Installation
The valve can be installed in horizontal or vertical piping with regards to
flow direction.
Operation
The valve is operated by handwheel, chainwheel or from a stand.
Globe valve
with flooded seal |
Application
Shut-off valve for toxic, volatile or otherwise
hazardous non-aggressive liquids and gases
for service pressures and temperatures:
The valve is not suitable for flow regulation
Technical description
The valve is yoke-type. Closing disc fits into
sealing surface welded in the valve body.
Flooded seal in the yoke seals the stem.
Flooding pipe is connected with DN 4
connectors (ÈSN 13 7720). In DN 15-100
valves the flow direction is from under the
disc. For DN 125-200 valves, the flow
direction is from above the disc and internal
bypass reduces pressure difference before and
after the closing element. (pressure drop).
Connecting and face-to-face dimensions
Flange connecting dimensions as per
ÈSN 13 1060, DIN 2501.
Face-to-face dimensions as per
ÈSN EN 558-1 part 1, DIN 3202 F1.
Flange faces as per ÈSN 13 1061, DIN 2526.
Material
Body, yoke carbon steel (GS-C25)
Disc up to DN 100 stainless steel (13 Cr)
Disc from DN 125 carbon steel with 13 Cr
overlay
Stem, lantern ring stainless steel
Gland packing asbestos-free graphite
Testing
The valve is tested as per ÈSN 13 3060, part 2,
DIN 3230-3. |
