SDNR valves in nodular iron/stainless steel

Absperrbare Rückschlagventile (SDNR), PN 16 
in Durchgangs- oder Eckform, DIN 86252-01 
aus Sphäroguss EN-JS1049, Innenteile 1.4021+QT 
mit oder ohne innenliegender Schliessfeder 
Baulänge nach DIN 3202/EN 558 F1/F32 
Flansche nach DIN PN 10/16 
Zulässige Betriebsdrücke und 
Temperaturen nach DIN 2401

Materialspezifikation:

Gehäuse:

EN-GJS-400-18U-LT

EN-JS1049

Bügeldeckel:

EN-GJS-400-18U-LT

EN-JS1049

Sitz:

X20Cr13+QT

1.4021+QT

Kegel:

X20Cr13+QT

1.4021+QT

Spindel:

X20Cr13+QT

1.4021+QT

screwdown check-valves (SDNR), PN 16 
straight type or angle type, DIN 86252-01 
nodular iron EN-JS1049, inner parts 1.4021+QT 
with or without inside spring 
face to face acc. to DIN 3202/EN 558 F1/F32 
flanges acc. to DIN PN 10/16 
working pressure and 
temperature acc. to DIN 2401

material specification:

body:

EN-GJS-400-18U-LT

EN-JS1049

bonnet:

EN-GJS-400-18U-LT

EN-JS1049

seat:

X20Cr13+QT

1.4021+QT

disc:

X20Cr13+QT

1.4021+QT

stem:

X20Cr13+QT

1.4021+QT

Absperrbare Rückschlagventile (SDNR), PN 16

Type 018920 Type 017920

(Form B) (Form A)

NW/DNLL1DPCDHolesHH1RKGKG
                  017920018920
151309095654 x 141851851203,94,0
2015095105754 x 141851851204,34,5
25160100115854 x 142052001405,45,6
321801051401004 x 182052001407,06,6
402001151501104 x 182302151609,59,2
502301251651254 x 1823021516012,911,6
652901451851454 x 1827024518018,417,0
803101552001608 x 1830528020024,522,6
1003501752201808 x 1835532022536,033,0
1254002002502108 x 1839536025056,046,0
1504802252852408 x 2245041540078,068,0
175
2006002753402958 x 22570495520122100
25073032539535012 x 22685575520247204
30085037544540012 x 22770655520336270
35098042550546016 x 22860735640451398
4001.10047556551516 x 26865740640600515