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  • Rubber seated gate valve
  • Rubber seated gate valve
  • Rubber seated gate valve

Rubber seated gate valve

  • Design standard: BS5163, DIN3352 F4/F5, ANSI
  • Types: rubber seated or metal seated, rising stem or non-rising stem;
  • Dimensions: DN50mm-DN1000mm
  • Pressure: PN10-PN16

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Rubber seated gate valve
Design standard: BS5163, DIN3352 F4/F5, ANSI
Types: rubber seated or metal seated, rising stem or non-rising stem;
Dimensions: DN50mm-DN1000mm
Pressure: PN10- PN16
Flange drilling: EN1092-2, ASME B16.1/B16.42;
Inspection test: EN12266

Overview:
►1.Stem sealing
· A NBR wiper ring protects against dirt from outside.
· A polyamid bearing with 4 NBR O-rings protects against galvanic corrosion.
►2. Body/bonnet connection
• A round rubber bonnet gasket fits into a recess in the valve bonnet preventing it from being blown out by pressure surges.
• The 8.8 galvanized bonnet bolts are countersunk in the valve bonnet, encircled by the bonnet gasket and sealed with hot melt. Thus there is no risk of corrosion as the bolts are not exposed to the medium or soil.
►3. Wedge nut
The fixed wedge nut reduces the number of movable valve parts thus minimizing
the risk of corrosion/malfunction. The wedge nut is made of dezincification resistant
brass with lubricating abilities providing compatibility with the stainless steel stem.
►4. Vulcanized wedge
The ductile iron core is fully vulcanized with drinking water approved EPDM rubber internally and externally.
Material list

Name Material
Body GJS500-7
Disc GJS500-7+EPDM
stem SS420
bonnet GJS500-7
Holding ring C37000
O ring EPDM/NBR
Gland GJS500-7
Cap top GJS500-7
(Other Material are available on request)
 
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