Choose the CONCOA 400 Series pressure regulators if you need top-of-the-line purity, safety, and leak containment, especially for toxic or ultra-sensitive gas applications.
- Incorporates Capsule® seat, metal‑to‑metal diaphragm seal, 10 μm filtration.
- Comes standard with a pipe‑away relief valve and captured‑vent capability — ideal for toxic gas service.
- Extremely low leak rate - 1×10-9 scc/sec or 31.7 years to leak 1cm2 of helium.
- Best for ultra‑high purity, analytical, calibration, chromatography, cryogenic, and EPA‑protocol environments.