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MJ Joint Restraints

Napac now stocks our Ultra-Lok joint restraint glands in 4-12″ sizes. These are made of Ductile Iron per ASTM-536 Grade 65-45-12. Our Ultra-Lok utilizes “Torque-Off Bolts” so you know when you have tightened the bolt to the correct torque.CA Prop 65

We also stock your standard threaded rod, socket clamps, couplings, dog washers and duc lugs.

Click here for information regarding CA Prop 65

Latest News

Due to continued increases in raw material, labor and environmental regulations, along with changing government tariffs including Section 301, we are announcing a change to the list prices on all Waterworks Products. New pricing to take effect January 14th, 2019

December 21, 2018

Contact Us

Corporate Headquarters:
229 Southbridge St, Worcester, MA 01608

  • 800#: 800-807-2215
  • Local #: 508-363-4411
  • Fax: 800-807-2214
E-mail: sales@napacinc.com
orders@napacinc.com

Latest News

Due to continued increases in raw material, labor and environmental regulations, along with changing government tariffs including Section 301, we are announcing a change to the list prices on all Waterworks Products. New pricing to take effect January 14th, 2019

December 21, 2018

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Contact Us

Corporate Headquarters:
229 Southbridge St, Worcester, MA 01608

  • 800#: 800-807-2215
  • Local #: 508-363-4411
  • Fax: 800-807-2214
E-mail: sales@napacinc.com
orders@napacinc.com