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978 Valvola di ritegno wafer doppio battente pn 25

CHECK VALVE

DUAL PLATE CHECK VALVE WAFER TYPE PN 25 978

978 Disegno tecnico valvola di ritegno wafer

978 FEATURES

Working pressure: PN 25
Design temperature: -20°C / +425°C
Design standard: EN 593
Face to face: EN 558-1
Flanges: EN 1092-1
Tests: EN12266-1

978 MATERIALS

( 1 ) Hingle pin: SS AISI 316
( 2 ) Spring: SS AISI 316
( 3 ) Disc:  SS AISI 316
( 4 ) Body: SS AISI 316
( 5 ) Gasket: SS AISI 316
( 6 ) Plug: SS AISI 316
( 7 ) Bearing: SS AISI 316
( 8 ) Eyebolt: WCB

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