威景FM認(rèn)證穿墻式指示閥(PIV閥):
部件材料名稱:
閥體:
球墨鑄鐵ASTM A536 65-45-12
閥桿:
不銹鋼AISI431
viking閥蓋:
球墨鑄鐵ASTM A536 65-45-12
止推環(huán):青銅ASTM C95400
VIKING威景PIV指示閥,PIV穿墻式指示閥,威景PIV閥填蓋料:立柱連接板球墨鑄鐵ASTM A536 65-45-12
威景PIV閥門閥瓣:球墨鑄鐵ASTM A536 65-45-12+EPDM
閥板螺母:青銅ASTM C95400
立柱連接板:球墨鑄鐵ASTM A536 65-45-12
扳手螺母:球墨鑄鐵ASTM A536 65-45-12
VIKING威景PIV指示閥,PIV穿墻式指示閥,威景PIV閥,FM認(rèn)證PIV閥