매체
Water/sewage/sea water/gas/etc
Body material
Ductile iron/WCB/stainless steel
Seal material
EPDM/NBR/PTFE
Design standard
EN593/MSS SP67/API609/BS5155
End standard
ANSI B16.1/ANSI B16.5/DIN2501/EN1092
Test standard
API598/ ISO5208
Operation
Handwheel/Worm gear/Electric/Penufactic/Hydraulic