However, for extremely high-flow applications (over 3000 L/min) or corrosive media like chlorine gas, you should look beyond the Rki 057 series to a stainless steel, high-flow regulator from a different product family.
A: Yes, all genuine Rki 057 regulators are CE marked and comply with PED 2014/68/EU for pressure equipment. UL recognition is available upon request for North American shipments. Final Verdict: Is Rki 057 the Right Choice for Your Operation? If your application requires repeatable pressure control , chemical compatibility with compressed air or inert gases , and a compact form factor , the Rki 057 is an excellent, proven component. Its widespread adoption in Europe and growing popularity in North America ensures that spare parts and technical support remain accessible. Rki 057
| Specification | Typical Value | |---------------|----------------| | | 16 bar (232 psi) | | Fluid Compatibility | Compressed air, neutral gases, low-viscosity oils | | Temperature Range | -20°C to +80°C (-4°F to +176°F) | | Port Size | G1/4" to G3/8" (optional NPT adapters) | | Flow Rate (Cv) | 1.2 to 2.5 depending on variant | | Material Body | Anodized aluminum / Brass | | Seals (Standard) | NBR (nitrile) with optional FKM/Viton for aggressive media | Final Verdict: Is Rki 057 the Right Choice