KF Flange with Long Weld Stub, Inch -- 899 621
from Oerlikon Leybold Vacuum USA Inc.

The ISO-KF connection (to DIN 28 403 and ISO 2861) permits rapid fittingand replacement of components in vacuum systems. It consists of twosymmetrical KF flanges, a centering ring with O-ring gasket and aclamping ring. High vacuum tight KF connections can be made without theuse of tools simply by... [See More]

  • Component Type: HalfNipple; Stub
  • Flange System & Fitting Seal: Elastomeric / O-ring; ISO-KF (Small Clamped, <2")
  • Port Type: Flange; ButtWeld
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr)
ISO-LF Stub Weld Flange
from A&N Corporation

Vacuum rating of 1x10-8 torr. Bakeable to 200oC. Manufactured from 6061 aluminum. Compatible with all ISO standard vacuum flanges and fittings. Designed to fit standard inch tubing O.D.'s. Butt weld. Machined from solid bar - no welds [See More]

  • Component Type: Flange; Stub
  • Flange System & Fitting Seal: ISO-MF (Multi-fastener / Universal)
  • Port Type: Flange; ButtWeld
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr)
Collar Weld Stub
from Edwards Vacuum

When you buy flange fittings from Edwards, you can expect the service that only a leading international supplier can offer you. Whether you are an OEM (needing scheduled deliveries of component kits for series production) or a unique system builder, you can rely on your local supplier to meet all... [See More]

  • Component Type: Stub
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr); Elevated or positive pressures (>> 760 torr)
  • Port Type: ButtWeld
  • Temperature Range: 14 to 392
ISO NW16 Flange -- 715000
from MDC Vacuum Products LLC

Viton ®, Buna-N ® and Silicone elastomer O-rings available [See More]

  • Component Type: Blank-off; Stub
  • Flange System & Fitting Seal: Elastomeric / O-ring; ISO-KF (Small Clamped, <2")
  • Port Type: Flange; ButtWeld
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr)
Series 23 ButtWeld Vacuum Components -- Series 23
from MKS Instruments, Inc.

Precision, cleanliness and absoluteintegrity, coupled with process chemistry experience shapes MKS to beuniquely positioned to offer extensive clean assembly, vacuum andprecision engineering products and services to OEM customers. We arespecialists in the manufacture and customization of precision... [See More]

  • Component Type: Access Cap / Cover; Cap; BallSocket; Clamp; Adapter; Bulkhead; FlangeAssembly; 4-WayCross; 5-WayCross; 6-way cross or cube; Elbow90°; Elbow45°; Centering Ring; FullNipple; HalfNipple; Return; Tee; Flange; Viewport; Stub; Yes
  • Flange System & Fitting Seal: ISO-CF (Metal Seal); ISO-MF (Multi-fastener / Universal); ISO-KF (Small Clamped, <2")
  • Port Type: Flange
  • Vacuum / Pressure Range: (UHV,  < 10-8 torr)