맞춤형 지원
OEM, ODM, OBM, 소프트웨어 리엔지니어링
Stem
2Cr13, blow-out proof structure
Seat
PTFE+25%C, zero leakage
Install
can be buried directly, save cost
Maintenance
15 years maintenance free (15000 times trouble free use)
Body Material
20# carbon steel
Spring/metal washer
60Si2Mn