... certificate Standard:DIN,BS,API,JIS,MSS etc Electric actuator butterfly valveFeature:1) Standard for face ... C- 120.C 7) Long working life without leakage Company Profile: We, Tianjin Tanggu Tianshun Valve Co., Ltd ... mode like manual ( lever, handweel or gearworm), electric and pneumatic actuator and so on. Our brand ... regard the quality and reputation as our company’s life.We have won the approval from ...