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Master Link Assembly

Product Details:

Ultimate Load is 5 times the Working Load Limit. Applications with wire rope and synthetic sling generally require a design factor of 5. Based on single leg sling (in-line load), or resultant load on multiple legs with an included angle less than or equal to 120 degrees. ** Proof Test Load equals or exceeds the requirement of ASTM A952(8.1) and ASME B30.9. For use with chain slings, refer to page 240 for sling ratings and page 245 for proper master link selection


    ▶ Alloy Steel — Quenched and Tempered.

    ▶ Individually Proof Tested to values shown, with certification

    ▶ Proof Tested with 60% inside width special fixtures sized to prevent localized point loading per ASME A-952 , reference page 276.

    ▶ Forgings have a Product Identification Code (PIC) for material traceability, along with the size, the name Crosby and USA in raised lettering.

    ▶ Selected sizes designated with “W” in the size column have enlarged inside dimensions to allow additional room for sling hardware and crane hook.

    ▶ Crosby 1 ¼” to 2” 344/347 master links are type approved to DNV Certification Notes 2.7-1- Offshore Containers. These Crosby master links are 100% proof tested, MPI and impact tested. The tests are conducted by Crosby and 3.1 test certification is available upon request. Refer to page 164 for Crosby COLD TUFF® master links that meet the additional requirements of DNV rules for certification of lifting ppliances - Loose Gear.

    ▶ Engineered Flat for use with S-1325A coupler link.

    ▶ Meets or exceeds all requirements of ASME B30.26 including identification, ductility, design factor, proof load and temperature requirements. Importantly, these links meet other critical performance requirements including fatigue life, impact properties and material traceability, not addressed by ASME B30.26.

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Master Link Assembly Specification:

Item CodeSizeAssemblyRope Working Load(T)Colour
07-1501/2" A 3472.4TonOrange
07-1515/8" A 3473.2TonRed
07-1523/4" A 3474.25TonOrange
07-1537/8" A 3476.7TonOrange
07-1541" A 347 12TonOrange
07-1551-1/4" A 34717TonRed
07-1561-1/2" A 34723.6TonRed
07-1571-3/4" A 347 30TonOrange
07-1592"A 342 10TonRed
07-1702-1/2"A 342 12TonRed
07-1713"A 342 16Ton Red
07-172 3"A 342 20TonRed
07-181 1/2"A 3422.4TonYellow
07-182  3/4"A 3425TonYellow
07-183  7/8"A 3428TonYellow
07-185 1-1/4"A 34217.4TonYellow
07-186  1-3/4"A 34230TonYellow