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Huahui Gate Valve|NRS Resilient seated gate valve DIN3352 F5

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Product Description

DIN3352 F5 NRS flange resilient seat gate valve


Features


The ductile iron core is fully vulcanized with EPDM rubber, no iron parts are exposed to the medium and the excellent rubber vulcanization prevents creeping corrosion underneath the rubber.

Guides in the wedge and on the valve body ensure a uniform closure, safe operation ensured as the guides prevent overloading of the stem.

Stainless steel stem with rolled threads for high strength.

The valve can replace stem seals under pressure.

Full bore.

Body inside and outside fusion bonded epoxy coating with excellent corrosion resistant performance. 


Standard


Design standardDIN3352 F5, EN1171
Flange drilling standardEN1092-2 PN10/PN16
Face to face standardEN558-1 Series 15
Hydraulic test standardEN1074-1 and 2 /EN12266

Seat:1.1*PN(in bar), Body:1.5*PN(in bar)

  

Technical Parameters


Nominal diameter(mm)50~60050~600
Nominal pressure(Mpa) 1.0 1.6
Testing pressureShell(Mpa)1.52.4
Seal(Mpa)1.11.76
Suitable temperature-40°C~150°C
Suitable mediumDrinking water、sewage、seawater、irrigation,or other neutral liquid.


 Main Raw Material


1BodyDuctile Iron9Top-nutBrass
2WedgeDuctile Iron+EPDM 10WasherPTFE
3StemStainless steel11Thrust collarBrass
4Wedge NutBrass12WasherPTFE
5BonnetDuctile iron13Dust CoverNBR
6Bonnet gasketEPDM rubber14HandwheelDuctile Iron
7BonnetDuctile Iron15Bonnet boltSteel gr.8.8
8O-ringEPDM rubber



Components may be substituted with equivalent or higher class materials.


 Dimension

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SizeLDCBn-dbfH
DN50250165125994-19193280
DN652701851451194-19193305
DN802802001601334-198-19193350
DN1003002201801548-19193390
DN1253252502101848-19193470
DN1503502852402108-23193525
DN2004003402952658-2312-23203630
DN25045040535035531912-2312-28223780
DN30050046040041037012-2312-2824.54870
DN35055052046047042916-2316-2826.541100
DN40060056558051552548016-2816-322841200
DN45065064056558554820-2816-323041300
DN50070067071562065058220-2820-3231.551450
DN60080078084072577068220-3120-373651650

  




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