进口高温高压波纹管截止阀

进口高温高压波纹管截止阀性能描述 Performance description

高温高压波纹管截止阀阀体与阀盖的连接采用压力自紧密封结构，楔形的密封环（石墨夹不锈钢丝）与四开环组合迫使密封环在高压下变形实现可靠密封，压力越高密封越可靠 RETZ The connection between the valve body and the bonnet of the high-temperature and high-pressure corrugated stop valve adopts a pressure self tightening sealing structure. The combination of wedge-shaped sealing ring (graphite with stainless steel wire) and four open rings forces the sealing ring to deform under high pressure to achieve reliable sealing. The higher the pressure, the more reliable the sealing will be

合理填料函设计，采用编结石墨、柔性石墨填料加两端填料垫的组合，确保阀门无外泄漏 Reasonably design the stuffing box, and use the combination of braided graphite, flexible graphite packing and packing pads at both ends to ensure that the valve has no external leakage

阀杆倒密封设计可在特殊情况下方便换装填料 The valve stem reverse sealing design can facilitate the replacement of packing under special circumstances

进口高温高压波纹管截止阀技术要求Applicable Standards

设计标准 Design Rating∶GB/T12224、API 602、EN12516；

结构长度Face to Face∶GB/T12221、ASME B16.10 EN558；

法兰标准Flanged Ends∶EN1092-1、GB/T9113、ASME B16.5 

承插焊ASME B16.11 对焊端∶ASMEB16.25

检查和试验 Inspection & Testing∶EN12266、GB/T26480、API 598

规格尺寸 Size : 1/2～8"

公称压力 Nominal pressure：PN16～PN250、CL150～1500LB

适应温度 Applicable temperature ：-40～500℃

波纹管的结构 Structure of bellows

阀芯结构 Valve core structure

锥面密封∶密封面不残留杂质∶在趋于关闭时，密封面具有自清洁作用，实现线性密封 Conical sealing: no impurities remain on the sealing surface: when the sealing surface tends to close, the sealing surface has self-cleaning effect to achieve linear sealing

平衡双阀瓣密封∶小阀瓣缓解压力后带动大阀瓣轻松打开 retz品牌 Balanced double disc sealing: small disc releases pressure and drives large disc to open easily

主要零部件材料 Main parts and materials