本产品引进国外先进技术，专用于大型汽轮机、大型机械空心螺栓，为装和检修时拆装加温，达到扣紧和拆卸要求，使用时速度快、操作方便。

The product licensed the advanced foreign technology and is specially used for large vapor-turbine machine and hollow bolt of large machinery,it performs the heating function for mounting and repuirement.And it has the quice speed and easy handling characteristics.

主要技术参数：

型号：SRM4φ8-φ33

长度：＜250mm-2000mm

孔径：被加热螺栓直径：M42×4-M200×4

中心孔直径：从φ10mm-φ36mm

额定电压为：交流220±20V

直流130±20V

额定电流为:5A-80A

功率:0.5KW-15KW

Major technical data:

Model:SRM4φ8-φ33

Length:＜250mm-2000mm

Bore diameter:bolt doameter to be heated:M42×4-M200×4

Centering hole diameter:φ10mm-φ36mm

Rated voltage:current direct current

Rated current voltage from 220±20V

Raged current ranges from 5A-80A

Power from 0.5KW-15KW