4 Valve Description
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4.7.4 ECOLINE SCV 150-300
4.7.4.1 Operating data
Table 87: Operating properties
Characteristic
Value
Nominal pressure
Class 150 - 300
Nominal size
NPS 2'' - 12''
Max. permissible pressure
50 bar / 720 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 4.7.4.4, Page 75)
4.7.4.2 Fluids handled
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Steam
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Gas
▪
Fluids containing gas
▪
High-temperature hot water
▪
Volatile fluids
▪
Oil
▪
Feed water
4.7.4.3 Design details
Design
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Swing check valve to ASME B16.34
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Tested to API 598
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Compact design to API 603
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Valve made of corrosion-resistant materials
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Body made of stainless steel
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Bolted cover
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Stainless steel/graphite gaskets
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Fully confined cover gasket
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Internally mounted hinge pin
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Integrated seat ring
▪
Minimum wall thickness as per ASME B16.34
▪
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.
Summary of Contents for ECOLINE FYC
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