KSB ECOLINE FYC, Operating Manual

Page: 79 / 100

4 Valve Description
79 of 100
4.8.2 ECOLINE FYF 800
4.8.2.1 Operating data
Table 99: Operating properties
Characteristic Value
Nominal pressure Class 800
Nominal size NPS ½'' - 2''
Max. permissible pressure 141 bar / 2000 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 4.8.2.4, Page 80)
4.8.2.2 Fluids handled
▪ Steam
▪ Fluids containing gas
▪
Gas
▪ High-temperature hot water
▪ Fluids containing mineral oils
▪ Oil
▪
Feed water
4.8.2.3 Design details
Design
▪ Strainer to ASME B16.34
▪
Tested to API 598
▪ Y-pattern strainer
▪ Body made of forged steel
▪ Bolted cover
▪
Reduced bore
▪
Fully confined cover gasket
▪ Cylindrical screen made of stainless steel
▪ Cover equipped with screw plug
▪ 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.
Variants
▪ PTFE gasket
▪
Other mesh widths on request
▪ Other screen materials
▪ NACE standard