This standard specifies the purchase order requirements,manufacturing techniques,technical requirements,inspection rules,test methods,acceptance and delivery for heavy steel castings.
This standard is applicable to the heavy steel castings of sand casting and casting mold casting which has equivalent thermal conduction with sand mold.
定价: 288元 / 折扣价: 245 元 加购物车
This standard specifies the basic process, type, design, inspection before delivery, mark, packaging, transportation and storage, installation and field performance test of superscale air separation plants (Hereinafter referred to as ASP).
This standard is applicable to ASP which separates air by cryogenic distillation with oxygen output no less than 60 000 m3/h and oxygen purity no less than 99.6% (volume fraction).
In this standard, the m3/h means gas volume flowrate unit at standard condition [0 ℃,101.325 kPa(A)] for oxygen and nitrogen,and the pressure unit with (A) means the absolute pressure otherwise the gage pressure.
定价: 552元 / 折扣价: 470 元 加购物车