Ultra High Vacuum | McMaster-Carr

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Fitting Connection

System of Measurement

Flange OD

Material

Fitting Type

Tube OD

High-Vacuum Flange Size

Length

Shape

Thread Size

High-Vacuum Connection Type

Tube Material

Number of Bolt Holes

Maximum Temperature

Maximum Vacuum @ Temperature

1× 10^-13 Torr @ 72° F

1× 10^-12 Torr @ 72° F

1× 10^-11 Torr @ 72° F

1× 10^-8 Torr @ 72° F

1× 10^-6 Torr @ 72° F

1× 10^-4 Torr @ 72° F

1× 10^-6 Torr @ 100° F

1× 10^-4 Torr @ 100° F

RoHS

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

For Use With

Export Control Classification Number (ECCN)

2B999

EAR99

DFARS Specialty Metals

Specifications Met

Relative Vacuum Rating

Minimum Temperature

Bolt Circle Diameter

237 Products

Fluid Handling

Tube Fittings

Make threaded, push to connect, barbed, and other types of connections between lengths of tube

60 products

Hose

Flexible and stronger than tubing; often used to convey liquids and gases under pressure

16 products

Sights

Observe and monitor the contents of pipes, tanks, and other containers

23 products

Vacuum Pumps

Create suction force to move objects, draw liquids and gases, or generate flow

2 products

Lighting

Machine Lights

Shine light on machinery or into sights to view interior work processes

3 products

Raw Materials

Aluminum

Lightweight, easy to machine, and corrosion resistant—all with material certificates for traceability

21 products

Lubricating

Grease

Thicker than oil to evenly lubricate surfaces and stay in place

8 products

Fastening and Joining

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

54 products