Preformed Line Fittings

Preformed Insulator Ties

Preformed insulator tie also named distribution tie,the insulator tie will develop unbalanced and lift-off loads equivalent to over covered conductor.

Description of preformed insulator tie Preformed insulator tie also named distribution tie,the insulator tie will develop unbalanced and lift-off loads

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GroupTransmission and Distribution

CategoryPreformed Line Fittings

StandardsIEC and GB

CustomisationOEM and non standard accepted

Overview Specifications Gallery Ordering FAQ Related

Overview

Preformed Insulator Ties Description

Description of Preformed Insulator Tie

Preformed insulator tie also named distribution tie,the insulator tie will develop unbalanced and lift-off loads equivalent to,or in excess of, a hand tie over covered conductor. When installed with a pad on bare conductor, single line ties/top ties provide superior protection against abrasion and all types of conductor motion.The pad is a resilient cushion at the point of contact between conductor and insulator.

Material of Distribution Tie

Aluminum-clad steel with an elastomer pad

Insulators of Insulator Tie

Φ57mm (C Neck), Φ73mm (F neck) and Φ89mm (J neck)

Applicable Conductor of Preformed Tie

ACSR, All-Aluminum, Aluminum Alloy and etc …

Fixed Insulator Line Post Neck C Neck Φ57mm

Fixed Insulator Line Post Neck F Neck Φ73mm

Fixed Insulator Line Post Neck J Neck Φ89mm

Specifications

Codes Ranges and Dimensions

Figures below are reproduced from the CROP catalogue for this item.

Model	Diameter range (mm)	Approximate applied length (mm)	Color code
14.3mm minimum groove radius
DTT-5460-57	4.83	5.46	610	Blue
DTT-6200-57	5.49	6.20	635	Brown
DTT-7040-57	6.22	7.04	660	Orange
DTT-8000-57	7.06	8.00	660	Purple
DTT-9070-57	8.03	9.07	710	Red
DTT-1029-57	9.09	10.29	760	Yellow
DTT-1166-57	10.31	11.66	635	Blue
DTT-1321-57	11.68	13.21	635	Orange
DTT-1494-57	13.23	14.94	710	Red
DTT-1689-57	14.96	16.89	760	Purple
DTT-1918-57	16.92	19.18	785	Brown
DTT-2172-57	19.20	21.72	815	Red
15.9mm minimum groove radius
DTT-2459-57	21.74	24.59	865	Blue
19.1mm minimum groove radius
DTT-2784-57	24.61	27.84	940	Green
DTT-3150-57	27.86	31.5	940	Yellow

Model	Diameter range (mm)	Approximate applied length (mm)	Color code
14.3mm minimum groove radius
DTT-5460-73	4.83	5.46	635	Blue
DTT-6200-73	5.49	6.20	660	Brown
DTT-7040-73	6.22	7.04	685	Orange
DTT-8000-73	7.06	8.00	735	Purple
DTT-9070-73	8.03	9.07	785	Red
DTT-1029-73	9.09	10.29	815	Yellow
DTT-1166-73	10.31	11.66	660	Blue
DTT-1321-73	11.68	13.21	685	Orange
DTT-1494-73	13.23	14.94	735	Red
DTT-1689-73	14.96	16.89	815	Purple
DTT-1918-73	16.92	19.18	815	Brown
DTT-2172-73	19.20	21.72	840	Red
15.9mm minimum groove radius
DTT-2459-73	21.74	24.59	890	Blue
19.1mm minimum groove radius
DTT-2784-73	24.61	27.84	965	Green
DTT-3150-73	27.86	31.5	1040	Yellow

Product Images

Ordering and Support

From Enquiry To Delivered Order

Send The Requirement

Item code, conductor or cable size and quantity, or a drawing and a photograph for a non standard part.

Quotation

Price, packing, carton quantity and lead time are confirmed against the catalogue reference.

Sample or Tooling

Samples are sent for approval. Parts that need a new mould go through the in house mould division.

Production and Shipment

Production to IEC and GB standards, then packing and shipment on the agreed terms.

Answers

Frequently Asked Questions

How do I choose the right size?

Match your conductor or cable size against the range column in the specification table on this page, then quote the code on that row. If the size falls between two rows, send both figures with your enquiry and the correct item will be confirmed.

Is Preformed Insulator Ties available as a sample before a production order?

Yes. Ask for a sample by WhatsApp on 0086 138 6832 9796 or by email and the item, the packing and the lead time for a full order will be confirmed together.

Which standards do CROP products follow?

All CROP products are made to comply with IEC and GB standards. Where a project calls for a national or utility specification, send the standard reference with your enquiry and the matching item will be quoted.

Can items be produced to our own drawing?

Yes. Non-standard and OEM orders are part of the normal range. Send the drawing, a picture, the weight or the written specification to [email protected] or by WhatsApp and a quotation will be prepared against your requirement. CROP also runs its own mould division for plastic, SMC and stamped parts.

How do I obtain the PDF catalogue?

The catalogue is issued on request. Ask for the section you need by email or WhatsApp on 0086 138 6832 9796 and the PDF will be sent back to you. The catalogue page lists every section that is available.

Next Step

Get A Price For Preformed Insulator Ties

Send the code, the size and the quantity. Drawings for non standard versions are welcome.

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