Valve body WCB tolerance, low temperature
Threaded joint valve with rated temperature not greater than 540 DEG C and nominal pressure not greater than PN420;Nominal pressure PN16~PN25 flanged end valve, rated temperature is not greater than 540 degrees centigrade.
Threaded joint valve with rated temperature not greater than 540 DEG C and nominal pressure not greater than PN420;Nominal pressure PN16~PN25 flanged end valve, rated temperature is not greater than 540 degrees centigrade.
WCB is cast carbon steel, and WCB forgings are A105. The valve is written to indicate the material of the valve body.The United States is the WCB grade, equivalent to the domestic ZG250-485 (ZG45), the chemical: C = 0.50; Si = 0.60; Mn = 0.90; P = 0.040; S = 0.040; Cr = 0.35; Mo = 0.20; V = 0.05; Ni = 0.30; Cu = 0.30Suitable temperature range from -29 to 425 centigrade.
