Centering Ring Reducing -- Reducer SS Centering Ring, Viton O-ring
from Nor-Cal Products, Inc.

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 the 15 ° surface of the 304 stainless steel flanges. The mating flange surfaces compress a Viton ®... [See More]

  • ISO Flange Size: NW 10; NW 16; NW 20; NW 25; NW 32; NW 40 
  • Flange System & Fitting Seal: Elastomeric / O-ring
  • Component Type: Adapter; Centering Ring
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr)
KF Centering Ring Adapter with O-Ring -- 182 58
from Oerlikon Leybold Vacuum USA Inc.

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

  • ISO Flange Size: NW 32; NW 40 
  • Port Type: Flange
  • Component Type: Centering Ring
  • Flange System & Fitting Seal: Elastomeric / O-ring; ISO-KF (Small Clamped, <2")
Adaptive Centering Ring Assembly
from A&N Corporation

Cemtering Ring: 304 Stainless steel or Aluminum. O-Ring: Viton ®. Metal centering ring aligns flanges during seal assembly and provides support for the elastomer, sealing ring. Replaceable o-ring [See More]

  • ISO Flange Size: NW 10 (optional feature); NW 16 (optional feature); NW 20 (optional feature); NW 25 (optional feature); NW 32 (optional feature); NW 40  (optional feature)
  • Flange System & Fitting Seal: Elastomeric / O-ring; ISO-KF (Small Clamped, <2")
  • Component Type: Centering Ring
  • Flange Bore / ID: 0.3900 to 1.26
Adapting Centering Rings with O-Ring -- 068173
from Adixen

All vacuum systems require connections with either pumping systems or different peripheral accessories such as vacuum gauges, valves, etc... While these connections have to preserve vacuum integrity, they also have to be modular to allow flexibility and required maintenance. All vacuum applications... [See More]

  • ISO Flange Size: NW 32; NW 40 
  • Port Type: Flange
  • Component Type: Centering Ring
  • Flange System & Fitting Seal: ISO-KF (Small Clamped, <2")
Clamp (Metal Seals)
from Edwards Vacuum

When you buy 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 your... [See More]

  • ISO Flange Size: NW 10 (optional feature); NW 16 (optional feature); NW 20 (optional feature); NW 25 (optional feature); NW 32 (optional feature); NW 40  (optional feature); NW 50 (optional feature)
  • Vacuum / Pressure Range: (HV, < 10-3, >10-8 torr); Elevated or positive pressures (>> 760 torr)
  • Component Type: Clamp
  • Temperature Range: 14 to 392
Series 31 ISO-KF Vacuum Components -- Series 31
from MKS Instruments, Inc.

MKS, HPS ® Products ISO-KF vacuum fittingcomponents form a modular system for piping from 3/4 to 4 inches (16 to100 mm). The HPS ® ISO-KF vacuum fitting system allows the building ofhigh vacuum systems quickly, without welding or brazing. Cleaning ormodification of vacuum systems built... [See More]

  • ISO Flange Size: NW 10; NW 16; NW 20; NW 25; NW 32; NW 40 ; NW 50; NW 63; NW 80
  • Port Type: Flange
  • 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-KF (Small Clamped, <2")