Rki 057 May 2026

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. A leak from the vent hole (small opening under the bonnet) indicates a torn diaphragm. Order a service kit (Rki 057-DIAP) and replace it immediately to avoid total failure. 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 | Order a service kit (Rki 057-DIAP) and replace

A: Only if specifically ordered with EPDM seals. The standard NBR version will swell and fail within 48 hours of water exposure. Rki 057