Description:
1.Size:1/2"---24"
2.Pressure:150#.300#.600#.900#
3.Working Temperature: not more than 425 degree
4.Design standard: ANSI B16.5
5.Medium: water treament, oil ,steam, gas producing line,
6.Connect Type:Flanged RF
Material
1.Valve body material: WCB, Stainless Steel
2.Disc: ASTM A216 WCBÂ SS304Â SS316
3.Seal: SSD507Mo, D577
4.Stem:1Cr13 , F6a
5.Bonnet:ASTM A216 WCB
6.Yoke nut: Zcual10Fe3 , ASTM A439 D-2
7.Hand Wheel : Malleable Cast Iron . DI WCB
Application: This kind of valve is usng the disc to cut off the medium in the producing line, it is widely used in the control system , has the "easy to operate , easy to repair " , the somple structure ,and good casting technology .
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The equipment is new complete equipment used in gold trade to recover gold from the gold-carrying carbon. It is suitable for desorption and electrolysis of gold-carrying carbon with different grades. The desorption is an intermixture of 1~2% sodium cyanide and 1~4% sodium hydroxide. The desorption solution is pumped to the heater by circulating pump and heated to the desired temperature. Then the solution flows downward to the bottom of desorption column, through the gold-carrying carbon in the column and upward to the top of it. During flowing, the solution strip gold from the carbon (at this stage the solution containing gold is called as pregnant solution). The pregnant solution runs out from the top of the column and into the electrolytic cell. In cell, the gold in the solution is electrically deposited in the steel wool of the cathode frame, and the rest (called as lean solution) flows back to desorption solution cell and recycled.
The gold mud containing rich gold and silver is taken out of desorption cell and transported to the separation section.
Electrowinning Gold,Gold Making Machine,Electrowinning Of Gold,Gold Extraction Machine
Changchun Gold Research Institute Co.LTD , https://www.ccgrizb.com