RDCC Series Miniature Diaphragm Regulators feature a single-stage pressure reduction design with a combination of metal diaphragm and free poppet. This configuration ensures excellent sensitivity and stable outlet pressure. With their compact form, these regulators are ideal for low flow, ultra high purity applications. Lift poppet and diaphragm are made of Alloy 22, offering excellent corrosion resistance. No threads are exposed to the wetted area for easy purging. FR metal gasket face seal, W-seal, and C-seal connections are available for diverse working conditions.