Innovation Since 1977

seismic anchor brackets

PRODUCT CATEGORY: SEISMIC BRACKETS
Product: ABHW and RCHW

ISAT
Seismic
Brackets

ISAT Seismic Anchor Brackets

ABHW and RCHW

Seismic Anchor Brackets: ISAT’s original RCHW(S) and ABHW(S) retrofittable hinge weld seismic anchor brackets are ingeniously designed to maximize both functionality and ease of installation. Developed as an innovative response to industry needs, these brackets offer an effective and efficient solution for seismic retrofit applications, particularly for existing piping systems.


The unique design of the RCHW(S) and ABHW(S) seismic anchor brackets allows for on-site adjustments, accommodating various sizes and brace configurations while maintaining optimal structural integrity. Tested to the highest industry standards and fabricated from high-quality materials, these brackets are the ideal solution for the most demanding seismic conditions.

ISAT Seismic Anchor Brackets
ISAT Seismic Kits are Packaged and Delivered According to Plan Sets

RCHWS – Rod Capture Hinge Weld (Short)

Retrofittable seismic anchor brackets for the attachment to the utility.

  • Suitable for Cable or Rigid Brace Applications
  • Rod Capture Design Quickly Attaches to Trapeze or Single Hung Utilities
  • Unique No-Turn Design Allows RCHWS to be Fixed to Strut Member Using a Single Strut Nut
RCHWS-ISAT Seismic Brackets Rod Capture Hinge
Part#ATR Size
RCHWS383/8″
RCHWS121/2″
RCHWS585/8″
RCHWS343/4″
  • Tested to FM1950
  • Complies with International Building Code and ASCE-7 Requirements
  • OPM Pre-Approved for OSHPD/HCAI Projects
  • LA Building Code Approved (LARR 26016)
  • Patented Design (PATENT NO. 6,050,035)
  • Constructed of A36 Low Carbon Steel
  • Finish: ASTMB633 SC3-Type II Zinc Coating Rated for “Severe” Service Conditions
  • Special Material and Finishes Available Upon Request

RCHW – Rod Capture Hinge Weld

Retrofittable heavy-duty seismic anchor brackets for the attachment to the utility.

  • Suitable for Cable or Rigid Brace Applications
  • Rod Capture Design Quickly Attaches to Trapeze or Single Hung Utilities
  • Dual Strut Nut Design for Heavy Duty Applications
RCHW-ISAT Seismic Brackets Rod Capture Hinge
Part#ATR Size
RCHW121/2″
RCHWX585/8″
RCHWX343/4″
  • Tested to FM1950
  • Complies with International Building Code and ASCE-7 Requirements
  • OPM Pre-approved for OSHPD/HCAI Projects
  • LA Building Code Approved (LARR 26016)
  • Patented Design (PATENT NO. 6,050,035)
  • Constructed of A36 Low Carbon Steel
  • Finish: ASTMB633 SC3-Type II Zinc coating Rated for “Severe” Service Conditions
  • Special Material and Finishes Available Upon Request

ABHWS – Anchor Bracket Hinge Weld (Short)

Seismic anchor brackets for the attachment to structure

  • Suitable for Cable or Rigid Brace Applications

  • Unique No-Turn Design Allows ABHWS to be Fixed to Strut Member Using a Single Strut Nut
ABHWS-ISAT Seismic Brackets Rod Capture Hinge
Part#ATR Size
ABHWS383/8″
ABHWS121/2″
ABHWS585/8″
  • Tested to FM1950
  • Complies with International Building Code and ASCE-7 Requirements
  • OPM Pre-approved for OSHPD/HCAI Projects
  • LA Building Code Approved (LARR 26016)
  • Constructed of A36 Low Carbon Steel
  • Finish: ASTMB633 SC3-Type II Zinc Coating Rated for “Severe” Service Conditions
  • Special Material and Finishes Available Upon Request

ABHW – Anchor Bracket Hinge Weld


Heavy duty seismic anchor brackets for the attachment to structure


  • Suitable for Cable or Rigid Brace Applications

  • Dual Strut Nut Design for Heavy Duty applications
ABHW-ISAT Seismic Brackets Rod Capture Hinge
Part#ATR Size
ABHW121/2″
ABHWX121/2″
ABHWX585/8″
  • Tested to FM1950
  • Complies with International Building Code and ASCE-7 Requirements
  • OPM Pre-approved for OSHPD/HCAI Projects
  • LA Building Code Approved (LARR 26016)
  • Constructed of A36 Low Carbon Steel
  • Finish: ASTMB633 SC3-Type II Zinc coating Rated for “Severe” Service Conditions
  • Special Material and Finishes Available Upon Request

Seismic Kits Installation

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