- 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 valveÂ
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%
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 | Â Â ANSI 150Lb/JIS 10K RF FLANGE Â Â | Â Â ANSI 300Lb/JIS 20K RF FLANGE Â Â | |
| 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   |
|
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