mg023

for mathematics education Device for measuring the volume and the outside area of a cylinder. Demonstration Model of Circle Area and Pi

1.brass angle valve 2.material:brass 3.size:1/2 "-1/2 " 4.ISO certificate, 5.15 years experience ,supply OEM. Describe1.brass angle valve 2.Item NO.: MG0233.size: 1/2 " -1/2 " / 1/2"-3/8"4.certificate: ISO9001 :20085.material: brass body , brass ball, brass or iron handle , PTFE.6. pressure: PN≤1.6MPa PN2.5-6.4MPa 7. temperature.:-10oC