Hitachi ductile iron gate valve M20KSS/M20KFS/M20KFSO
1. This is the ductile iron valve. A ready substitute for bronze valves & cast iron valve installed with steam piping.
2. A tensile valve (not easy to break because of impact & temperature expansion)
3. The main parts are mostly stainless steel (13 % Cr SS) which is far more resistant to abrasion than bronze parts
4. Using graphite gasket & graphite steam packing that can handle high temperature
5. For saturated steam up to 9.8 bar pressure
Model HM20KSS
DN-15 to DN-50 size
PF (BSPP) thread connection
Body: Ductile iron
Disc: 13 % Cr SS
Stem: 13 % Cr SS
Seat ring: 13 % Cr SS
Gasket: 304 SS plate with graphoil layer on both side
Packing: Expanded graphite with SS wire
Model HM20KFS
DN-15 to DN-50 size
JIS-20K flange connection
Body: Ductile iron
Disc: 13 % Cr SS
Stem: 13 % Cr SS
Seat ring: 13 % Cr SS
Gasket: 304 SS plate with graphoil layer on both side
Packing: Expanded graphite with SS wire
Model M10KFSO (OS&Y)
DN-40 to DN-300 size
JIS-20K flange connection
Body: Ductile iron
Disc: 13 % Cr SS
Stem: 13 % Cr SS
Seat ring: 13 % Cr SS
Gasket: 304 SS plate with graphoil layer on both side
Packing: Expanded graphite with SS wire
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