sales@elmatic.co.uk
029 2077 8727
Wentloog Rd, Rumney, Cardiff, CF3 1XHWe supply a fantastic selection of bolt heaters which perform an essential function in the maintenance of turbine generators. The latest designs were developed in conjunction with the CEGB and turbine manufacturers to meet industry’s requirements. They are approved to CEGB standard 12/64.
The length of our bolt heaters, loading and diameter are to CEGB specification. Other diameters, lengths & loadings are available to our customer’s specification.
*Connection to the supply via a Harvey Hubbell plug and socket, BS4343 or a cable connection.
*The fabricated stainless steel terminal box is robust, fitted with a substantial handle and has provision for identification bolt numbers.
*The range of heaters is based on two sizes of terminal box.
*The elements are offset in the low profile terminal box for maximum clearance.
*Element bundle replacement can be carried out on site, if required – no need to return the bolt heaters for maintenance.
*Supply volts = 110V
*All bolt heaters are fully interchangeable with the formerly which is manufactured by Redring Electric.
Types Of Terminal Box Arrangement
| Arrangements (see below) |
Harvey Hubbell Rating |
Connector Type of Harvey Hubbell Plug required* Redring ref. |
| I | 30A | 77-666801 |
| II | 30A | 77-666801 |
| III | 60A | 77-666802 |
| IV | 100A | 77-666803 |
| Complete Bolt Heater Reference | Heater dia Inches | Watts | Blade length Inches | Cold length Inches | Heated length | Termlbox arrgt.. | Complete Spare Elt. Bundle reference | ||
| REDRING | CEGB | Inches | REDRING | CEBG | |||||
| 77-662401 | 12/64/003 | 0.625 | 500 | 12 | 8.5 | 3.5 | I | 77-662301 | 12/64/153 |
| 77-662402 | 12/64/004 | 0.625 | 500 | 15 | 10 | 5 | I | 77-662302 | 12/64/154 |
| 77-662403 | 12/64/018 | 0.625 | 1000 | 15 | 9 | 6 | I | 77-662303 | 12/64/168 |
| 77-662404 | 12/64/019 | 0.625 | 1000 | 18 | 10 | 8 | I | 77-662304 | 12/64/169 |
| 77-662405 | 12/64/020 | 0.625 | 1000 | 24 | 13 | 11 | I | 77-662305 | 12/64/170 |
| 77-662406 | 12/64/036 | 0.265 | 2000 | 24 | 13 | 11 | I | 77-662306 | 12/64/186 |
| 77-662407 | 12/64/082 | 0.625 | 5000 | 54 | 9 | 45 | III | 77-662307 | 12/64/235 |
| 77-662408 | 12/64/051 | 0.625 | 3000 | 30 | 6 | 24 | I | 77-668301 | 12/64/203 |
| 77-662409 | 12/64/034 | 0.625 | 2000 | 25 | 5 | 20 | I | 77-662309 | 12/64/184 |
| 77-662410 | 12/64/035 | 0.625 | 2000 | 37 | 7 | 30 | I | 77-662310 | 12/64/185 |
| 77-662411 | 12/64/007 | 0.625 | 500 | 26 | 21 | 5 | I | 77-662311 | 12/64/152 |
| 77-662412 | 12/64/033 | 0.625 | 2000 | 15 | 4 | 11 | I | 77-668302 | 12/64/183 |
| 77-662413 | 12/64/017 | 0.625 | 1100 | 14 | 6 | 8 | I | 77-668303 | 12/64/167 |
| 77-662414 | 12/61/843 | 0.625 | 500 | 13 | 8 | 5 | I | 77-668304 | 12/61/844 |
| 77-662701 | 12/64/005 | 0.734 | 500 | 15 | 10 | 5 | I | 77-662601 | 12/64/155 |
| 77-662702 | 12/64/006 | 0.734 | 500 | 18 | 9 | 9 | I | 77-662602 | 12/64/156 |
| 77-662703 | 12/64/021 | 0.734 | 1000 | 15 | 9 | 6 | I | 77-662603 | 12.64/171 |
| 77-662704 | 12/64/022 | 0.734 | 1000 | 18 | 10 | 8 | I | 77-662604 | 12/64/172 |
| 77-662705 | 12/64/023 | 0.734 | 1000 | 24 | 13 | 11 | I | 77-662605 | 12/64/173 |
| 77-662706 | 12/64/024 | 0.734 | 1000 | 34 | 8 | 26 | I | 77-662606 | 12/64/174 |
| 77-662707 | 12/64/037 | 0.734 | 2000 | 21 | 11 | 10 | I | 77-662607 | 12/64/187 |
| 77-662708 | 12/64/038 | 0.734 | 2000 | 24 | 11 | 13 | I | 77-662608 | 12/64/188 |
| Complete Bolt Heater Reference | Heater dia Inches | Watts | Blade length Inches | Cold length Inches | Heated length | Termlbox arrgt.. | Complete Spare Elt. Bundle reference | ||
| REDRING | CEGB | Inches | REDRING | CEBG | |||||
| 77-662709 | 12/64/039 | 0.734 | 2000 | 33 | 17.5 | 15.5 | I | 77-662609 | 12/64/189 |
| 77-662710 | 12/64/040 | 0.734 | 2000 | 42 | 7 | 35 | I | 77-662610 | 12/64/190 |
| 77-662711 | 12/64/053 | 0.734 | 3000 | 35 | 15 | 20 | I | 77-662611 | 12/64/204 |
| 77-662712 | 12/64/068 | 0.734 | 4000 | 53 | 12 | 41 | III | 77-662612 | 12/64/218 |
| 77-663001 | 12/64/099 | 0.875 | 6000 | 48 | 10 | 38 | III | 77-662901 | 12/64/249 |
| 77-663002 | 12/64/046 | 0.875 | 2000 | 30 | 9 | 21 | I | 77-662902 | 12/64/196 |
| 77-663003 | 12/64/047 | 0.875 | 2000 | 27 | 12 | 15 | I | 77-662903 | 12/64/197 |
| 77-663004 | 12/64/060 | 0.875 | 3000 | 20 | 9 | 11 | I | 77-662904 | 12/64/208 |
| 77-663005 | 12/64/061 | 0.875 | 3000 | 23 | 9 | 14 | I | 77-662905 | 12/64/209 |
| 77-663006 | 12/64/062 | 0.875 | 3000 | 25 | 6 | 19 | I | 77-662906 | 12/64/210 |
| 77-663007 | 12/64/076 | 0.875 | 4000 | 30 | 4 | 26 | III | 77-669001 | 12/64/224 |
| 77-663008 | 12/64/065 | 0.875 | 3000 | 19 | 6 | 15 | I | 77-669002 | 12/64/211 |
| 77-663009 | 12/64/054 | 0.875 | 3000 | 36 | 8 | 28 | I | 77-662907 | 12/64/213 |
| 77-663010 | 12/64/044 | 0.875 | 2000 | 18 | 8 | 10 | I | 77-662908 | 12/64/194 |
| 77-663011 | 12/64/063 | 0.875 | 3000 | 31 | 7 | 24 | I | 77-662909 | 12/64/216 |
| 77-663012 | 12/64/064 | 0.875 | 3000 | 42 | 14 | 28 | I | 77-662910 | 12/64/217 |
| 77-663013 | 12/64/059 | 0.875 | 3000 | 34 | 13 | 21 | I | 77-662911 | 12/64/215 |
| 77-663014 | 12/64/058 | 0.875 | 3000 | 30 | 15 | 15 | I | 77-662912 | 12/64/214 |
| 77-569201 | 12/64/066 | 1 | 3000 | 19 | 6 | 14 | I | 77-664203 | 12/64/212 |
| 77-669202 | 12/64/041 | 1 | 2000 | 13 | 4 | 9 | I | 77-664202 | 12/64/193 |
| Complete Bolt Heater Reference | Heater dia Inches | Watts | Blade length Inches | Cold length Inches | Heated length | Termlbox arrgt.. | Complete Spare Elt. Bundle reference | ||
| REDRING | CEGB | Inches | REDRING | CEBG | |||||
| 77-663301 | 12/64/042 | 1.1875 | 2000 | 24 | 14 | 10 | II | 77-663201 | 12/64/191 |
| 77-663302 | 12/64/055 | 1.1875 | 3000 | 24 | 11 | 13 | II | 77-663202 | 12/64/205 |
| 77-663303 | 12/64/056 | 1.1875 | 3000 | 35 | 15 | 20 | II | 77-663203 | 12/64/206 |
| 77-663304 | 12/64/069 | 1.1875 | 4000 | 24 | 8.5 | 15.5 | III | 77-663204 | 12/64/219 |
| 77-663305 | 12/64/070 | 1.1875 | 4000 | 35 | 15 | 20 | III | 77-663205 | 12/64/220 |
| 77-663306 | 12/64/086 | 1.1875 | 5000 | 48 | 23 | 25 | III | 77-663206 | 12/64/236 |
| 77-663307 | 12/64/100 | 1.1875 | 6000 | 48 | 23 | 25 | III | 77-663207 | 12/64/250 |
| 77-663308 | 12/64/101 | 1.1875 | 6000 | 54 | 14 | 40 | III | 77-663208 | 12/64/251 |
| 77-663309 | 12/64/113 | 1.1875 | 8000 | 42 | 14 | 28 | IV | 77-663209 | 12/64/263 |
| 77-663310 | 12/64/114 | 1.1875 | 8000 | 54 | 19 | 35 | IV | 77-663210 | 12/64/264 |
| 77-663311 | 12/64/126 | 1.1875 | 10000 | 54 | 16 | 38 | IV | 77-663211 | 12/64/276 |
| 77-663312 | 12/64/127 | 1.1875 | 10000 | 60 | 15 | 45 | IV | 77-663212 | 12/64/277 |
| 77-663313 | 12/64/140 | 1.1875 | 11000 | 54 | 16 | 38 | IV | 77.663213 | 12/64/290 |
| 77-663314 | 12/64/141 | 1.1875 | 11000 | 60 | 15 | 45 | IV | 77-663214 | 12/64/291 |
| 77-663601 | 12/64/043 | 1.375 | 2000 | 18 | 9 | 9 | II | 77-663501 | 12/64/192 |
| 77-663602 | 12/64/057 | 1.375 | 3000 | 24 | 14 | 10 | II | 77-663502 | 12/64/207 |
| 77-663603 | 12/64/071 | 1.375 | 4000 | 24 | 11.5 | 12.5 | III | 77-663503 | 12/64/221 |
| 77-663604 | 12/64/072 | 1.375 | 4000 | 35 | 15 | 20 | III | 77-663504 | 12/64/222 |
| 77-663605 | 12/64/087 | 1.375 | 5000 | 28 | 12.5 | 15.5 | III | 77-663505 | 12/64/237 |
| 77-663606 | 12/64/128 | 1.375 | 10000 | 45 | 15 | 30 | IV | 77-663506 | 12/64/278 |
| 77-663901 | 12/64/073 | 1.438 | 4000 | 24 | 11.5 | 12.5 | III | 77-663801 | 12/64/223 |
Delivery & Enquiries
Most items are available for delivery in 4/5 or 2/3 working days. However, we do offer additional emergency services for customers who are in a breakdown situation. This includes a 48hr services on Mica products, Cartridge Heaters and Ceramic Knuckle Heaters. For all enquires please contact a member of our sales team who will be happy to assist.
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