• Model NO.: dn20-dn200
  • Connection Form: Flange
  • Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
  • Flow Direction: Reversing
  • Application: Industrial Usage, Water Industrial Usage, Household Usage
  • Nominal Pressure: ANSI150, 300, 600lb; JIS10, 16, 20, 30,
  • Thread: DIN, NPT, RC, Bsp, G etc
  • Transport Package: Seaworthy Packing
  • Origin: Tianjin, China
  • Material: Cast Steel
  • Structure: Butterfly
  • Sealing Form: Gland Packings Globe Valve
  • Standard: ANSI
  • Type: Single Seat, Double Seat, Sleeve
  • Connection: Flange: FF, RF, Rj and LG, Flanged Standard
  • Trademark: GHL
  • Specification: dn20-dn200
  • HS Code: 8481804090
Flow control valve 
Valve body
Type: Single seat, double seat, sleeve
Nominal diameter: DN20-DN200
Nominal pressure: ANSI150, 300, 600LB; JIS10, 16, 20, 30,
40K; PN1.6, 2.5, 4.0, 6.4MPa
Connection: Flange: FF, RF, RJ and LG, Flanged standard
ANSI B16.5, JIS B2201, JB/T79.1 PN1.6MPa, JB/T79.2
Thread: DIN, NPT, RC, BSP, G etc
Welding: GB12224-89
Sealing surface: PN16 convex surface, PN40, PN63, PN100
concave surface
Material: WCB, 304, 316, 316L
Bonnet: Standard type (-20ºC ~+200ºC )
Low temperature type (-60ºC ~-196ºC )
Cooling type (-40~450ºC )
Bellows seal type
Gland type: press plate
Packing: V type PTFE, fl exible graphite
Valve components
Core type: single seat plunger type, double seat, sleeve
Core seat: 304, 316, 316+ SLT
Flow characteristics: Equal percentage, linear, quick-opening
Actuator
Type: Electric actuator
Action type: Direct action, reserve action
Control type: Proportional or switch type
Input signal: 4-20mA, 0-10V, 1-5V, ON-OFF
Output signal:4-20mA or passive contact signal
Power: AC220V, AC380V, DC24V, etc
Explosion-proof class: ExdIIBT4, ExdIICT6 or others (Optional)
Manual device: with handle
Accessories (Configured according to requirements)
heater, overload protection
Performance
Rated KV value: Reference table
Flow characteristics: Linear, equal percentage, quick opening
Adjustable range: 50:1
Leakage class
Metal seal: Less than 0.01 (ANSI B16.104-1976IV)
Soft seal: Less than 0.00001%
Hysteresis: ≤ 1%
Dead zone: ≤ 1%
Basic error: ± 1%
Items ADF-2F ADF-20F
Applicable pressure Max. 10 kgf/ cm2g Max. 20 kgf/ cm2g
Applicable fluid Hot & Cold Water
Flow temperature Max. 170C
Structure DIAPHRAGM
  Differential pressure adjustment range    0.1-1.5, 0.5-2, 1.5-5 kgf/ cm2
Flow adjustment range 3.3-100% of rated flow
End connection    ANSI 150Lb/JIS 10K RF FLANGE       ANSI 300Lb/JIS 20K RF FLANGE   
Materials Body Cast iron Cast steel
Disc/Seat Stainless steel, Cast bronze
Diaphragm EPDM
Hydraulic Test Pressure   15 kgf/ cm2 g     30 kgf/ cm2 g  
 


Flow Control Valve
 

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