HG/T 3172-2002.Fabrication and inspection method for High pressure urea equipment preparation of the test coupons for the intergranular corrosion tren

HG/T 3173-2002.Fabrication and inspection method for High pressure urea equipment intergranular corrosion trend test on the urea grade extra low carbo

HG/T 3174-2002.Fabrication and inspection method for High pressure urea equipment selective corrosion and metallographic examination on the urea grade

HG/T 3175-2002.Fabrication and inspection method forHigh pressure urea equipment ultrasonic examination(UT) on the strip overlay welds of stainless st

HG/T 3176-2002.Fabrication and inspection method for High pressure urea equipment ammonia leakage test method for high pressure urea equipment. 1范围 HG

HG/T 3178-2002.Welding procedure qualification and welder performance qualification of corrosion resistant stainless steel tube-tubesheet joints for h

HG/T 3180-2002.Welding procedure qualification and welder performance qualification of cladding and internal for high pressure urea equipments. 1范围 HG

HG/T 4111-2009.Fully automatic continuous microfiltration/ ultrafiltration equipment for water purifacation. 1范围 HG/T 4111规定了全自动连续微/超滤净水装置(以下简称净水装置)的术

HG/T 4085-2009.Pressurized fiberbunch filter. 1范围 HG/T 4085规定了强化絮凝沉淀全自动净水成套装置[以下简称净水装置一由高效混凝、絮凝、沉淀、过滤(多介质)、消毒、水回用等工艺组件构成的一体装置]的术语和定义、分类命名和工作参数、要求、检验方法

HG/T 4084-2009.Fortified flocculation-sedimentation Fully automatic equipment for water purifacation. 1范围 HG/T 4084规定了强化絮凝沉淀全自动净水成套装置[以下简称净水装置一由高效混凝、絮