Original and Brand New Rotork Ytc3300 Valve Positioner with Hart Protocol

• Customization: Available
• Input Signal: 4-20 Ma
• Customized: OEM
• Model NO.: YTC3300
• Enclosure Rating: IP66/IP67
• Housing Material: Aluminum, Stainless Steel
• Certifications: ATEX, Iecex, FM
• Input Impedance: 250 Ω
• Supply Pressure Range: 1.4-7 Bar
• Air Consumption: ≤0.1 Nm³/H
• Operating Temperature: -40°c to +85°c
• Response Time: <1 Second
• Voltage Drop: Max. 10 V at 20 Ma
• Positioning Accuracy: ±0.5% of Span
• Repeatability: ±0.1% of Span
• Power Consumption: 3.5-22 Ma
• Storage Temperature: -50°c to +100°c
• Transport Package: with Carton Package
• Specification: 30X30X30 cm
• Trademark: Rotork
• Origin: UK
• HS Code: 9032810000
• Production Capacity: 50000
• Package Size: 30.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 12.000kg

Product Description

Product Description

Rotork YTC3300 Smart Valve Positioner

Precision Control for Industrial Valve Automation
1. Overview
The Rotork YTC3300 series is a microprocessor-based intelligent valve positioner designed to optimize valve control accuracy and reliability in demanding industrial environments. As part of Rotork's YT product line, it converts 4-20mA control signals from distributed control systems (DCS) or programmable logic controllers (PLC) into precise pneumatic output to regulate valve positions. With certifications including ATEX, IECEx, and SIL, it meets global standards for hazardous area applications such as oil refineries, chemical plants, and power generation facilities
Key industries served:
Oil & Gas: Pipeline flow control, tank farm management
Chemical Processing: Corrosive media regulation
Power Generation: Steam valve control, boiler feedwater systems
Water Treatment: Flow modulation in purification systems

Detailed Photos

 

2. Key Features
2.1 Advanced Control Capabilities
Auto-Calibration: Automatically detects valve travel range and adjusts control parameters via its self-tuning algorithm, reducing setup time by 70% compared to conventional positioners 
PID Control: Onboard proportional-integral-derivative algorithm enables real-time adjustments to minimize overshoot and enhance stability. Users can manually tweak PID values via front-panel buttons .
HART Communication: Supports bidirectional data exchange for remote diagnostics, parameter configuration, and performance monitoring (optional module) .
Flow Characteristic Customization: Allows linear, quick-opening, equal-percentage, or user-defined flow curves (up to 16 custom points) to match process requirements .
2.2 Robust Design
Nozzle-Flapper Mechanism: Resists dust, moisture, and oil contamination, ensuring reliability in harsh environments .
IP66 Protection: Sealed enclosure prevents ingress of water and particulates .
Corrosion Resistance: Epoxy-polyester coating protects against chemical corrosion in aggressive atmospheres .
Wide Voltage Compatibility: Operates at low voltages (8.5V-30V DC), reducing compatibility issues with legacy control systems .
2.3 User-Centric Interface
LCD Display: Real-time visualization of valve position (0-100%), alarm status, and diagnostic data .
Manual Override: Local adjustment of valve position via buttons for maintenance or emergency scenarios 
Split-Range Control: Configurable for 4-12mA and 12-20mA split signals to accommodate multi-valve systems .
3. Technical Specifications

Parameter	Details
Input Signal	4-20mA DC (2-wire), HART 7/FF-PA protocols (optional)
Output Pressure	0.2-1.0 bar (standard); customizable for high-pressure actuators
Air Consumption	<0.01 Nm³/h (at steady state), reducing energy costs in large-scale plants
Travel Range	10-100 mm (linear actuators); 0-90° (rotary actuators)
Response Time	<3 seconds for 90% stroke adjustment
Operating Temperature	-40°C to +85°C (wider range with optional heaters)
Explosion Protection	ATEX/IECEx: Ex ia IIC T5/T6 Gb; FM: Class I Div 1/2 ABCD T5
Certifications	ATEX, IECEx, FM,, NEPSI, SIL 2, CE, UKEX

4. Working Principle
The YTC3300 employs a closed-loop feedback system:
Signal Input: Receives 4-20mA control signal from DCS/PLC.
Position Detection: A non-contact Hall-effect sensor or mechanical feedback lever monitors valve stem position, converting it into a digital signal .
Error Calculation: The microprocessor compares the input signal with the actual valve position.
Pneumatic Output: Adjusts output pressure via piezoelectric valves:
Increasing Pressure: Opens the supply valve (V-1) to drive the actuator.
Decreasing Pressure: Opens the exhaust valve (V-2) to release air .
Stabilization: Continues adjustments until the valve reaches the target position with ±0.5% accuracy 
5. Installation & Commissioning
5.1 Pre-Installation Checks
Verify compatibility with valve type (linear/rotary) and actuator (spring-return or double-acting).
Confirm air supply quality: filtered, dry air at 1.4-7 bar 
5.2 Mounting Guidelines
Orientation: Install vertically or horizontally, avoiding positions where condensation could accumulate 
Bracket Assembly: Use standardized brackets (e.g., NAMUR or fork-type) for seamless integration .
5.3 Calibration Steps
Zero Adjustment: Input 4mA signal; rotate the zero knob until the pressure gauge reads ~0.5 bar .
Span Adjustment: Input 20mA signal; adjust the span knob to align the feedback lever with the 90° mark .
Flow Curve Configuration: Define linear/equal-percentage characteristics via the HART communicator or front-panel interface .
6. Maintenance & Diagnostics
6.1 Routine Practices
Monthly Inspections: Clean air filters, check for air leaks, and validate LCD display readings 
Annual Overhaul: Recalibrate sensors and replace O-rings to prevent aging-related failures .
6.2 Self-Diagnostic Functions
Alarm Codes: Detects issues like signal loss ("Err1"), sensor malfunction ("Err3"), or pneumatic blockage ("Err7") .
HART Diagnostics: Retrieves historical data on valve hysteresis, response time, and cycle counts for predictive maintenance .
6.3 Troubleshooting

Symptom	Solution
Valve Oscillates	Reduce PID gain; check for mechanical binding in the actuator
No Response to Signal	Verify wiring integrity; test HART communicator for signal output
Air Leakage	Tighten fittings; replace damaged diaphragm or seals

7. Certifications & Compliance
Functional Safety: SIL 2 certification (IEC 61508) for critical applications .
Explosion Protection: Compliant with ATEX 2014/34/EU, IECEx, and FM Class I/II/III standards .
Environmental Resistance: IP66 rating validated by KOLAS certification .
8. Product Variants & Accessories
Model Suffixes:
YT-3300R: Standard rotary valve configuration.
YT-3300L: Linear actuator compatibility.
YT-3300LS: Intrinsically safe version for Zone 0/1 hazardous areas .
Optional Modules:
Valve Position Transmitter (VPT): Provides 4-20mA feedback for closed-loop systems.
HART/FF-PA Module: Enables digital communication with asset management software .
9. Advantages Over Competitors
Energy Efficiency: 40% lower air consumption than diaphragm-based positioners .
Interoperability: Compatible with all major DCS platforms via Device Type Manager (DTM) files .
Lifecycle Cost: 5-year mean time between failures (MTBF), reducing replacement frequency by 30%

Company Profile

KeRui (weifang) Automation Equipment Co., Ltd.specializes in industrial automation instrument development, production and sales, technical services, and supportingequipment supply of specialized companies. The main products are flow meters, level meters, temperature meters,pressure meters, electrical meters, thermal intelligent meters, programmable controllers (PLC)DCS distributed control systems,and eight series of more than 1,000 specifications. Its products and technologies are widely used in electric power, metallurgy, petrochemicals, environmental protection, plastics, food, printing, tobacco,textile, dyeing, and other felds.

Display of company strength

KeRui (Weifang) Automation Equipment Co., Ltd. has maintained a cooperative relationship with Rosemount for 15 years, and our purchase quantity has reached 20,000 units.
We supplied the tuning fork level gauge to the Rosemount factory, and it has been well-received by the Beijing factory. We have cooperated with Yokowaga and maintained a cooperative relationship for 8 years, and our purchase quality has reached 7000 units.
The companies we have cooperated with:
1. Awarded "Outstanding Supplier by Yanchang Petroleum in 2008
2. In December 2012, our company was awarded the "Excellent Equipment Service Award" for the expansion project of units 6 and 7 of the Guangdong Guohua Yuedaishan Power Plant
3. Awarded "Outstanding Supplier by Yaxing Group in 2013
4.200 transmitters for Haihua Group's ethylene debottlenecking transformation project in 2015.
5. In 2018, we were rewarded as a National Nuclear Power Instrumentation Industry Measurement and Testing Alliance member.
6.160 transmitters and 20 electric actuators for the Shandong Laigang Yongfeng Steel expansion project in 2019
7. In 2022, Jinneng Chemical (Qingdao) Co., Led/ Jinneng 2x450,000 tons/ year high-performance polypropylene project (newly built), equipped with 460 transmitters from our company.
8. In 2022, Shandong Qinghe Chemical Technology Co., Ltd.'s hydrogen peroxide method epoxy propane device and supporting hydrogen peroxide device expansion project used 253 pressure transmitters.
9. In 2022, the Wanhua Chemical HTN project NPG installed 320 transmitters and 50 sets of valve positioners.

 

FAQ

Q: How long will you give me the reply?
A: We will reply to you as soon as we see the information.
Q: What is the delivery time?
A: Our delivery time is within 3-7 days after we get your payment;
for large qty mass orders, the time should be confirmed again for you.
Q: How about your package?
A: Do not worry about the package, we have rich experience in packing, and all our package is wooden case package.
Q: How about the payment terms?
A: You can choose T/T.
Q: Do you provide samples?
A: Yes, we have materials in stock to help you to get the samples as soon as we can.
Q: What is the MOQ?
A:1PC.
Q: Can I get a lower price if I order large quantities?
A: Yes, cheaper prices with more bigger size orders.