Stainless Steel Diaphragm Capsule which outer diameter is Φ20 (two waves)

Technical Parameter:
1、When volume expansion rate△V=177mm^3, center of diaphragm capsule displaces 1.3±0.04mm;
2、Diaphragm capsule displacement W will be linear in range of 0.2~1.3, error rate≤±2%( volume incremental method);
3、distance between inside and outside bellows ≤0.08mm;
4、Diaphragm capsule max displacement ≥1.5mm;
5、Size of diaphragm capsule handle is made according to customers’ requests.