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MET-SEAL Half Nipples & Full Nipples

  • 304 Stainless Steel Construction
  • Standard interface dimensions
  • Available in 316L stainless steel
  • Custom lengths readily available

 

 

MET-SEAL Half Nipples

MET-SEAL Half Nipples

MET-SEAL Half Nipples

 

Flange Codes: N = Non rotatable, R = Rotatable, T = Tapped, RT = Rotatable tapped

PART NUMBER FLANGE OD TUBE OD FLANGE CODE L
HN133-1 1.33 .75 N 1.50
HN133-1-R 1.33 .75 R 1.50
HN133-1-T 1.33 .75 T 1.50
HN133-1-RT 1.33 .75 RT 1.50
HN212-1 2.12 1.00 N 2.04
HN212-R 2.12 1.00 R 2.04
HN212-T 2.12 1.00 T 2.04
HN212-RT 2.12 1.00 RT 2.04
HN275-1 2.74 1.50 N 2.46
HN275-1-R 2.74 1.50 R 2.46
HN275-1-T 2.74 1.50 T 2.46
HN275-1-R-T 2.74 1.50 RT 2.46
HN338-1 3.36 2.00 N 3.21
HN338-1-R 3.36 2.00 R 3.21
HN338-1-T 3.36 2.00 T 3.21
HN338-RT 3.36 2.00 RT 3.21
HN450-1 4.47 2.50 N 4.21
HN450-R 4.47 2.50 R 4.21
HN450-1T 4.47 2.50 T 4.21
HN450-1-RT 4.47 2.50 RT 4.21
HN462-1 4.61 3.00 N 3.53
HN462-R 4.61 3.00 R 3.53
HN462-T 4.61 3.00 T 3.53
HN462-RT 4.61 3.00 RT 3.53
HN600-1 5.97 4.00 N 5.31
HN600-R 5.97 4.00 R 5.31
HN600-1-T 5.97 4.00 T 5.31
HN600-RT 5.97 4.00 RT 5.31
HN675-1 6.73 5.00 N 4.93
HN675-R 6.73 5.00 R 4.93
HN675-T 6.73 5.00 T 4.93
HN675-RT 6.73 5.00 RT 4.93
HN800-1 7.97 6.00 N 6.56
HN800-R 7.97 6.00 R 6.56
HN800-T 7.97 6.00 T 6.56
HN800-RT 7.97 6.00 RT 6.56
HN1000-1 9.97 8.00 N 8.00
HN1000-R 9.97 8.00 R 8.00
HN1000-T 9.97 8.00 T 8.00
HN1000-RT 9.97 8.00 RT 8.00

 

 

MET-SEAL Full Nipples

MET-SEAL Full Nipples

MET-SEAL Full Nipples

 
PART NUMBER FLANGE OD TUBE OD L
FN133-1 1.33 .75 3.00
FN212-1 2.12 1.00 4.08
FN275-1 2.74 1.50 4.93
FN338-1 3.36 2.00 6.43
FN450-1 4.47 2.50 8.25
FN462-1 4.61 3.00 7.06
FN600-1 5.97 4.00 10.62
FN675-1 6.73 5.00 9.87
FN800-1 7.97 6.00 13.12
FN1000-1 10.00 8.00 16.00

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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