DIN F4 F5 Resilient seated gate valve
Product Description
Resilient seat contact is easily and perfectly maintained and this allows quick and perfect change of gate without dismantling the valve from pipeline when the rubber lining is worn out. In turn, when the metal-seated gate valve leaks, it should be returned to its factory for renewing and precise machining of metal seats, or it should be thrown away.
Feature
1. Valve is supplied with hand wheel or bare shaft with square cap or gear box.
2. A stem dust guard is fitted.
3. Stainless steel bonnet bolts are plastic sealed.
4. Wedge is in ductile iron with EPDM or NBR coated.
5. Wedge with central guides to avoid rubber friction when operating.
6. Internally and externally coated with Epoxy by electrostatic coating.
7. Full and straight bore avoids turbulence, pressure loss and Venturi effect.
8. Unique gland seal design is differ from most of manufacturers.
| Size |
DN40-DN900
|
|
Design Standard
|
BS5163, PN10/16
|
|
Face to face
|
BS5163
|
|
End flange
|
EN1092 |
| Body |
GGG |
| Wedge |
GGG+EPDM/NBR |
| Stem |
SS420,SS304,SS316 |
| Stem Nut |
Brass,ZCuA110Fe3 |
| Middle gasket |
NBR/EPDM |
| O ring |
NBR/EPDM |
| Suitable temperature |
-10°C~120°C |
| Suitable medium |
Water, Sewage |
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