Control valve flow characteristics of control analysis

Flow characteristics of a control valve As we all know, control valve is automatically in direct contact with the actuator fluid. For the thermal object, the flow and pressure of the control fluid (often water) are related to the realization of the technical goals of automation such as pr

Power pump features

The main features of the power pump are:
â‘  a certain pump head at a certain speed has a limited value. Operating point flow and shaft power depend on the condition of the system of the system connected to the pump (potential difference, pressure difference and line loss). Head ch

August 26 Shijiazhuang Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5/8mm Q235 Handan Steel 4950 -150 -250 -600 High Line Φ6.5/8mm Q235 Handan Steel 5100 - 100 -300 -600 High Line Φ6.5/8mm Q235 Shougang 5100 -100 -300 -600 High Lin

August 27 Lanzhou Steel Market Price Quotes

Product Name Specification Material Steel/Origin Price (Yuan/Ton) Than Yesterday Last Week, General Line Φ6.5mm Q235 QC Steel 4900 0 -300 -830 High Line Φ6.5-10mm Q235 Bayi Steel 4830 -20 -450 -950 High Line Φ6.5-10mm Q235 Jiu Steel 4830 -20 -450 -950 Rebar Φ12-14mm HRB335 Eight S

WACKER Introduces Redispersible Latex Decorative Mortar

Recently, German company WACKER has introduced an improved exterior wall exterior finishing system based on VINNAPAS redispersible polymer powder, a new one-component decorative mortar, and also introduced a new type of non-visible basalt that is used as exterior wall insulation. Decorative mor

August 27 Dalian Steel Market Price Quotes

The product name specification material steel factory / origin price (yuan / ton) than yesterday last week than the previous month General line Φ6.5mm Q235 steel 5150 0 -300 -700 high line Φ6.5-10mm Q235 steel 5200 0 -300 - 700 High Line Φ6.5-10mm Q235 New Fushun Steel 5200 0 -300 -7

August 26th Steel Market Price Quotes

Product Name Specification Material Steel Factory/Origin Price (Yuan/Ton) Yesterday Last Week Last Month General Line Φ6.5/8mm Q235 Handan Steel 4850 0 -200 -500 High Line Φ6.5/8mm Q235 Handan Steel 5050 0 - 150 -410 High Line Φ6.5/8mm Q235 New Gold 5050 0 -150 -410 High Line Φ6.5