Product Name: Expanding Mandrel for Power and Distribution Transformer Suitable Coil Size: 160-1200mm or as Required No. of Bars: 6/8/12 PCS Bar Length: 1200-2500mm or as Required Total Length: 1500-3700mm or as Required Guarantee: One Year Since The Date of B/L Package: Sea Worhty Wooden Case Trademark: ZHENHUAN Transport Package: Sea Worthy Wooden Case Origin: China Product Description Transformer winding mandrel description:Expandable winding mandrels are definitely needed for winding transformer coils. Outer diameter is adjustable, motorized or manual expanded.The diameter variation is big; taking-off is convenient, suitable for both horizontal winding machine and verticalwinding machine.Specifications of expanding mandrel for power an ddistribution transformerCodeMax. coil weight (t)Expanding coil diameter range (mm)Expanding coil diameter range with pad (mm)No. of barsBar length (mm)Total length (mm)KTM-11160-200210-310612001500KTM-22200-300310-410612001500KTM-33300-400410-510612001500KTM-44400-500510-610815002000KTM-55500-600610-710815002000KTM-66600-700810-9101220003000KTM-78700-800910-10101220003000KTM-810800-9001010-11101620003000KTM-913900-10001110-12101625003700KTM-10161100-12001210-13102025003700WeNantong Zhenhuan Trade Co., Ltd. is certified by TUV, BV, SGS, good reputation and credit and have10 years trading experience. We can provide you not only good quality transformer winding mandrel but also good after-sale service.