Tyler Union pipe fittings are the all-important link that integrates all of the MPI pipe, valve and gate solutions. We offer a full range of standard and specialty fittings for a complete installation, available with a variety of special coatings, linings and encasements for long life in harsh environments.

Precision Manufacturing for Demanding Applications
Tyler Union operates wholly owned foundries and production facilities that ensure complete control over quality, consistency, and delivery. With a commitment to continuous improvement and customer satisfaction, Tyler Union’s 400+ employees deliver products that meet or exceed ANSI/AWWA standards and are tailored to the unique needs of treatment plants and utility systems.
Comprehensive Product Portfolio
Tyler Union offers a wide range of ductile iron fittings and accessories, including:
- Mechanical Joint Fittings
- C153 Compact Fittings – ANSI/AWWA C153/A21.53 compliant
- C110 Full Body Fittings – ANSI/AWWA C110/A21.10 compliant
- Flanged Fittings
- Companion and threaded flange fittings meeting ANSI/AWWA C110/A21.10
- Push-On Fittings
- C153 Union-Tite® Fittings – ANSI/AWWA C153/A21.3 compliant
- Joint Restraint Systems
- Series 1000 Tufgrip™ – For ductile iron pipe (ANSI/AWWA C151/A21.51)
- Series 1500 Tufgrip™ DW – For PVC, ductile iron, and HDPE pipe
- Series 2000 Tufgrip™ – For PVC, PVCO, and HDPE pipe
- Series 3000 – Bell-to-spigot and mechanical joint restraints
- Series 4000 TufFlange™ – Flange-to-pipe restraints for multiple materials
- Accessories
- Gaskets – SBR, NBR, EPDM, Neoprene, FKM
- T-Bolts & Nuts – High-strength, low-alloy steel (ANSI/AWWA C111/A21.11)
- Glands & Sleeves – Wide range in stock for immediate shipment
Why Choose Tyler Union?
- Full line of ANSI/AWWA-compliant ductile iron fittings and restraints
- Made in the USA with rapid delivery capabilities
- Proven performance in waterworks and treatment plant applications
- Custom coatings, linings, and encasements for harsh environments
- Backed by McWane’s nationwide support and distribution network
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MJ C153 Fittings
Tyler Union offers C153 mechanical joint compact ductile iron fittings that meet the ANSI/AWWA C153/A21.53 standard.
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MJ C110 Fittings
Tyler Union offers C110 mechanical joint full body fittings that meet the ANSI/AWWA C110/A21.10 standard.
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Flanged C110 Fittings
Tyler Union offers companion/threaded flange ductile iron fittings that meet the ANSI/AWWA C110/A21.10 standard.
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Push-on C153 Fittings
Tyler Union offers C153 union-tite compact ductile iron fittings that meet the ANSI/AWWA C153/A21.3 standard.
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Gaskets
Tyler Union offers standard mechanical and push-on joint gaskets. Gasket material offerings include SBR, NBR, EPDM, Neoprene, & FKM.
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Series 1000 Tufgrip™ Restraint for DI Pipe
Series 1000 Tufgrip restraints are designed and proven to restrain plain end ductile iron pipe conforming to ANSI/AWWA C151/A21.51.
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Series 1500 Tufgrip™ Dual Wedge Restraint
Series 1500 Tufgrip DW restraints are proven to restrain plain end PVC, Ductile Iron, and HDPE pipe. Series 1500 Tufgrip DW conforms to ANSI/AWWA C111, ANSI/AWWA C153, and ANSI/AWWA C110.
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Series 2000 Tufgrip™ Restraint for PVC Pipe
Series 2000 Tufgrip restraints are proven to restrain plain end PVC pipe in diameters 3”-36”, PVCO pipe in diameters 4”-12”, and HDPE pipe 4”-16”.
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Series 3000 Restraint
Series 3000 restraints allow connection of PVC pipe to pipe bell to spigot restraints, mechanical joint restraints, and push-on fitting restraints.
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Series 4000 TufFlange™ Restraint
TufFlange™ restrains plain end PVC, ductile iron and HDPE pipe to flanged fittings, where the flange conforms to ANSI/AWWA C111, ANSI/AWWA C110.
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T Bolts & Nuts
T-Bolts/Nuts are produced from high-strength, low-alloy steel per ANSI/AWWA C111/A21.11.
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Glands
Tyler Union offers a wide range of glands and sleeves in stock available for immediate shipment.