Model code:
Type:
(1) KHB (BKH)=Block type ball valve DN04-25
(2) KHM (MKH)=sleeve type ball valve DN32-50
Connection form:
(1) Comparison table for thread specifications or pipe outer diameter and connection form
(2) NPT (PT) connection to American standard NPT (PT)
(3) Internal thread connection of UN/UNF
Material:
Material code
Valve body, joint body material: 1-steel 4-stainless steel
Material of sphere and control core shaft: 1-steel 2-brass 4-stainless steel
Spherical sealing material: 1-POM
Joint body and control core shaft sealing ring material: 2-nitrile rubber 4-fluororubber
Note: Material 1112 is a conventional combination
Handle type:
01=Aluminum clamp handle, straight handle (AG)
02=Aluminum clamp handle, crank (AK)
03=Cast zinc clamp handle, straight handle (ZG)
04=Handle with zinc strip installation bolt, crank (ZK)
06=Steel handle with mounting bolts, crank (SK)
09=No handle
Series:
(To be agreed upon by the manufacturer)
Surface protection:
None=phosphating
G=Yellow zinc plating
W=environmentally friendly zinc (three prices)
Dimension: