埋地式保溫焊接球閥 BQ61/7F
Buried type thermal insulation welded ball valve BQ61/7F
Buried type thermal insulation welded ball valve BQ61/7F
![]() | ![]() | 應用規(guī)范 APPLICATION STANDARD 1、設計、制造按GB12237-89的規(guī)定。 1.The design, the manufacture according to the provitions ofthe GB12237-89 2、結構長度按CVA7.1-83的規(guī)定。 2.Structure length CVA7.1-83 according to the regulat ions. 3、閥門的試驗標準按ZBJ16006-90的規(guī)定。 3.The valve test standard according tothe provisions ofthe ZBJ16006-90 4、保溫套層的技術要求參照津Q/GYO7-01-87的規(guī)定。 4. Thermal insulation layer with reference to the technical requirements of the tianjin Q/GY07-01-87 rules 閥門性能規(guī)范 ALVE PERFORMANCE STANDARD 1、工作壓力:不大于閥門的公稱壓力。 1.Working pressure: no greaterthan the nominal pressure of the valve. 2、工作溫度:-29°C~250°C 2.working tempe rature:-29"C~250C 主體材料:WCB、ZH1Cr18Ni9、ZGCr18Ni2Mo2Ti. The main materials:WCB、ZH1Cr18Ni9、ZGCr18Ni12Mo2Ti7 rules |