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Valvole Doppia Sede ZAW ZAW Double Seat Valves - Alflow

Valvole Doppia Sede ZAW ZAW Double Seat Valves - Alflow

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Pressioni massime di tenuta<br />

Maximum seal pressures (Bar/Psi)<br />

DN<br />

25 -1” 108 10/145 10/145<br />

32 108 10/145 10/145<br />

40-1”1/2 108 10/145 10/145<br />

50 130 10/145 10/145<br />

65 - 2”1/2<br />

80 - 3”<br />

100<br />

Presione circuito valvole ausiliarie P3= 6bar / 87psi<br />

Auxiliary valves circuit pressure P3= 6bar / 87psi<br />

D (mm)<br />

alesaggio / bore<br />

130 6.4/92 10/145<br />

156 10/145 10/145<br />

156 8.6/124 5.7/82<br />

207<br />

156 7.5/108 4.7/68<br />

207<br />

P1 (bar / psi)<br />

S.E. N.C. / S.A. N.C.<br />

P2 (bar / psi)<br />

DN<br />

25 -1” 108 10/145 9.5/138<br />

32 108 10/145 9.5/138<br />

40-1”1/2 108 10/145 9.5/138<br />

50 130 10/145 10/145<br />

65 - 2”1/2<br />

80 - 3”<br />

100<br />

Presione circuito valvole ausiliarie P3= 6bar / 87psi<br />

Auxiliary valves circuit pressure P3= 6bar / 87psi<br />

D (mm)<br />

alesaggio / bore<br />

130 10/145 6.5/94<br />

156 10/145 7.5/109<br />

156 10/145 5/72<br />

207<br />

156 10/145 4/58<br />

207<br />

P1 (bar / psi)<br />

D.E. N.C. / D.A. N.C.<br />

P2 (bar / psi)<br />

Legenda<br />

DN= Diametro nominale<br />

S.E. N.C.: Valvola normalmente chiusa con attuatore<br />

a semplice effetto (molla chiude/aria apre)<br />

D.E. N.C.: Valvola normalmente chiusa con attuatore a doppio effetto<br />

(aria e molla chiude/aria apre)<br />

Key<br />

DN= Nominal diameter<br />

S.A.N.C.: Valve normally closed with single acting<br />

actuator (air opens / spring closes)<br />

D.A. N.C.: Valve normally closed with double acting actuator<br />

(air opens / air and spring closes)<br />

9

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