3AV5-12 type 3-phase Vacuum Circuit Breaker adopts ABB and SIEMENS solid sealing insulation technology, and seals the vacuum interrupter and other parts of the primary main circuit with epoxy resin material to form a pole, which has high insulation and hi
ASTM A335 P5 Alloy Steel Pipe are mainly used for heating surface tubes of low and medium pressure boilers (working pressure is generally not more than 5.88Mpa, working temperature is below 450°C); for high pressure boilers (working pressure is generally
Fibers, 250μm, are positioned in a loose tube made of a high modulus plastic.Tubes are filled with a water-resistant filling compound.Tube is wrapped with a layer of corrugated steel tape longitudinally. Between the corrugated
Cross-border supply of summer breathable labor insurance shoes, men's anti-smash and anti-puncture sport fashion working safety shoes work safety protective shoes.
1.It has high efficiency and obvious energy saving effect.2.The heating temperature is high and the heating time is short, which means that the heating speed is fast.3.Safe and reliable