两个人的WWW免费视频,超碰色偷偷男人的天堂,中文字幕aⅴ人妻一区二区,亚洲欧洲自拍拍偷午夜色无码

Piston multi-function pump control valve

Products > Hydraulic control valve > Piston multi-function pump control valve

Piston multi-function pump control valve

Model: XYLDS101 / 201X
Nominal diameter: DN50 ~ 1400mm
Nominal pressure: PN1.0 ~ 2.5MPa
Medium: Water
Temperature: 0 ~ 80 ℃
Connection: flange connection
Structure length standard: GB / T12221
Connection flange standard : GB / T 9113
Pressure Temperature Level: GB / T12224
Test standards: GB / T 13927
Contact purchase
shared:

product description

       Piston-type multi-function pump control valve is installed on the large-diameter water supply pipe network at the pump outlet, to prevent media backflow, water hammer and water hammer phenomenon intelligent valve. The valve combines electric valve, check valve and water hammer eliminator three functions, which can effectively improve the water supply system safety and reliability. Double-chamber, double-disc construction allows the valve to quickly shut off 90% after the pump has been stopped (prevents reverse flow from causing the pump to reverse) and then slowly shut off the remaining 10% (destructive water hammer) Piston Valves Reliable, high strength , Smooth action, to prevent the pump water hammer and water pump stop the occasion. Just operate the pump motor hoist button, the valve can be automatically opened and closed in accordance with the pump operating procedures, flow, pressure loss.

 

The main form of connection size

DN506580100125150200250300350400450500700800900100012001400
L205216250320365415500605698787914978978130014501650180020002350
H293328364418481543673729927957118812181600200023002600270028603200


国产偷久久久精品专区| 无码人妻AⅤ一区二区三区有奶水| 久久久久久人妻一区精品| 精品多毛少妇人妻AV免费久久| 51VV社区视频在线视频观看| 国产人成无码视频在线|