亚洲中久无码不卡永久在线观看_五月天在线视频婷婷播放_AV中文字幕不卡一_亚洲性爱免费视频观看

Air valves空氣閥門

Angle Stop valves角式截止閥

Angle Throttle Valves角式節(jié)流閥

Angle Type Globe Valves門角式截止閥

Ash valves排灰閥

Aspirating valves吸（抽）氣閥

Auxiliary valves輔助（副）閥

Balance valves平衡閥

Bellows valves波紋管閥

Blowdown valves泄料（放空，排污）閥

Brake valves制動(dòng)閥

Butterfly Type Non-slam Check蝶式緩沖止回閥

Butterfly Valves with Gear Actuator蝸輪傳動(dòng)蝶閥

Buttwelding valves對(duì)焊連接閥

Clamp valves對(duì)夾式閥門

Cock二通

Combination valves組合閥

CQ Thread Ball Valves CQ螺紋球閥

Culvert valves地下管道閥

Deceleration valves減速閥

Diaphragm Valves隔膜閥

Decompression valves泄壓閥

Double Disc Flat Gate Valves雙閘板平板閘閥

Double Disk Parallel Gate Valves明桿平行式雙閘板閘板

Double Opening Exhaust Valves雙口排氣球

Drainage valves 排水閥

Electric Actuated Stop Valves電動(dòng)截止閥

Electric Actuated Wedge Gate Valves電動(dòng)楔式閘閥

Electric Double Disk Parallel Gate Valves電動(dòng)平行式雙閘板閘板

Emergeny Cut-off Valves緊急切斷閥

Exhaust valves 排氣閥

Free Float Type Steam Trap浮球式疏水閥

Flange Ball Valves法蘭球閥

Flange Gate Valves法蘭閘閥

Flange Globe Valves法蘭截止閥

Gauge Valves儀表閥

Hand-operated valves 手動(dòng)閥

Hard Seal Butterfly Valves金屬密封碟閥

High Temperature Pressure Power Station Gate Valves高溫高壓電站閘閥

High Temperature Pressure Power Station Globe Valves高溫高壓電站截止閥

Hydraulic relay valves 液壓繼動(dòng)閥

Lift Check Valves升降式止回閥

Lift Check Valves升降式止回閥

Limit valves 限位閥

Lining Ball Valves襯里球閥

Lining Butterfly Valves襯里碟閥