Yamatake ACTIVAL VY51XXJ, Instructions Manual

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3 AB-6464
Specifcations
Valve
Item Specification
Model Two-way valve with flanged connection
Body pressure rating JIS 10K (Max. pressure: 0.98 MPa)
Nominal size (in inch) Cv
Maximum pressure drop
(close-off ratings)
DN15 (1/2) 1.0 980 kPa
DN15 (1/2) 2.5 980 kPa
DN15 (1/2) 6.0 980 kPa
DN15 (1/2) 1.6 [for steam valve] 980 kPa
DN15 (1/2) 4.0 [for steam valve] 980 kPa
DN25 (1) 10 980 kPa
DN25 (1) 16 980 kPa
DN40 (1
1
/
2
) 25 980 kPa
DN40 (1
1
/
2
) 40 980 kPa
DN50 (2) 65 980 kPa
DN65 (2
1
/
2
) 95 980 kPa
Size, Cv
Max. pressure drop
DN80 (3) 125 686 kPa
Materials Body: Gray cast iron (JIS FC200) for flat face (FF) type
Stainless steel (JIS SCS13A) for large raised face (RF) type
Plug and stem: Stainless steel (equivalent to JIS SCS)
Seat ring:
Heat-resistant PTFE
Gland packing: Inorganic fiber
Gasket: Non-asbestos
joint sheet
Piping connection JIS 10K flanged connection: Flat face (FF)
Large raised face (RF)
Allowable fluid temperature 0
°
C to 175
°
C
Flow Characteristics Equal percentage
Rangeability 50 : 1
Seat leakage 0.01 % or less of rated Cv value (0.0006 Cv or less for DN15 model)
Paint Body of FF type (JIS FC200): Gray
Body of RF type (JIS SCS13A): Unpainted
Applicable fluid Chilled/hot water, hot water (in high temperature), or steam
Installation orientation Installable in any position ranging from upright (with the mounted actuator vertically above the
valve) to sideways
Actuator to be combined Integrated with the valve