三通旋塞阀 three-way plug valve X44W-10

三片式高压带锁球阀 3PC high-pressure lockable ball valve

俄标法兰明杆楔式闸阀 GOST flange RS wedge gate valve Z40H-16

低温焊接截止阀 Sub-zero welded globe vlave DJ61W-/25/40/64

锻压低温焊接闸阀 Forged sub-zero welded gate vlave DZ60W-/25/40/64

低温焊接升降式止回阀 Sub-zero welded lift check vlave DH61H-/25/40/64

低温法兰闸阀 sub-zero flange gate vlave DZ40W-16/25/40/64

低温法兰球阀 sub-zero flange ball valve DQ41Y/F-16

低温承插焊球阀 sub-zero socket welded ball valve DQ61Y/F-16

俄标伞齿轮明杆闸阀 GOST bevel gear RS stem gate valve Z540Y-16

美标低温法兰闸阀 ANSI sub-zero flange gate vlave DZ40W-150LB/300LB/600LB

活塞式快开排泥阀 piston quick-open mud valve J644X-10/16