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NW Centering Rings; Centering Rings with Screen, Adaptive Centering Rings

 

 

Seal Centering Ring Assembly

  • Stainless steel centering ring
  • Replaceable Buna-N O-ring
  • 100° C maximum bake out

Seal Centering Ring Assembly

Seal Centering Ring Assembly

 
PART NUMBER TUBE OD ISO A B
KSCR-1710 1/2” NW 10 0.394 0.210
KSCR-1716 3/4” NW 16 0.630 0.210
KSCR-1725 1” NW 25 0.934 0.210
KSCR-1740 1-1/2” NW 40 1.575 0.210
KSCR-1750 2” NW 50 1.969 0.210

 

 

Seal Centering Ring Assembly

  • Stainless steel centering ring
  • Replaceable Viton® O-ring
  • 200° C maximum bake out

Seal Centering Ring Assembly

Seal Centering Ring Assembly

 
PART NUMBER TUBE OD ISO A B
KSCR-1810 1/2” NW 10 0.394 0.210
KSCR-1816 3/4” NW 16 0.630 0.210
KSCR-1825 1” NW 25 0.984 0.210
KSCR-1840 1-1/2” NW 40 1.575 0.210
KSCR-1850 2” NW 50 1.969 0.210

 

 

KEY SPEEDY ISO-NW Centering Rings

  • Seal Centering Ring “Trapped” Overpressure Assembly
  • 304 stainless steel centering ring
  • Aluminum outer ring
  • Replacement Viton® O-ring

                     KEY SPEEDY ISO-NW Centering Rings

KEY SPEEDY ISO-NW Centering Rings

 
PART NUMBER TUBE OD ISO A B C
KSCR-1816-T-304 ¾” NW 16 0.63 1.28 .31
KSCR-1825-T-304 1” NW 25 0.98 1.67 .31
KSCR-1840-T-304 1-1/2” NW 40 1.57 2.26 .31
KSCR-1850-T-304 2” NW 50 1.97 3.051 .31

 

 

Seal Centering Ring Assembly with Screen

  • Stainless steel centering
  • Replaceable Viton® O-ring
  • # 72 Stainless steel screen

Seal Centering Ring Assembly with Screen

Seal Centering Ring Assembly with Screen

 
PART NUMBER TUBE OD ISO A B
KSCR-1816-72 3/4” NW 16 0.490 0.21
KSCR-1825-72 1” NW 25 0.840 0.21
KSCR-1840-72 1-1/2” NW 40 1.470 0.21
KSCR-1850-72 2” NW 50 1.830 0.21

 

 

Seal Centering Ring Assembly

  • Stainless steel centering
  • Replaceable Silicone O-ring

Seal Centering Ring Assembly

Seal Centering Ring Assembly

 
PART NUMBER TUBE OD ISO A B
KSCR-1910 1/2” NW 10 0.394 0.21
KSCR-1916 3/4” NW 16 0.630 0.21
KSCR-1925 1” NW 25 0.984 0.21
KSCR-1940 1-1/2” NW 40 1.575 0.21
KSCR-1950 2” NW 50 1.969 0.21

 

 

Seal Adaptive Centering Ring Assembly

  • Aluminum centering ring
  • Replaceable Buna-N O-ring
  • Connects outdated bore sizes

Seal Adaptive Centering Ring Assembly

Seal Adaptive Centering Ring Assembly

 
PART NUMBER TUBE OD ISO A B C
KSCR-2016A 1/ 2” NW 10 to NW 16 0.67 0.47 0.39
KSCR-2025A 1” NW 20 to NW 25 1.02 0.87 0.83
KSCR-2040A 1-1/2” NW 32 to NW 40 1.61 1.34 1.26

Product information is subject to change without notice. Product images may include options or accessories not included with the base model.

Precision Welded. Performance Proven.
For 50 years, Key High Vacuum Products, Inc. has been a trusted leader in precision-engineered stainless steel high vacuum weldments. With tens of thousands of unique weldments in use—from particle accelerators to industrial leak detectors—our expertise is proven across industries. Rooted in innovation, craftsmanship, and an unwavering commitment to customer satisfaction, we deliver high-quality, customized solutions that drive success. Every day, our team brings a unique blend of passion and precision, ensuring your goals are met with excellence—because your mission matters. Experience the Key High difference.
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Key High Vacuum Products, Inc.
36 Southern Boulevard, Nesconset, NY 11767
1-631-360-3970
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