Centering Rings

Specifications

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KF Aluminum Centering Rings with O-ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

 
MODEL NUMBER O-RING
MATERIAL
A B
KF-10-CR-AV Viton 0.478 0.456
KF-10-CR-AB Buna 0.478 0.456
KF-16-CR-AV Viton 0.669 0.625
KF-16-CR-AB Buna 0.669 0.625
KF-25-CR-AV Viton 1.024 0.984
KF-25-CR-AB Buna 1.024 0.984
KF-40-CR-AV Viton 1.614 1.570
KF-40-CR-AB Buna 1.614 1.570
KF-50-CR-AV Viton 2.047 1.967
KF-50-CR-AB Buna 2.047 1.967

KF Stainless Steel Centering Ring with O-ring

KF 316L Stainless Steel Centering Ring with O-ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

 
MODEL NUMBER O-RING
MATERIAL
A B
KF-10-CR-SV Viton 0.478 0.456
KF-10-CR-SS Silicone 0.478 0.456
KF-10-CR-SB Buna 0.478 0.456
KF-16-CR-SV Viton 0.669 0.625
KF-16-CR-SS Silicone 0.669 0.625
KF-16-CR-SB Buna 0.669 0.625
KF-25-CR-SV Viton 1.024 0.984
KF-25-CR-SS Silicone 1.024 0.984
KF-25-CR-SB Buna 1.024 0.984
KF-40-CR-SV Viton 1.614 1.570
KF-40-CR-SS Silicone 1.614 1.570
KF-40-CR-SB Buna 1.614 1.570
KF-50-CR-SV Viton 2.047 1.967
KF-50-CR-SS Silicone 2.047 1.967
KF-50-CR-SB Buna 2.047 1.967

KF Screened Stainless Steel Centering Ring with Viton O-ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C
 

Additional Information

MODEL NUMBER O-RING
MATERIAL
A B
KF-25-CR-SV-316L Viton 1.024 0.984
KF-40-CR-SV-316L Viton 1.614 1.570
KF-50-CR-SV-316L Viton 2.047 1.967

KF Reducer Stainless Steel Centering Ring with Viton O-ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

MODEL NUMBER O-RING
MATERIAL
A B
KF-10/16-CR Viton 0.48 0.67
KF-20/25-CR Viton 0.87 1.02
KF-32/40-CR Viton 1.34 1.61

KF Stainless Steel Centering Ring with Viton O-ring and Over Pressure Ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

MODEL NUMBER DESCRIPTION
KF-10-CR-SV-PR Contains model numbers KF-10-PR and KF-10-CR-SV
KF-16-CR-SV-PR Contains model numbers KF-16-PR and KF-16-CR-SV
KF-25-CR-SV-PR Contains model numbers KF-25-PR and KF-25-CR-SV
KF-40-CR-SV-PR Contains model numbers KF-40-PR and KF-40-CR-SV
KF-50-CR-SV-PR Contains model numbers KF-50-PR and KF-50-CR-SV

KF Stainless Steel Over Pressure Ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

MODEL NUMBER DESCRIPTION
KF-10-CR-SV-PR Contains model numbers KF-10-PR and KF-10-CR-SV
KF-16-CR-SV-PR Contains model numbers KF-16-PR and KF-16-CR-SV
KF-25-CR-SV-PR Contains model numbers KF-25-PR and KF-25-CR-SV
KF-40-CR-SV-PR Contains model numbers KF-40-PR and KF-40-CR-SV
KF-50-CR-SV-PR Contains model numbers KF-50-PR and KF-50-CR-SV

KF Trapped Centering Ring with O-ring

Tube OD sizes: 3/8 to 2 inches
Materials
   Flange: 304 or 316L stainless steel
   O-rings: Viton, Buna & silicone
Fittings
   Tube finishes: Beadblast standard
      (Tumbled & electropolish available)
Fasteners: Wingnut, SureSeal, bulkhead & EVAC clamps 
Vacuum range
   Elastomer seal: >= 1 x 10-8 Torr - High vacuum
   EVAC metal seal: >= 1 x 10-11 Torr - UHV
Vacuum range: >= 1 x 10-11 Torr - UHV
Temperature range: 
   Viton: -20°C to 200°C 
   Silicone: -50°C to 230°C 
   Buna: -30°C to 110°C 
   EVAC metal seal: -270°C to 150°C

Other Product Images

Additional Information

MODEL NUMBER O-RING
METAL
A B C
KF-10/16-CRT-SV Viton 1.18 0.63 0.91
KF-25-CRT-SV Viton 1.58 0.95 1.30
KF-40-CRT-SV Viton 2.17 1.58 1.89
KF-50-CRT-SV Viton 2.95 1.97 2.32