Reflux 919

Description

Reflux 919 by Pietro Fiorentini is a control diaphragm valve especially designed for natural gas or other preliminarily filtered non-corrosive gases. It may be supplied in the direct-action (air to close), or in the reverse action type (air to open).

This device is mainly used in high-pressure transmission systems and in medium pressure gas distribution networks.

Features

  • Design pressure: up to 102 bar
  • Design temperature: from -20 °C to +60 °C
  • Rangeability: up to 1:1000
  • Sizes DN: up to 10″
  • Flanges: ANSI 150, 300 and 600 according to ASME B16.5 and PN 16 according to EN 1092
  • End to end dimensions: according to EN 334
  • Options: in built monitor, silencer, slam-shut
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