TURNBUCKLES - INTRODUCTION

General

Standard turnbuckles allow a working load range varying from 1 to 160 tons in all possible combinations of jaws, round eyes and oval eyes.
In standard design, the dimensions are according NEN 3305, but we can make any design or size you demand.

Turnbuckles up to and including a Working Load Limit (WLL) of 25 tons are supplied with a test certificate without additional costs. Testing and certification of turnbuckles with a Working Load Limit of over 25 tons at extra charge.

Inspection, testing and maintenance
•Check the turnbuckle visually daily on damages, dirt and load direction.
•Turnbuckles should be inspected at least once a year by a surveyor for proper functioning and damages.
•Turnbuckles should be taken apart at least every 4 years by a specialist, for inspection of wear, hidden damages or beginning cracks and have the blocks tested (if possible) by an authorized testing body.
•After repair, turnbuckles have to be tested by an authorized testing body.
•Have thread greased to prevent from rusting.
•Parts should be replaced if wear is 5% or more (e.g. jaws, bolts, oval eyes and round eyes).

Directions for use
•Turnbuckles should be used for straight or in-line pulls only.
•For connections, use components (like sockets or shackles) that are suitable for the indicated working load limit (WLL).
•If the turnbuckle is supplied with locking nuts, locking plates or other locking devices, they should be used.
•Bolts in jaws must be secured with the security pin.
•During the use, end fittings must be turned into the body at least one time the outer diameter of the thread. For example, for a turnbuckle with thread 65 x 10 mm, the length of the end fitting in the body must be at least 65 mm.

Design, specifications
•Standard all turnbuckles are painted blue (apart from the M-series, hot dip galvanized), but can be supplied zinc electroplated or hot dip galvanized as well.
•Turnbuckles can be supplied in all combinations of jaws, oval eyes, round eyes and stub ends.
•Standard all turnbuckles are supplied with locking nuts, but can also supplied with locking plates, locking bolts and other locking devices.
•Turnbuckles can be supplied with turning wheel or ratchet.
•Sizes different from standard are possible.