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SQD205 Guide Angle Single-seat Regulating Valve
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Product classification
Key words:
Product Details
SQD205
Guide angle single-seat regulating valve
Electric Linear Stroke Regulating Valve
Product overview
SQD205 type electric angle single seat control valve is a top guide structure of the control valve, the body structure is compact, smooth flow path, small pressure drop loss, large flow. The valve core has a large guiding area, good shock resistance, and the valve seat closing performance conforms to GB/T4213-92. The regulating valve is equipped with a small, firm and high-precision execution structure that accepts ON-OFF or 4-20mADC or 1-5V DC signals for proportional action. The valve is widely used to control high-viscosity media, fluid containing particles, mud, flash fluid, etc. Can avoid coking, blockage, so that self-cleaning in cleaning. PN220,PN320 nominal pressure angle high pressure regulating valve designed for easy to produce cavitation high pressure system design of a special valve.
Standard technical parameters
Valve body
Type: single angle casting valve (forging)
Valve size: DN20 ~ 200mm 3/4 "~ 8"
Rated pressure: PN16, PN40, PN63, PN100
ANSI 150 300 600 900 1500
Connection form: ANSI GB JB HG JPI JIS DIN
Welding (to be specified by user)
Flange standard: ANSI GB JB HG JPI JIS DIN
Sealing surface type: RF RJ FF RM flange connection
Flange end face distance: as GB12221-89
Material: NCB WC6 WC9 CF3 CF8 CF3M CF8M
Inner parts material: 304 316 304L 316L 17-4PH
Type of gland: pressing plate type
Filler: V-type PTFE filler, flexible graphite filler
Gasket: type, toothed and flat
Material, F4W modified F4, stainless steel graphite
Intra-Valve Components
Spool: single seat plunger type spool
Metal seal
Equal percentage characteristics (%C)
Linear characteristics (LC)
implementing agency
Type: electric actuator
381lsa/xa-08, 381lsa/XA-20, 381lsb/XB-30, 381lsb/xb-50,
381LSC-65，381LSC-99，381LSC-160
Valve role: positive role, reaction
Control action: proportional control or ON-OFF control
Input signal: 4-20mADC or 5VDC must select the position of the regulating valve when the input signal is "off" (hold position, full open, full close)
Power supply: AC220V,50Hz
Output signal: 4-20mADC (load resistance below 5002)
Power Consumption: Type A/50VA, Type B/150VA, Type C/220VA
Protection level: 1P55
Outlet connection: ordinary S type G1/2, explosion-proof X type G3/4
Ambient temperature: no space heater -10 ℃ ~ 60 ℃
With space heater -35 ℃ ~ 60 ℃
Explosion-proof X-type -10 ℃ ~ 40 ℃
Environmental humidity: ordinary S type below 95%, explosion-proof X type 45 ~ 85%
Flameproof grade: ExdIIBT4
over-cutting protection: type a and type B are optional, type c must be matched
Manual device: with handle
Accessories (configured as required)
Space heater, over-load protection
Performance
Rated KV value: refer to Table 1
Adjustable range: 50:1
Seat leakage rate (% for rated K value)
Metal seal less than 0.01%(ANSI B16.104-1976IV grade) and less than 0.001%(is an option)
Basic error: ± 1%
Return difference: ≤ 1%
Dead band: ≤ 1%
Action time: refer to Table 1
Overall dimension: refer to Table 2
Product weight: refer to Table 2
Terminal diagram: refer to the instruction manual of the equipped actuator.
Paint amount: the surface of the electric actuator and valve of the regulating valve shall be painted, and the stainless steel and copper valves may not be painted.
The arrow and text on the valve body are painted red.
User-specified colors are also available.
Note:
1. The weight in the table is the data of PSL type actuator.
2. The valve body flange and flange end face distance can be manufactured according to user-specified standards, such as ANSI,JIS,DIN and other standards.
The Regulating Valve is a critical component in industrial fluid control systems, designed to manage flow, pressure, and temperature with high precision. Among the advanced options available, the SQD205 Guide Angle Single-Seat Regulating Valve stands out for its robust performance in challenging environments. This Regulating Valve features a top-guided structure, ensuring stability and resistance to vibration, while its streamlined flow path minimizes pressure loss.
The Electric Linear Stroke Regulating Valve variant integrates seamlessly with automation systems, accepting 4-20mA or ON-OFF signals for proportional control. Ideal for high-viscosity fluids, slurries, or flash-prone media, this Regulating Valve prevents clogging and supports self-cleaning. Its high-pressure design (up to PN320) makes it suitable for cavitation-prone systems, ensuring reliability under extreme conditions.
Key technical specifications of this Regulating Valve include a 50:1 adjustable range, ANSI/GB flange standards, and optional metal seals for leak rates below 0.001%. The SQD205 model supports electric actuators like the 381LSA/XA series, offering precise linear or equal percentage flow characteristics.
Whether in chemical, power, or oil/gas industries, the Regulating Valve delivers unmatched accuracy, with ≤1% error and dead band. Its durable construction, available in materials like WC9 or CF8M, ensures longevity. For industries demanding precision, the SQD205 Regulating Valve is the ultimate solution.
By combining advanced engineering with rugged design, this Regulating Valve sets the benchmark for fluid control efficiency. Choose the SQD205 for unmatched performance in even the harshest conditions.
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