MJ Gaskets
MJ Accessories
Manufactured to ANSI/AWWA C111/A21.11 standards, Press-Seal’s SBR (styrene-butadiene rubber) compound supports a wide range of service conditions, including potable water and wastewater.
MJ gaskets and accessory packs provide dependable sealing solutions for MJ fittings within municipal water infrastructure systems, as well as the waterworks, industrial, utility, and fire protection industries.
Our (SBR) gasket is vulcanized and made domestically in northeast Indiana.
Our standard gaskets, domestic accessory packs, and standard accessory packs streamline your procurement process and ensure high-quality system reliability.
- 4" - 64" SBR gaskets currently available
- Material of the gasket is vulcanized (SBR)
- 100% Manufactured in U.S.A.
- 100% BABA compliant
- We estimate the EPDM and NBR gaskets will be available in Q4 of 2026
- In addition to SBR, more rubber options are in development
Domestic MJ Packs
- 4" - 12" Currently only available with SBR Gaskets and Kor-10 or Kor- Blue bolts. Popular sizes in inventory.
- 14" - 24" Available to order 9.15.26
- Sizes: 4" - 12" currently (Q2 2026) available, with more sizes coming online
- Material of the gasket is vulcanized (SBR)
- Gaskets manufactured to ANSI/AWWA C111/A21.11
- Bulk packaging currently (Q2 2026) available on 4" - 12" packs
Standard MJ Packs
- 4" - 12" Currently only available with SBR Gaskets and Kor-10 or Kor- Blue bolts. Popular sizes in inventory.
- 14" - 24" Available to order 9.15.26
- Sizes: 4" - 12" currently (Q2 2026) available, with more sizes coming online
- Material of the gasket is vulcanized (SBR)
- Gaskets manufactured to ANSI/AWWA C111/A21.11
- Bulk packaging currently (Q2 2026) available on 4" - 12" packs
Standard Bolt Packs
- Available in 4 and 6 packs
- 3/4" x 3 1/2"
- 3/4" x 4"
- 3/4" x 4 1/2"
- 3/4" x 5"
- Available in Kor-10, Kor-Blue, 304SS, 316SS
Domestic Bolt Packs
- Available in 4 and 6 packs
- 3/4" x 3 1/2"
- 3/4" x 4"
- 3/4" x 4 1/2"
- 3/4" x 5"
- Available in Kor-10, Kor-Blue