A Name and a Product You Can TrustA Name and a Product You Can Trust

Walz & Krenzer has supplied custom designed watertight closures to the marine industry since 1939, specializing in the design and manufacture of doors, hatches, sideports, and deck sections in a variety of shapes and sizes. All of our products are custom designed to meet your specifications. Many have special operating systems, shapes, pressure requirements, or other design requirements including blast, ballistic, radar cross section, intrinsically safe controls, or high pressures.

Located in Oxford CT, our engineering staff combines decades of experience with today’s engineering technologies, and has participated in the rules development for watertight closures for several decades. WK is dedicated to providing the best and most up-to-date equipment available which meets all required specifications and regulations. On-site technical representatives are available for installation guidance and troubleshooting of all of our products.

Walz & Krenzer is classified as a U.S. owned small business.

Walz & Krenzer's Formula for SuccessWalz & Krenzer’s Formula for Success

  • Customer service always our priority
  • Proven technical expertise and experience
  • Highest quality manufacturing
  • Commitment to research & development
  • Certified to ISO 9001:2015
  • Unequaled technical submittals


For Information on For Information on
Flood Protection
For Information on for Pilgrim Nuts, Hydraulic Bolts,
& Keyless Shaft Couplings
Mapeco Products is a division of Walz & Krenzer, Inc.
ISO9001Walz & Krenzer is an ISO 9001:2015 Company