カスタマイズされたサポート
Oem, Odm, Obm
Standard or Nonstandard
Standard
Stem
2Cr13, blow-out proof structure
Seat
PTFE+C, zero leakage
Test
API 598 and API6D is available
Life
same as the pipeline
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