The Norval H by Pietro Fiorentini is a direct-operated gas pressure regulator designed for medium and low-pressure gas distribution networks. It is specifically suitable for 100% hydrogen applications and is classified as Fail Open according to the European Standard EN 334. The regulator is certified under the European Directive 2014/68/EU (PED) and meets a leakage class of bubble tight, better than class VIII according to ANSI/FCI 70-3. Key competitive advantages include a compact and simple design, high accuracy, Fail Open plug and seat functionality, balanced type, top entry, easy maintenance, and in-built accessories. It is ideal for use in various applications such as medium/small industry, regasification plants, district stations, commercial users, and blending units.
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