Standard Technical Parameters

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 (-20℃~+200℃)
Low temperature type (-60℃~-196℃)
Cooling type (-40~450℃)
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%

Flow Characteristic Curve

Parameter

Dimension