Control Valves | USA VTON GROUP https://www.vton.us/product-category/valves/control-valves/ Fri, 13 Dec 2024 06:59:39 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 https://www.vton.us/wp-content/uploads/2024/12/cropped-6374eedc8e24da6f1d990b9a8727002-1-32x32.png Control Valves | USA VTON GROUP https://www.vton.us/product-category/valves/control-valves/ 32 32 Electric Three-Way Control Valve https://www.vton.us/product/electric-three-way-control-valve/ Fri, 13 Dec 2024 06:59:39 +0000 https://vton.lvee.pro/?post_type=product&p=6862 VTON electric three-way control valves are designed to handle complex flow mixing and diverting tasks. Equipped with VTRD electric actuators, they accept 0-10mA or 4-20mA DC signals, enabling precise regulation of temperature and flow in automation systems.

With robust materials and advanced guiding mechanisms, these valves deliver stable performance, high reliability, and seamless integration in heat exchange and industrial processes. Available in merging and diverting configurations to meet diverse operational needs.

Electric Three-Way Control Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Electric Three-Way Control Valve

The electric three-way control valve from VTON is engineered for applications requiring precise flow mixing or diverting. Designed with cylindrical thin-walled valve cores and guided by VTRD straight-stroke actuators, these valves achieve high-accuracy flow control for heat exchange and automation systems in industries like petroleum, chemical, and power generation.

Key Configurations:

  1. Merging Control Valve: Mixes two fluids into a single output, such as combining fluids of different temperatures to produce a uniform temperature.
  2. Diverting Control Valve: Divides a single fluid into two separate streams for different process requirements.

Technical Highlights:

  • Nominal diameter: DN25 to DN200
  • Nominal pressure: 1.0, 1.6, 4.0, 6.4 MPa
  • Temperature range: -60℃ to 450℃
  • Control signals: 0-10mA DC or 4-20mA DC

2. Features

  1. Stable Operation: The flow direction ensures “flow-open” conditions, enhancing stability.
  2. Enhanced Guiding: Both the valve cover bushing and the inner valve seat surface provide a large guiding area for reliable operation.
  3. High Precision: Equipped with dynamic negative feedback in the servo amplifier for improved adjustment accuracy.
  4. Versatile Operation: Supports 4-20mA DC or 0-10mA DC signals, with electronic valves enabling direct control without amplifiers.
  5. Cost-Effective: Simplifies systems by replacing two valves, reducing automation investment.
  6. Leakage Prevention: Bellows-sealed options ensure a complete seal, blocking fluid leakage.

3. Material Specifications

Component Material
Valve Body & Cover HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve Core & Seat 1Cr18Ni9Ti with Stellite alloy surfacing
Packing PTFE (Polytetrafluoroethylene)
Push Rod & Bushing 2Cr13

4. Technical Parameters Overview

Nominal Diameter (mm) Converging Flow 25 32 40 50 65 80 100 125 150 200 250 300
Diverging Flow 80 100 125 150 200 250 300
Rated Flow Coefficient (Kv) Converging Flow 8.5 13 21 34 52 85 135 210 340 535 800 1260
Diverging Flow 85 135 210 340 535 800 1260
Nominal Pressure (MPa) 1.6 4.0 6.0
Flow Characteristics straight line
Actuator Type II VTRD-310 VTRD-310 VTRD-410 VTRD-510 VTRD-510
Type III VTRD-510C VTRD-310C VTRD-410C VTRD-510C VTRD-510C
Output Thrust (N) 4000 4000 6400 16000 16000
Stroke (mm) 16 25 40 60 100
Upper Valve Cover Type 1.6 1.0 2.5 1.6 1.5 1.0 0.65 0.4 0.3 0.16 0.26 0.18
Allowable Pressure Difference (MPa) Standard Type (Room Temperature Type), Heat Sink Type (Medium Temperature Type)
Medium Temperature (℃) -40～230℃ (Room Temperature Type), Heat Sink Type 230～450℃ (Medium Temperature Type), Special Order -100～600℃
Adjustable Ratio 30:1 (This could refer to a ratio, such as a torque or force ratio, but without context, it’s a direct translation)
Input Resistance Type II: 200, Type III: 250 (These could be model numbers, power ratings, or other specifications)
Factory Condition Electric Open (with respect to the upper valve seat), if Electric Close is required, please specify when ordering

Electric Three-Way Control Valve最先出现在USA VTON GROUP。

]]> Electric Control Valve https://www.vton.us/product/electric-control-valve/ Fri, 13 Dec 2024 06:48:18 +0000 https://vton.lvee.pro/?post_type=product&p=6860 VTON electric control valves combine a VTRD series electric actuator with a straight-through single seat valve, powered by a single-phase AC 220V supply. These valves accept 0-10mA or 4-20mA DC signals to provide precise, automatic regulation of pressure, flow, and liquid levels in industrial pipelines.

With features like sensitive action, rapid signal transmission, and convenient energy access, these valves are widely used in industrial automation systems for power, metallurgy, chemical, and textile industries. Available in various configurations to meet diverse application needs.

Electric Control Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Electric Control Valve

The electric control valve from VTON integrates advanced electric actuators with durable valve bodies to achieve high-precision regulation of fluid parameters. These valves are powered by AC 220V and controlled using 4-20mA or 0-10mA signals, enabling seamless automation in industrial systems.

Key Features:

  • Sensitive and precise control for continuous adjustment of pressure, flow, and liquid levels.
  • Easy integration into automation systems with rapid response and reliable performance.
  • Suitable for various operating conditions, including high and low temperatures, with optional configurations.

2. Performance Indicators

Indicator Electric Pneumatic
Basic Error (%) ≤1.0 ±1.5
Backlash (%) ≤1.0 ≤1.5
Dead Zone (%) ≤1.0 ≤0.6
Starting/Ending Deviation (%) ±2.5 ±2.5
Rated Stroke Deviation (%) ≤2.5 ±2.5

3. Technical Parameters

  • Valve Body Type: Straight-through cast ball valve body
  • Valve Core Type: Unbalanced single-seat plunger valve core
  • Nominal Diameter: DN20~200 NPS 3/4〞~ 8〞
  • Nominal Pressure: PN16 ~ 100 / CLASS 150LB ~ 600LB
  • Connection Modes: Flange (FF, RF, MF, RTJ), Welding (SW, BW)
  • Flange Distance: IEC 60534 compliant
  • Valve Cover Types:
    • Standard: -5℃ to 230℃
    • Heat Sink: -45℃ to >230℃
    • Low Temperature Extended: -196℃ to -45℃
    • Bellows Sealed, Insulation Jacket

4. Material Options

Valve Body Material Nominal Pressure (MPa) Temperature Range (℃)
Cast Iron (HT200) 1.6 -20 to 200 (Normal) / -15 to 250 (Heat Sink)
Cast Steel (ZG230-450) 4.0, 6.4 -40 to 250 (Normal) / -40 to 450 (Heat Sink)
Cast Stainless Steel (ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti) 4.0, 6.4 -40 to 250 (Normal) / -60 to 450 (Heat Sink)

5. Additional Specifications

  • Packing: V-shaped PTFE, flexible graphite packing
  • Sealing Gasket: Metal clip graphite
  • Actuators: V3810L series intelligent actuators, PSL series actuators
  • Surface Finish: Green acrylic polyurethane enamel
  • Flow Characteristics: Equal percentage
  • Optional Features: Explosion-proof configurations (ExdⅡBT4)

Electric Control Valve最先出现在USA VTON GROUP。

]]> Explosion-Proof Electric Control Valve https://www.vton.us/product/explosion-proof-electric-control-valve/ Fri, 13 Dec 2024 06:33:45 +0000 https://vton.lvee.pro/?post_type=product&p=6857 VTON explosion-proof electric control valves are engineered for hazardous environments where safety is paramount. Equipped with advanced explosion-proof actuators, these valves offer high intelligence, compact design, exceptional durability, and stable performance. They are widely used in industries like power, petroleum, chemical, metallurgy, and environmental protection for precise regulation of pressure, flow, temperature, and liquid levels.

Built with top-guided control mechanisms and integrated with 3810 series actuators, VTON valves provide seamless operation without additional amplifiers. They support control signals (4-20mA or 1-5VDC) and single-phase power, ensuring smooth automation in various industrial applications.

Explosion-Proof Electric Control Valve最先出现在USA VTON GROUP。

]]> Explosion-Proof Electric Control Valve Overview

VTON’s explosion-proof electric control valves are specifically designed for industrial processes requiring safety from sparks and explosions. These valves utilize advanced explosion-proof actuators with built-in servo amplifiers, eliminating the need for external devices. The system supports input control signals (4-20mA or 1-5VDC) and single-phase power, enabling precise control over pressure, flow rate, temperature, and liquid levels.

The explosion-proof electric control valves feature a top-guided control mechanism and are equipped with 3810 series actuators for seamless operation. Their compact structure, exceptional durability, and high protection performance make them ideal for hazardous environments in industries such as power generation, oil and gas, chemical processing, metallurgy, and environmental protection.

Performance Indicators

Item Value
Basic Error (%) V3810L: ±2.5; PSL: ±1.0
Backlash (%) V3810L: ±2.0; PSL: ±1.0
Dead Zone (%) 1.0
Rated Stroke Error (%) ≤2.5
Leakage (L/h) 0.01% × Rated Valve Capacity
Adjustment Range (R) 30:1

Technical Parameters

Nominal Diameter (DN) 20 25 32 40 50 65 80 100 125 150 200 250 300
Valve Seat Diameter (dn) 20 25 32 40 50 65 80 100 125 150 200 250 300
Rated Flow Single Seat 6.9 11 17.6 27.5 44 69 110 176 275 440 630 875
Coefficient (KV) Single Seat 6.3 10 16 25 40 63 100 160 250 360 570 850
Double Seat 8 11 17.6 27.5 44 69 110 176 275 440 690 900
Allowable Pressure Difference (MPa) Single Seat 3.8 3.2 3 2 1.8 1.5 1.4 1 0.7 0.6 0.5 0.3
Double Seat 6.4 6.4 5.2 4.6 4.6 3.7 3.7 3.5 3.1 3.1 2.6 2.2
Nominal Pressure (MPa) ≤ Nominal Pressure 1.6, 2.5, 4.0, 6.4, 10.0
Rated Stroke (mm) 16 25 40 60 100
Valve Cover Type Standard (-17～+250℃), High Temperature (+250～+450℃), Low Temperature (-40～-196℃), Wave Tube Sealed Type (-40～+350℃)
Bonnet Type Bolted Bonnet
Sealing Material V-type Polytetrafluoroethylene (PTFE), V-type Flexible Graphite
Valve Type Single Seat, Double Seat
Flow Characteristic Linear, Equal Percentage
Actuator Type 3810 Series Electric Actuator (or Customer Specified Brand)
Power Supply 220V, 380V, Input Signal: 4-20mA or 1-5VDC, Output Signal: 4-20mA DC
Actuator Protection Level Equivalent to IP65, Explosion-proof Mark: ExdⅡBT4 (ExdⅡBT6 Special Order), Manual Function, Handle
Operating Temperature -25～+70℃, Humidity: ≤95%

Material Specifications

Part Name Material Options
Valve Body WCB(ZG25) CF8(304) CF8M(316) CF3M(316L)
Seat Sleeve 304 304 316 316L
Valve Core 304 304 316 316L
Guide Sleeve 304 304 316 316L
Valve Cover WCB(ZG25) CF8(304) CF8M(316) CF3M(316L)
Seal Packing PTFE, Flexible Graphite
Packing Gland 304 304 316 316L

Explosion-Proof Electric Control Valve最先出现在USA VTON GROUP。

]]> Pneumatic High-Pressure Control Valve https://www.vton.us/product/pneumatic-high-pressure-control-valve/ Fri, 13 Dec 2024 06:29:20 +0000 https://vton.lvee.pro/?post_type=product&p=6855 VTON pneumatic high-pressure control valves are built to withstand harsh conditions, including high pressure, cavitation, and erosion. Featuring a cage-type throttling system, these valves ensure reduced pressure drops, improved durability, and enhanced performance, especially in demanding applications like urea systems.

Equipped with advanced actuators and precise control mechanisms, these valves are perfect for managing flow, pressure, and temperature in industrial systems. Their robust design and high-quality materials make them suitable for viscous fluids and media containing particulates, ensuring reliable operation and reduced maintenance costs.

Pneumatic High-Pressure Control Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Pneumatic High-Pressure Control Valve

VTON’s pneumatic high-pressure control valves combine PSL or 3810L series actuators with high-pressure valve bodies to deliver unmatched performance in extreme conditions. These valves address challenges like short service life, stem fracture, and liner detachment through innovative cage-type throttling, which minimizes cavitation and erosion.

Key Features:

  • Cage-type throttling for distributed pressure drops, reducing wear and tear.
  • Integrated electric actuators with servo amplifiers for precise control using 4-20mA or 1-5V signals.
  • Suitable for high-viscosity fluids with suspended solids or particulates, preventing coking, bonding, and clogging.
  • Compact design with sensitive action, simple connections, and high flow capacity.

2. Technical Parameters

  • Nominal Diameter: DN20-DN300
  • Nominal Pressure: 1.6MPa-45MPa
  • Allowable Pressure Drop: ≤ Nominal Pressure
  • Flow Coefficient (Kv):
    • Single Seat: 6.9-1250
    • Cage: 6.3-1300
  • Applicable Media: Water, oils, gases
  • Environment Temperature: -25℃ to +70℃
  • Environment Humidity: ≤ 95%
  • Rated Stroke (mm): 16, 25, 40, 60, 100
  • Input Signal: 4-20mA or 1-5V DC
  • Output Signal: 4-20mA DC
  • Flow Characteristics: Equal Percentage
  • Explosion-Proof Mark: ExdⅡBT4 (ExdⅡBT6 optional)
  • Valve Core Type: Single Seat, Cage
  • Seal Packing: V-shaped PTFE, Graphite
  • Body Materials: Stainless Steel, Carbon Steel, Cast Iron
  • Voltage: 220V
  • Protective Level: IP65

3. Material Specifications

Component Material
Valve Body Stainless Steel, Carbon Steel
Valve Cage Stainless Steel
Valve Core Stainless Steel
Valve Stem Stainless Steel
Gaskets PTFE/Graphite Composite
Valve Cover Carbon Steel, Stainless Steel
Packing PTFE/Graphite
Packing Gland Stainless Steel, Carbon Steel
Bolts Stainless Steel

4. Performance Indicators

Item Value
Basic Error (%) ±2.5 (3810L), ±1.0 (PSL)
Backlash (%) ±2.0 (3810L), ±1.0 (PSL)
Dead Zone (%) 1.0
Leakage Rate (L/h) 0.01% × Valve Rated Capacity
Rated Stroke Deviation (%) ≤2.5
Adjustable Range (R) 30:1

Pneumatic High-Pressure Control Valve最先出现在USA VTON GROUP。

]]> Pneumatic Three-Way Control Valve https://www.vton.us/product/pneumatic-three-way-control-valve/ Fri, 13 Dec 2024 06:24:39 +0000 https://vton.lvee.pro/?post_type=product&p=6853 VTON pneumatic three-way control valves are engineered for precise control of fluid flow, offering both flow mixing and diversion capabilities. Powered by compressed air, these valves utilize multi-spring diaphragm actuators to regulate process parameters like flow, pressure, and temperature with high accuracy.

With robust construction and advanced flow characteristics, these valves are suitable for replacing two two-way valves in industrial systems. Widely used in chemical, petroleum, and metallurgical industries, they operate efficiently under various temperature and pressure conditions.

Pneumatic Three-Way Control Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Pneumatic Three-Way Control Valve

Pneumatic three-way control valves are designed for fluid flow regulation, either combining two fluids into one or dividing one fluid into two. Featuring a multi-spring pneumatic diaphragm actuator and a cylindrical thin-walled valve core, these valves ensure sensitive action and precise flow characteristics. Suitable for industrial automation, they handle signals of 0-10mA DC or 4-20mA DC from control systems for efficient regulation.

Key Applications:

  • Chemical processing
  • Petroleum refining
  • Metallurgy and power stations
  • Paper and textile industries
  • Pharmaceutical manufacturing

2. Material Specifications

Component Material
Valve Body & Cover HT200, ZG230-450, ZG1Cr18Ni9Ti
Valve Core, Seat & Stem 1Cr18Ni9
Seal Gasket Rubber asbestos board, stainless steel spiral gasket
Packing PTFE (Polytetrafluoroethylene)
Upper & Lower Diaphragm Covers A3 steel plate
Diaphragm 35CrMoA, A3
Support & Top Plate HT200
Compression Spring 60Si2Mn
Woven Film 5806 adhesive with 480D nylon mesh fabric

3. Technical Parameters

  • Nominal Diameter: DN20-400
  • Nominal Pressure: 0.6-6.4MPa
  • Body Type: Straight-through single-seat cast ball valve
  • Media Temperature:
    • Standard: -40℃ to 230℃
    • Finned type: 230℃ to 450℃
    • Special order: -100℃ to 600℃
  • Flow Coefficient (Kv):
    • Mixing: 8.5-1260
    • Diverting: 25-1260
  • Connection Types: Flange, welded, threaded
  • Applicable Media: Water, oils, gases
  • Adjustable Ratio (R): 50:1

4. Actuator Technical Parameters

Model Effective Area (cm²) Stroke (mm) Spring Range (kPa)
VPA(B)-3 400 16.25 20-100
VPA(B)-4 630 25 40-200
VPA(B)-5 1000 40 20-60
VPA(B)-6 1600 60 60-100, 80-240

Pneumatic Three-Way Control Valve最先出现在USA VTON GROUP。

]]> Pneumatic Single Seat Control Valve https://www.vton.us/product/pneumatic-single-seat-control-valve/ Fri, 13 Dec 2024 04:03:35 +0000 https://vton.lvee.pro/?post_type=product&p=6850 VTON pneumatic single seat control valves combine a multi-spring diaphragm actuator with a low flow resistance valve body to deliver precise control of flow, pressure, and temperature. Using compressed air as the power source, these valves integrate with automation systems via 4-20mA or 0-10V control signals for seamless operation in industrial processes.

Featuring a compact design and smooth flow channels, these valves are ideal for applications requiring low leakage, low pressure differences, and medium viscosity. Widely used in power, metallurgy, chemical, petroleum, and environmental protection industries, they are available in standard, regulating cut-off, bellows-sealed, and jacketed insulation types.

Pneumatic Single Seat Control Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Pneumatic Single Seat Control Valve

The pneumatic single seat control valve from VTON is a versatile and reliable solution for regulating pipeline parameters such as flow rate, pressure, and temperature. Powered by compressed air and equipped with accessories like valve positioners and solenoid valves, it delivers both switch and proportional control. Compact and lightweight, it ensures efficient operation even in demanding industrial environments.

Key Applications:

  • Power generation
  • Metallurgy and chemical processing
  • Oil refining and environmental protection
  • Industrial automation and equipment manufacturing

2. Material Specifications

Component Temperature Range (℃) Material
Valve Body & Cover -250 to 550 HT200, ZG230-450, ZG1Cr18Ni9Ti, ZG0Cr18Ni12Mo2Ti
Valve Core & Seat -250 to 550 1Cr18Ni9, 0Cr18Ni12Mo2Ti
Packing -250 to 550 PTFE (Polytetrafluoroethylene)
Diaphragm – Nitrile rubber with reinforced polyester fabric
Compression Spring – 60Si2Mn
Diaphragm Housing – A3

3. Technical Parameters

  • Nominal Diameter: DN20-DN400
  • Nominal Pressure: 0.6MPa-6.4MPa
  • Valve Type: Straight-through single seat cast ball valve
  • Connection Type: Flange, threaded, welded
  • Flow Coefficient (Kv): 8-1800
  • Media Temperature:
    • Standard: -40℃ to 230℃
    • Finned type: 230℃ to 450℃
    • Special order: -100℃ to 600℃
  • Applicable Media: Water, oils, gases
  • Adjustable Ratio (R): 50:1
  • Flow Characteristics: Quick-opening, linear, equal percentage
  • Material:
    • Body: Carbon steel
    • Trim: 1Cr18Ni9, 0Cr18Ni12Mo2Ti, CF8, CF8M

4. Features

  1. High Precision: Designed for accurate control of flow, pressure, and temperature in industrial processes.
  2. Compact Design: Lightweight and easy to install, with a streamlined valve body for high flow efficiency.
  3. Versatility: Available in various configurations including standard, regulating cut-off, and bellows-sealed types.
  4. Wide Temperature Range: Operates reliably from -100℃ to 600℃ with optional materials and designs.
  5. Durability: Constructed with robust materials like carbon steel and stainless steel to withstand demanding conditions.

Pneumatic Single Seat Control Valve最先出现在USA VTON GROUP。

]]> Nitrogen Sealing Valve https://www.vton.us/product/nitrogen-sealing-valve/ Fri, 13 Dec 2024 04:00:21 +0000 https://vton.lvee.pro/?post_type=product&p=6848 VTON nitrogen sealing valves are designed to regulate and stabilize nitrogen pressure in storage tank systems. These self-operated valves utilize downstream pressure as a power source, offering precise control without requiring external energy sources like electricity or compressed air.

Featuring advanced diaphragm technology and high sensitivity, these valves achieve control accuracy up to 0.0001MPa, making them ideal for micro pressure applications. Crafted with robust materials, they deliver reliable performance in industries such as oil, gas, and chemical storage.

Nitrogen Sealing Valve最先出现在USA VTON GROUP。

]]> 1. Overview of Nitrogen Sealing Valve

Nitrogen sealing valves, also known as self-operated nitrogen sealing device regulating valves, are used to maintain precise and constant pressure in storage tanks. They operate by introducing downstream pressure to the controller diaphragm, which adjusts the valve opening to regulate flow and pressure. These valves are particularly suited for applications requiring micro pressure control.

Key Applications:

  • Nitrogen sealing systems for storage tanks
  • Micro pressure regulation in oil, gas, and chemical storage systems
  • Industries requiring high precision and energy efficiency

2. Features

  1. Operates without external power, ensuring cost savings and energy efficiency.
  2. Convenient pressure settings for nitrogen supply and relief, adjustable during continuous operation.
  3. Large effective diaphragm area and low spring stiffness ensure high sensitivity and balanced operation.
  4. No packing design minimizes friction, offering fast response and high control accuracy.
  5. Uses a controller for pressure reduction with a ratio of up to 100:1, ensuring superior control precision.
  6. Safety ensured with breathing valves to prevent frequent opening and damage in conventional nitrogen sealing systems.

3. Technical Parameters

  • Nominal Diameter: DN20-150
  • Flow Coefficient (Kv): 3.2-400
  • Nominal Pressure: 1.0-1.6MPa
  • Pressure Adjustment Range (MPa): 0.1-0.5, 0.5-70, 20-120, 60-400, 300-700, 500-1000
  • Media Temperature: ≤200℃
  • Flow Characteristics: Quick opening
  • Applicable Media: Water, oils, gases
  • Regulation Accuracy: ≤5%
  • Allowable Pressure Drop (MPa): 1.6
  • Diaphragm Effective Area (cm²): 400

4. Material Specifications

  • Valve Body Material: Stainless steel, carbon steel, alloy steel
  • Seal Leakage: Meets ANSI B16.104-1976 IV level
  • Valve Cover Type: Standard (integral type)
  • Packing Type: V-shaped PTFE, impregnated PTFE asbestos, asbestos textile, graphite
  • Valve Stem Material: Stainless steel
  • Valve Core Type: Single-seat valve core

Nitrogen Sealing Valve最先出现在USA VTON GROUP。

]]> Self-Operated Pressure Regulating Valves https://www.vton.us/product/self-operated-pressure-regulating-valves/ Fri, 13 Dec 2024 03:57:29 +0000 https://vton.lvee.pro/?post_type=product&p=6846 VTON self-operated pressure regulating valves offer energy-efficient, automatic control of pressure, flow, and temperature without the need for external power or instruments. Designed to utilize the medium's own pressure or temperature, these valves ensure reliable and maintenance-free operation in various industrial environments.

Crafted for non-corrosive and low-viscosity media, such as water, steam, air, and light oils, these valves handle temperatures up to 350℃ and pressures ranging from 0.6MPa to 6.4MPa. Their simple installation and low operating costs make them ideal for industries prioritizing energy savings and operational efficiency.

Self-Operated Pressure Regulating Valves最先出现在USA VTON GROUP。

]]> 1. Overview of Self-Operated Pressure Regulating Valve

Self-operated pressure regulating valves, also known as self-operated control valves or spring-loaded regulating valves, operate using the medium’s own pressure, pressure difference, or temperature as the energy source. These valves automatically adjust pressure, flow, or temperature without requiring external power or secondary instruments.

Key Features:

  1. Energy-efficient and eco-friendly, requiring no external power supply.
  2. Separate sealing for signal and drive components, eliminating leaks caused by internal part wear.
  3. Combines signal detection, amplification, feedback, control, and execution within a single unit, ensuring reliability with simple yet effective design.
  4. Easy installation, low cost, and suitable for environments with high pipe density or humidity where other systems may require electricity or compressed air.

2. Technical Parameters

  • Size Range: DN15-500mm
  • Pressure Range: 0.6MPa-6.4MPa
  • Temperature Range: -40℃ to 350℃
  • Applicable Media: Water, oil, steam, gas

Self-Operated Pressure Regulating Valves最先出现在USA VTON GROUP。

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