覆盖球
Ø25 Ø25×1.0 200 42 125 14500 2700
Ø38 Ø38×1.2 150 42 121 22000 2025
Ø50 Ø50×1.5 120 42 73 10480 1620
Ø40-Ⅰ Ø40-Ⅰ×1.2 Covering ratio 91% 9.5 118 710 Crushing strength≤0.4 MPa
Ø40-Ⅱ Ø40-Ⅱ×1.2 Covering ratio 97% 9.3 110 660 Operation temparature≤120℃