Page 198 - Green Pin Product Catalogue 2019_EN

SHORTENING CLUTCHES
SHORTENING

CLUTCHES

Applications

Grade 8 shortening clutches are designed to be used

in the manufacturing of grade 8 chain slings. Grade 10
shortening clutches are designed to be used in the
manufacturing of grade 10 slings.

Range

Green Pin offers a range of grade 8 and grade 10 shortening clutches. The range extends from 6 mm
®
7
3
to 20 mm ( /32" to /4").
Design
®
Green Pin Grade 8 and Grade 10 shortening clutches are manufactured from drop forged alloy steel.
The shortening components are generally marked with:
• manufacturer’s symbol - GP
• chain diameter in mm and/or inch - e.g. 13 and/or /2"
1
• traceability code - e.g. HA
• steel grade - 8 or 10
• item code - e.g. GVC
• origin - France

Finish

Green Pin shortening clutches are painted. Grade 8 products were painted yellow or red under the Excel
®
®
®
brand. However, grade 8 products under the Green Pin brand will be painted white. Grade 10 products are
painted blue and will remain so.
Instructions for use
All grade 8 and grade 10 components should be inspected before use to ensure that:
• all markings are legible;
• items with the correct WLL have been selected. For further details, refer to the EN818 standard for
chain slings;
• items are not distorted or unduly worn;
13 • all items are free from nicks, gouges, cracks and corrosion.

Also:
• all components of the sling must be of the same steel grade;
• items should be used for in-line lifting only;
• the bolt, nut or any other locking system must not vibrate out of position;
• items may not be heat treated as this may affect their WLL;
• never modify, repair or reshape an item by machining, welding, heating or bending as this may affect
the WLL.

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