VV-IIB-FC-80,100,125,150,200&250 (Type Group IIB)
Piping System Components
Vacuum Relief Valves
NIIKURA KOGYO CO., LTD. FUJIGOTENBA FACTORY, Gotenba, Japan
Gotenba, Japan
VV-IIB-FC-80,100,125,150,200&250 (Type Group IIB)
Product Description
Materials: Body A01: FC200, Cover A02: FC200, Valve A03: SUS316, Seat A04: SCS14, , Connection Flange: JIS B 2220 5K-FF, , With Operation Indicator
Product Ratings
Setting Pressure: -3.5 kPa and -7 kPa ( 0, -10%) | | Maximum Gas Leakage Rate (expressed as the volume in standard air that may leak from the valve at 75% of the nominal setting): | VV-IIB-FC-80 : 0.033 L/min | VV-IIB-FC-100 : 0.036 L/min | VV-IIB-FC-125 : 0.044 L/min | VV-IIB-FC-150 : 0.048 L/min | VV-IIB-FC-200 : 0.052 L/min | VV-IIB-FC-250 : 0.058 L/min | | Allowable Atmospheric Temperature: | Maximum: 80 degrees C | Minimum: 0 degrees C | | Maximum Outside Layer Ice Thickness: 0 mm
Applicable Standards
Reg. II-2/4.5.3.3 of SOLAS (Consolidated Edition 2014), as amended
MSC/Circ. 677 (30 December 1994), MSC/Circ. 1009 (8 June 2001), MSC/Circ.1324 (10 June 2009) (Group IIB) and ISO 15364:2016
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