Detailed Product Description

Features & Benefits

. Excellent Reliability
-Eyelet Follower providing a smooth flow
path & maximum performance
-Self cleaning action between disk & seat
-Welded-in seats hard-faced with Stellite.
or Equivalent
-Seat surface protection provides
extended life
-Low Cost Maintenance
-Expanded graphite pressure seal & gland
packing
-Lower operating forces than wedge gate
design
-Interchangability of parts
-Simplified seat refurbishment (only
requires flat lapping, no critical angles to
be matched to ensure sealing capability)
-Longer seat life with eyelet follower, due
to reduced erosion
. Improved Performance
-Lower pressure drop characteristic than
wedge gate valve
-Minimised flow turbulence
-Reduced actuator size/cost by 30% when
compared to wedge gate
-Higher allowable seat velocity
-Improved sealing assisted by line pressure
-Low operating torque, seals on position
not torque
. Typical Applications
-Main Steam Isolation
-Boiler Feed Pump Isolation
-H.P. Feed Heater Isolation & By-Pass
-Blow Down Service
- Blow Off Service
-Gland Steam System Drains
-Steam Turbine Inlet Isolation
- Economizer Recirculation
- Spray Water
Technical data

Sizes : 5 24
ASME : B16.34 1996
Valve overall lengths to : ASME B16.10 1992
Pressure Class : 1000, 1690, 1715, 2260, 2500, 2850