Brand Name: Vacuum Furnace Bellows  
Material: Stainless Steel  

Technology index:
1, vacuum leakage rate: 1 * 10-4 Pa L/S, ~ 1 * 10 or 11 L/S, Pa;
2, using temperature: 251 ℃ ~ 450;
3. compression ratio, 80%;
4,working life: 10 ~ 1 million times;
5, material qualitative: SUS 316 L;
6, dimensions: but according to customers' specific requirements