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Huahui Gate Valve|Resilient seated gate valve gland type BS5163 NRS

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Product Description

BS5163 Iron Gland Type NRS Resilient Seat Gate Valve, DN40-DN1200


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 standardBS5163, EN1171
Flange drilling standardEN1092-2 PN10/PN16
Face to face standardEN558-1 Series 3
Hydraulic test standardEN1074-1 and 2 /EN12266

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

  

Technical Parameters


Nominal diameter(mm)40~120040~1200
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 Iron9Gland boltSteel gr.8.8
2WedgeDuctile Iron+EPDM 10HandwheelDuctile Iron
3Wedge NutBrass11GlandDuctile Iron
4StemStainless steel12O-ringEPDM rubber
5Bonnet gasketEPDM rubber13NutStainless steel
6BonnetDuctile iron14WasherSteel
7Thrust collarBrass15Bonnet boltSteel gr.8.8
8O-ringEPDM rubber



Components may be substituted with equivalent or higher class materials. 


Dimension


 

SizeLDCBn-dbfH
DN50178165125994-19193280
DN651901851451194-19193305
DN802032001601334-198-19193350
DN1002292201801548-19193390
DN1252542502101848-19193470
DN1502672852402108-23193525
DN2002923402952658-2312-23203630
DN25033040535035531912-2312-28223780
DN30035646040041037012-2312-2824.54870
DN35038152046047042916-2316-2826.541100
DN40040658051552548016-2816-322841200
DN45043264056558554820-2816-323041300
DN50045767071562065058220-2820-3231.551450
DN60050878084072577068220-3120-373651650

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