4-way oil pipe joint

Stand：

Fire special elastic base sealing gate valves

DN：DN15~350

Class：PN1.6~6.4

Stand：GB

Sygpz high-pressure water distribution device

Stand：API

Brass ball valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Brass lock ball valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Brass filter ball valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Brass flanged ball valve

DN：DN15~100

Class：PN16

Stand：GB/T 15185

Brass gate valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Brass globe valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Brass check valve

DN：DN15~100

Class：PN16

Stand：GB/T 15185

Brass filter

DN：DN15~65

Class：PN16

Stand：GB/T 15185

Brass piston type pressure reducing valve

DN：DN15~50

Class：PN16

Stand：GB/T 15185

Balance valve

DN：DN20~50

Class：PN16

Stand：GB/T 15185

Brass internal thread double pipe leak proof gas ball valve

DN：DN20~50

Class：PN16

Stand：GB/T 15185

Brass pb automatic temperature control valve

DN：DN15~100

Class：PN16

Stand：GB/T 15185

Fire rising stem gate valve

DN：NPS2"~24"

Class：PN6~16

Stand：GB/T12234

Firefighting signal groove butterfly valve

DN：DN50~1000

Class：PN10~40

Stand：GB/T12238

Fire fighting wafer butterfly valve

DN：DN50~1000

Class：PN10~40

Stand：GB/T12238

Oilfield special valves

DN：DN15DN400

Class：PN100PN420

Stand：

Oilfield special-purpose valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special-purpose valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special-purpose valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special valves

DN：DN15~DN400

Class：PN100~PN420

Stand：

Oilfield special valves

DN： DN15~DN400

Class： PN100~PN420

Stand：