Art 1920s16 Valvola di ritegno a clapet con corpo e cappello e disco in ghisa G22, sede in ottone disco in neoprene, flange UNI / DIN PN 10/16
Art 1922s16 Valvola di ritegno a clapet con corpo e cappello e disco in ghisa G22, sedi in acciaio inox AISI 304 flange UNI / DIN PN 10/16
Pressione di esercizio a 30 °C in conformità alla norma DIN:
da DN 40 a DN 150 16 bar; da DN 200 a DN 600 12 bar; da DN 700 a DN 1000 6 bar
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Art 1920s16 Cast iron swing check valve with body, bonnet and disc in cast iron G22, seat, hinge, pin and block in brass, rubber NBR seat disc, flanged to DIN PN 10/16 Art 1922s16
Cast iron swing check valve as above but with stainless steel AISI 304 seats and stainless steel 13 % Cr. Stem
Working pressure at 30 °C to DIN norm: from DN 40 to DN 150 16 bar; from DN 200 to DN 600 12 bar; from DN 700 to DN 1000 6 bar
