唐纳森SDD TCD爆破片
TCD爆破片是一种复合式爆破片，由四个精密组件构成：
开槽穿孔金属承压层
密封膜片（通常采用PTFE，也可提供多种金属/非金属替代材料）
抗冲击保护层
精准校准环
该型号专为公路/铁路槽车的液态及气态介质运输设计，能在静态、循环及脉冲工况下稳定工作。TCD爆破片可在数毫秒内实现过压全开，特别适用于运输载具的阀门保护。针对真空或背压工况，可额外选配专用支撑组件以增强系统安全性。
| Model | TCD |
| Materials | Stainless steel |
| Membrane | PTFE, PFA |
| Dimensions | DN 2″(50) – DN 2″1/2(65) – DN 3″(80) |
| Rupture pressure | from 3 to 5 bar g |
| Tolerance | +/- 5 % |
| Operating temperature | up to 265 °C |
| Operating margin | up to 80% |
| Vacuum support | Available |
| Fragmentation | No (membrane only) |
| Use under valve | Yes |
| Corrosion resistance | Good – can be protected with a PTFE membrane |
| Linings | Yes |
| Container | Directly mounted |
| Rupture sensor | Electrical, Magnetic, Inductive, Optical |
| PED Certification [CE STAMP] | Available |
| ATEX EX II 2 GD Certification | Available |
Donadonsdd爆破片、Donadonsdd复合式正拱型爆破片、TCD爆破片、Donadonsdd正拱型爆破片
