanges and hardware are manufactured to the International Standards Organization specification so they can be mated to other manufacturers'™ ISO flanges. Normally our standard material is in the...
ISO Centering Ring with O-Ring
ISO Centering Ring with Screen
ISO Centering Ring, 316L
ISO Centering Ring, Aluminum
ISO Centering Ring, Stainless
Nor-Cal ISO hardware are manufactured to the International Standards Organization specification so they can be mated to other manufacturers'™ ISO flanges.
ISO 4 Way Cross
ISO 4 Way Reducer Cross
ISO 45° Elbow with Tangents
ISO 5 Way Cross
ISO 6 Way Cross
ISO 90° Mitered Elbow
ISO 90° Radius Elbow
ISO Conical Reducer Nipple
ISO Full Nipple
ISO Half Nipple
ISO Half Nipple 316L
ISO Reducer Tee
ISO Straight Reducer Nipple
ISO Tee
Nor-Cal manufactures a complete line of ISO vacuum fittings. The tube portions are fabricated from 304 stainless steel. For increased resistance to corrosion in downstream semiconductor processes, Nor-Cal now stocks...
NW 4 Way Cross
NW 45° Radius Elbow
NW 45° Radius Elbow with Tangents
NW 5 Way Cross
NW 6 Way Cross
NW 90° Mitered Elbow
NW 90° Radius Elbow
NW Conical Reducer Nipple
NW Conical Reducer Nipple 316L
NW Full Nipple
NW Half Nipple
NW Reducer Cross
NW Reducer Tee
NW Straight Reducer Nipple
NW Tee
Nor-Cal manufactures a complete line of NW vacuum fittings. The tube portions are fabricated from 304 stainless steel. 316L stainless steel can be supplied on request. Nor-Cal makes its own...
CF 4-Way Cross
CF 45° Radius Elbow with Tangent
CF 5-Way Cross
CF 6-Way Cross
CF 6-Way Cube Cross
CF 90° Mitered Elbows
CF 90º Radius Elbows
CF Conical Reducer Nipple
CF Full Nipple
CF Half Nipple
CF Reducer Cross
CF Reducer Nipple
CF Reducer Tee
CF Tees
Nor-Cal manufactures a complete line of vacuum fittings with CF flanges. The tube portions are fabricated from 304 stainless steel. On request 316 stainless steel can be supplied. Nor-Cal makes...
Weld 180° Return Bend Radius Elbow
Weld 4 Way Cross
Weld 45° Radius Elbow
Weld 45° Radius Elbow
Weld 5 Way Cross
Weld 6 Way Cross
Weld 90° Mitered Elbow
Weld 90° Radius Elbows
Weld 90° Radius Elbows 316L
Weld Conical Reducer
Weld Conical Reducer 316L
Weld End Cap
Weld End Cap Reducer
Weld Reducer Cross
Weld Reducer Tee
Weld Tee
Nor-Cal manufactures a complete line of weld fittings. Nor-Cal fittings are available with NW, CF, ISO and ASA flanges with many different type of fittings, flange combinations and adapters available.
NW Flange, Blank 304L
NW Flange, Blank 316L
NW Flange, Bored 304L
NW Flange, Bored 316L
NW Flange, Long Weld Neck
NW Flange, Long Weld Neck 316L
NW Flange, Short Weld Neck
NW Flange, Socket Weld
Nor-Cal NW flanges are designed to ISO 2681 specifications for standard USA tube sizes from .375 to 2.00 inches. They are compatible with other manufacturers'™ ISO-KF style flanges. NW flanges...
PVC Hose Nipple Nor-Cal Products manufactures a complete line of plasticized PVC hoses, supplied with or without flanges. These hoses provide a low cost rough vacuum line. Aan embedded spiral wire prevents the...
ASA Flange Flex Coupling
Conflat Flange Flex Coupling
ISO Flange Flex Coupling
NW Flange Flex Coupling
Nor-Cal Products manufactures an extensive line of flanged flexible couplings. The hydroformed bellows assemblies are typically used for alignment correction or vibration isolation. Flexible couplings normally feature thinner wall thickness...
NW Viewport, 7056 Glass Nor-Cal Products manufactures an extensive line of high and ultra high flanged vacuum viewports. Standard length 7056 glass viewports are available in NW-16, 25, 40 and 50 versions and feature...
Viewport Weld Stub Nor-Cal Products manufactures an extensive line of high and ultra high flanged vacuum viewports. Viewport Weld Stubs include an o-ring (Viton) sealed fused quartz or 7056 glass window assembly with...
ISO & CF Zero Length Viewport, 7056 Glass Nor-Cal Products manufactures an extensive line of high and ultra high flanged vacuum viewports. Zero length 7056 glass viewports are available in NW, ISO and CF flange versions and feature...
NW Zero Length Viewport, Fused Quartz Nor-Cal Products manufactures an extensive line of high and ultra high flanged vacuum viewports. Zero length fused quartz viewports are available in NW-40 and 50 flange versions and are an...
CF Zero Length Viewport, Fused Silica Nor-Cal Products manufactures an extensive line of high and ultra high flanged vacuum viewports. Zero length fused silica viewports are available in NW, ISO and CF flange versions and feature...
Add-A-Doors Fitting Nor-Cal Products offers a complete line of viewports for vacuum chambers with NW, ISO and CF flanges. CF flanged viewports are available with fully annealed 7056 glass or fused quartz.
Chain Clamp Tapered Flange Nor-Cal Products stocks a complete line of chain clamps and aluminum metal seals for converting elastomer seal NW (KF) and ISO flanges to UHV metal seals. They provide a number...
Aluminum to Stainless Steel Transition, Conflat Flange
Aluminum to Stainless Steel Transition, Flangeless
Nor-Cal's Aluminum to Stainless Steel Transitions provide a reliable UHV seal for aluminum vacuum systems. An explosion bonded composite of aluminum, stainless steel and two other UHV materials make these...
ASA Non-rotatable Flanges, 11 to 16" OD
ASA Non-rotatable Flanges, 5 to 9" OD
ASA Rotatable Flanges, 11 to 16" OD
ASA Rotatable Flanges, 5 to 9" OD
Nor-Cal's ASA flanges are manufactured from specially treated 304 stainless steel. These flanges mate with standard 150 lb. ASA flanges or 150 ANSI flanges. They are available from stock for...
CF Double-Sided Flange, Blank
CF Double-Sided Flange, Bored
CF Double-Sided Special Purpose Flange
CF Zero Length Reducer Flange
Nor-Cal's double-sided flanges are identical to standard CF flanges except the same gasket-sealing detail is machined into both faces of the flange. These flanges can be inserted between like-sized flanges...
Wire Seal Flange, Blank
Wire Seal Flange, Bored
Nor-Cal's wire seal flanges are designed for use on bell jars, custom vacuum chambers and related systems. Standard sizes range from 12 to 27 inch nominal OD for tube sizes...
CF Straight-Through Special Purpose Flange Nor-Cal's zero length reducer flanges are a convenient and inexpensive way to reduce a large flange for smaller vacuum plumbing and/or component connection. To list all possible reducer combinations would...
NW Centering Ring 316L
NW Centering Ring Reducing
NW Centering Ring with O-Ring
NW Centering Ring With Screen
NW Centering Ring, Aluminum
NW Centering Ring, Stainless
NW Clamp
NW Over-Pressure Centering Ring
NW flanges utilize an aluminum clamp with a single wingnut fastener allowing frequent disassembly without tools. The vacuum seal is effected by uniform application of pressure by the clamp on...
LPCVD TEOS Trap, One Stage Our LPCVD-TEOS trap is designed specifically to meet the demanding requirements of this process. Our single stage trap contains a huge stainless steel gauze filter allowing solids to form inside...
Particulate Trap, Angle
Particulate Trap, Coaxial
Particulate traps remove particles that might enter the mechanical pump and contaminate the oil or process. Standard traps have 10 micron rate filters installed with lower micron ratings available. Filters...
LPCVD TEOS Trap, Two Stage The LPCVD-TEOS trap is designed specifically to meet the demanding requirements of this process. Our dual stage trap contains a stainless steel gauze filter and a 10 micron particulate filter...
LPCVD TEOS Trap, Three Stage The LPCVD-TEOS trap is designed specifically to meet the demanding requirements of this process. Our three stage trap contains a stainless steel gauze filter, a 10 micron particulate filter and...
Vacuum Insulator, Conflat Flange
Vacuum Insulator, NW Flange
Vacuum Insulators (also known as vacuum breaks and isolators) are used to electrically isolate one component or system from another. Nor-Cal uses a ceramic insulator with 95% minimum aluminum oxide...
Glass Adapter
Viewport Shutter
Viewport shutters are normally installed on a vacuum chamber CF flange behind a viewport. The shutter serves to shield the viewport surface and prevent the build-up of deposition materials. The...
Water Cooled Trap, Angle
Water Cooled Trap, Coaxial
Water cooled traps are excellent at removing condensable gasses before they can damage or contaminate other components. They can extend preventative maintenance intervals and pump overhauls. . Our two piece...