KSB ECOLINE FYC, Operating Manual

Page: 43 / 100

4 Valve Description
43 of 100
4.5.2 ECOLINE GTF 150-600
4.5.2.1 Operating data
Table 41: Operating properties
Characteristic Value
Nominal pressure Class 150 - 600
Nominal size NPS ½'' - 2''
Max. permissible pressure 104 bar / 1480 PSI
Min. permissible temperature 0 °C / 32 °F
Max. permissible temperature 816 °C / 1500 °F
Temperatures < 0 °C on request
Selection as per pressure/temperature ratings
(
ð
Section 4.5.2.4, Page 44)
4.5.2.2 Fluids handled
▪ Steam
▪ Fluids containing gas
▪
Gas
▪ High-temperature hot water
▪ Feed water
4.5.2.3 Design details
Design
▪ Gate valve to API 602
▪ Tested to API 598
▪ Body made of forged steel
▪
Bolted bonnet
▪ Outside screw
▪ Outside yoke
▪ Non-rotating stem
▪
Stem sealed by gland packing
▪
Non-rising handwheel
▪ Reduced bore
▪ Two-piece self-aligning gland follower
▪ Graphite gland packing
▪
Stem with burnished shank
▪ Fully confined bonnet gasket
▪ Back seat
▪ Solid wedge
▪
The valves satisfy the safety requirements of Annex I of the European Pressure
Equipment Directive 97/23/EC (PED) for fluids in Groups 1 and 2.
▪ The valves do not have a potential internal source of ignition and can be used in
potentially explosive atmospheres, Group II, category 2 (zones 1+21) and
category 3 (zones 2+22) to ATEX 2014/34/EU.