... valve Size from DN50-1800mm High quality and competitive price Manual Knife gate valve, wafer type knife gate valve, ... standard: GB/T, ANSI, JIS, DIN1). Pressure: 0.6-1.6 MP , 150Lb, 125LB2). Size: 50-1800mm, NPS: 2 ... MPa)Working temperature (°C)Appropriate media1.0 1.61.5 2.41.1 1.8Rubber≤100°C Y/H≤425°Cpaper pulp ... stainless steel Rubber,TPFE,stainless steel,hard alloy Manual flanged knife gate valve