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 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
Part# | ATR Size |
---|---|
RCHWS38 | 3/8″ |
RCHWS12 | 1/2″ |
RCHWS58 | 5/8″ |
RCHWS34 | 3/4″ |
- 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
Part# | ATR Size |
---|---|
RCHW12 | 1/2″ |
RCHWX58 | 5/8″ |
RCHWX34 | 3/4″ |
- 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
Part# | ATR Size |
---|---|
ABHWS38 | 3/8″ |
ABHWS12 | 1/2″ |
ABHWS58 | 5/8″ |
- 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
Part# | ATR Size |
---|---|
ABHW12 | 1/2″ |
ABHWX12 | 1/2″ |
ABHWX58 | 5/8″ |
- 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
Talk to an expert about your Seismic Anchor Brackets. Successful companies realize ISAT provides a competitive edge.
How Can We Help?
Talk to the seismic anchor brackets experts for your next project.
Call 877-523-6060 (8-5 PST M-F), or click to request more information.