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General Information
The TGDLP electric precision small single-seat control valve adopts the 3610L (PSL) series electronic electric actuator. It has an integrated structure with a built-in electronic controller module, eliminating the need for a separate servo amplifier. The regulating mechanism uses a new type of low-flow resistance single-seat valve. It has a compact structure, smooth flow passage, precise adjustable flow characteristics, and minimal seat leakage.
Single-seat control valves are widely used in industries such as petroleum, chemical, metallurgy, and power plants to control gases, liquids, steam, and other media, suitable for applications with strict leakage requirements. When dealing with high differential pressure and large diameters, it should be used in conjunction with a positioner.
Valve body
Type: straight single-seat cast ball valve
Nominal diameter: 25/32/40/50/65/80/100/150/200/250/300mm
Nominal pressure: PN1.6, 4.0, 6.4MPa
Flange standard: GB/T9112~9124~2000
Material: cast iron (HT200), cast steel (ZG230~450), cast stainless steel (ZG1Cr18Ni9Ti, ZG1Cr18Ni12Mo2Ti), etc.
Gland type: bolt clamping type
Packing: V-type PTFE packing, including PTFE impregnated asbestos packing, graphite packing
Actuator
Type: 3610L series electronic electric actuator (can be equipped with German PSL, domestic DKZ, SL and other actuators)
Input signal: 4-20mA DC or 1-5V (input resistance 250Ω)
Power supply voltage: 220V 50/60HZ
Manual mechanism: clutch type
Valve action type
Point closing type or electric opening type
Valve components
Valve core type: single-seat plunger valve core
Flow characteristics: equal percentage characteristics and linear characteristics
Material: stainless steel (), stainless steel cladding Stellite alloy, titanium and corrosion-resistant alloy, etc.
Performance
Basic error: ±1.0%
Hysteresis: 1.0%
Dead zone: 1.0%
Leakage: 1*10 (4) valve rated capacity
Rated flow coefficient: ±10%
Inherent flow characteristics: slope ±30%
Adjustable range
50:1
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