K24R8B-L6,K24R8B-L8,K24R8B-L10,K24R8B-L15,K24R8B-L20

KA-L6,KA-L8,KA-L10,KA-L15,KA-L20,KA-L25,KA-L40

PQ-L10,PQ-L15,K23D-L10-J,KPSA-8,K23JR1-L3,QP215-DW,QLPY2

PQ-L10[M],PQ-L10,PQ-L15

QP106\QP108\QP210\QP208\QP215\QP320,QP215-DW

PJX-L8,PJX-L110,PJX-L15,PJX-L20

ZY6A-1-106、ZY6A-1-104、ZY6A-2-106

Following Standards:

API Spec 16D 2nd Edition《Specification for Control Systems for Drilling Well Control Equipment and Control

Systems for Diverter Equipment》

SY/T 5053.2-2007《Specification for control systems for drilling well control equipment and control systems for diverter

equipment》（API Spec 16D：2004，IDT）

JYS21-25 Pressure reducing and regulating valve

JYSQ21-25B Air/Manual Operate regulating Valve

23ZS21-25D Two-position and three-way

34Z21-25 Three-position four-way control valve

34ZS21-40 Three-position four-way control valve

34ZR6Y-L8 Three-position four-way air valve

34ZR6Y-L8A Three-position four-way air valve

QKY21-25 Hydro-pneumatic pressure switch

Y40-20 Relief valve

Y25-20B Relief valve

Y25-20C Relief valve

Triplex pump

QYB50-60L Air operated oil pump

QYB40-165L Air operated oil pump

QYB8-350L Air operated oil pump

JYSM21-25 Pneumatic motor pressure control valve

JYSM21-40 Pneumatic motor pressure control valve