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China, Chinese Original and Brand-New Hart Protocol Samson 3730-3 Valve Positioner1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pneumatic ComponentPneumatic ActuatorSamson Valve PositionerHart Protocol Positioner
Kerui (Weifang) Automation Equipment Co., Ltd.
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Product Description Product DescriptionSAMSON 3730-3 Electro-Pneumatic Valve Positioner Product Introduction1. OverviewThe SAMSON 3730-3 is a high-precision, intelligent electro-pneumatic valve positioner designed for precise control of pneumatic actuators in industrial process automation systems. It supports HART? communication protocol, enabling seamless integration into digital control networks. With its robust construction (IP66 protection rating) and wide operating temperature range (-20°C to 80°C), the 3730-3 is suitable for demanding environments, including chemical plants, oil and gas facilities, and power generation.Key applications include:Control valves in hazardous areas.Systems requiring SIL (Safety Integrity Level) certification.Processes with stringent requirements for valve diagnostics and partial stroke testing (PST).2. Core Features2.1 Structural DesignHousing: Available in die-cast aluminum or stainless steel, ensuring durability in corrosive environments Non-Contact Position Sensor: Eliminates mModular Components:Electronic Travel Sensor: Detects valve stem displacement or rotation angle.I/P Converter and Pneumatic Amplifier: Converts 4-20 mA signals to pneumatic output (0.2-1 bar or 0.4-2 bar).Microprocessor Unit: Processes input signals and feedback for closed-loop control 2.2 Advanced FunctionalityHART Communication: Allows remote configuration, real-time diagnostics, and parameter adjustments via TROVIS-VIEW software Four Initialization Modes:NOM Mode: Standard calibration based on valve travel.Sub Mode: Emergency initialization without full valve stroke, ideal for critical processes Quick Setup: Pre-configured parameters minimize manual adjustments Diagnostics and Safety:EXPERTplus Diagnostics: Monovers valve performance, detects hysteresis, and logs deviations Fail-Safe Configuration: Supports AIR TO OPEN (ATO) or AIR TO CLOSE (ATC) modes via a safety reset switch Continous Zero Monitoring: Ensures stability during operation 2.3 User InterfaceRotary Knob: Simplifies menu navigation and parameter selection (rotate to adjust, press to confirm) 180° Rotatable LCD: Adapts to any installation angle for easy readability Integrated Alarms: Displays NAMUR NE 107-compliant status messages (e.g., overload, sensor faults) Detailed Photos 4. Installation and Configuration4.1 Mounting FlexibilityCompatible with linear and rotary actuators via:IEC 60534-6-1 (linear valves).VDI/VDE 3845 (rotary actuators) Reversible Amplifier: Required for double-acting actuators (Type 3710) 4.2 Key Setup StepsElectrical Connection:TerminalPneumatic Supply:Connect instrument air (1.4-6 bar) to the input port.Safety Mode Selection:Set ATO/ATC via the reset switch based on valve type (spring-close or spring-open) Parameter Configuration:Use the rotary knob to adjust:Code 3: Enable parameter editing (set to YES) Code 4: Set valve pin position.Code 5: Define valve travel angle Initialization:Press the INIT button to start automatic calibration 4.3 Capacity Limiter AdjustmentMIN SIDE/MIN BACK: For small actuators (<240 cm2) with side/back signal ports.MAX SIDE/MAX BACK: For larger actuators Product ParametersParameterSpecificationModel3730-3 ESD TypeInput Signal4-20 mA (HART? communication)Supply Pressure1.4-6 bar (20-90 psi)Output Pressure0-6 bar (0-90 psi)Travel Range3.6-200 mm (linear) / 24-100° (rotary)DiagnosticsEXPERT+ diagnostics, partial stroke testing (PST), hysteresis testing, data loggingCommunicationHART? protocol, SSP (SAMSON interface protocol), FDT/DTM integrationDisplayAlphanumeric LCD with adjustable orientationEnvironmental Temp.-40°C to +80°CProtection RatingIP66Explosion ProtectionATEX EExi/EExA/nl, FM (intrinsic safety/non-sparking), SIL3 certificationMounting StandardsIEC 60534 (NAMUR), VDI/VDE 3845 for rotary actuatorsControl CharacteristicsAdjustable (linear, equal percentage), PID coefficientsIntegrated Functions- Certified solenoid valve- Valve position switches- Fault alarm contactsPower ConsumptionLow steady-state air consumption <0.06 scfmAdditional Options- Position transmitter- Fail-safe action (ATO/ATC)- Pressure gauges5. ApplicationsThe 3730-3 excels in:High-Pressure Systems: Corrosion-resistant materials handle aggressive media.Safety-Critical Processes: SIL 2 certification and PST support for emergency shutdowns Pharmaceutical and Food Industries: Stainless steel housing meets hygiene standards 6. Maintenance and DiagnosticsEEPROM Storage: Retains parameters during power outages Self-Diagnostics:Detects zero-point drift, temperature anomalies, and mechanical wear.Generates alerts via fault contacts or analog position transmitters Runtime Counter: Tracks operational hours for predictive maintenance 7. Competitive AdvantagesPrecision: Non-contact sensors ensure ±0.5% accuracy Versatility: Compatible with 90% of industrial actuators via modular adapters Cost Efficiency: Reduced downtime through predictive diagnostics 8. ConclusionThe SAMSON 3730-3 combines cutting-edge technology with rugged reliability, making it a top choice for modern process automation. Its HART integration, advanced diagnostics, and flexible installation options cater to industries requiring precise valve control under extreme conditions. By minimizing manual intervention and maximizing operational safety, the 3730-3 sets a benchmark in intelligent valve positioning.Company ProfileKeRui (weifang) Automation Equipment Co., Ltd. specializes in industrial automation instrument development, production and sales,technical services, and supporting equipment 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 fields. Packaging & ShippingThe packaging and transportation of instrumentation in global trade hinges on a synergy of advanced materials, rigorous testing, regulatory compliance, and smart logistics. By adopting hybrid structural designs, leveraging real-time monitoring technologies, and prioritizing sustainability, exporters can ensure the safe, efficient, and cost-effective delivery of precision instruments. Continuous innovation in materials science and IoT integration will further redefine industry standards, enhancing resilience in an increasingly interconnected market. FAQQ: 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.
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