The Staflux 187 H is a high-medium pressure gas regulator designed and manufactured by Pietro Fiorentini, specifically tailored for 100% hydrogen applications. It operates as a direct-operated regulator and is classified as Fail Open according to the European Standard EN 334. This device is engineered for use in high-pressure transmission systems and medium pressure gas distribution networks. Its competitive advantages include a compact and simple design, ease of maintenance, ability to operate with high differential pressure, balanced type construction, top entry configuration, and suitability for 100% hydrogen. The regulator is certified under European Directive 2014/68/EU (PED) and meets leakage standards of bubble tight, better than VIII according to ANSI/FCI 70-3. It is constructed from high-quality materials such as cast steel ASTM A352 LCC for the body, austenitic stainless steel for the stem and compression fittings, and vulcanized rubber for the diaphragm, ensuring durability and performance in extreme conditions.
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