Blind and Test Flanges

Fabritech proudly manufactures Blind and Test Flanges per API 6A 21st Ed., or any of your needs here in the USA. All Blind and Test Flanges are designed and manufactured to meet NACE MR-0175 for Sour Gas Service. If non-standard materials and or sizes are needed, ask a sales representative for more information.


What is a Blind or Test Flange?

Blind Flanges – are used to close off a connection on equipment. 

Test Flanges – are used to close off a connection on equipment but also has a port for pressure injection to perform hydrostatic testing.


Download our spec sheets below for more information





Blind and Test Flanges

Sizes available: 2-1/16″, 2-9/16″, 3-1/16″, 3-1/8″, 4-1/16″, 5-1/8″, 7-1/16″, 9″, 11″, 13-5/8″, 16-3/4″, 18-3/4″, 20-3/4″, and 21-1/4″.

Working Pressures: 2,000 PSI, 3,000 PSI, 5,000 PSI, 10,000 PSI, 15,000 PSI, and 20,000 PSI.

Product Specification Level: PSL-1, PSL-2, and PSL-3.

Material Classes: AA, BB, CC, DD, EE, FF, and HH. * CRA can be added. (Inconel).

Temperature Ratings: K, L, N, P, S, T, U, and V