覆盖球
Ø;25 Ø;25×1.0 200 42 125 14500 2700
Ø;38 Ø;38×1.2 150 42 121 22000 2025
Ø;50 Ø;50×1.5 120 42 73 10480 1620
Ø;40-Ⅰ Ø;40-Ⅰ×1.2 91% 9.5 118 710 Crushing strength≤0.4 MPa
Ø;40-Ⅱ Ø;40-Ⅱ×1.2 97% 9.3 110 660 Operation temparature≤120℃