MET-SEAL Double-sided Flanges

Double Sided Flanges

PART NUMBER	NOMINAL OD	A	B
MS133-000D	1-1/3”	Blank	.300
MS133-037D	1-1/3”	.375	.300
MS133-050D	1-1/3”	.505	.300
MS133-075D	1-1/3”	.630	.300
MS212-000D	2-1/8”	Blank	.470
MS212-075D	2-1/8”	.760	.470
MS212-100D	2-1/8”	1.010	.470
MS275-000D	2-3/4”	Blank	.500
MS275-025D	2-3/4”	.255	.500
MS275-050D	2-3/4”	.505	.500
MS275-075D	2-3/4”	.760	.500
MS275-100D	2-3/4”	1.010	.500
MS275-125D	2-3/4”	1.260	.500
MS275-150D	2-3/4”	1.510	.500
MS338-000D	3-3/8”	Blank	.687
MS338-150D	3-3/8”	1.510	.687
MS338-200D	3-3/8”	2.010	.687
MS450-000D	4-1/2”	Blank	.687
MS450-150D	4-1/2”	1.510	.687
MS450-200D	4-1/2”	2.010	.687
MS450-250D	4-1/2”	2.510	.687
MS462-000D	4-5/8”	Blank	.812
MS462-250D	4-5/8”	2.510	.812
MS462-300D	4-5/8”	3.010	.812
MS600-000D	6”	Blank	.781
MS600-400D	6”	4.010	.781
MS675-000D	6-3/4”	Blank	.844
MS675-400D	6-3/4”	4.010	.844
MS675-500D	6-3/4”	5.010	.844
MS800-000D	8”	Blank	.875
MS800-600D	8”	6.020	.875
MS1000-000D	10”	Blank	.968
MS1000-800D	10”	8.020	.968

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.