New Samson Steam Control Valve Samson Electropneumatic Valve Positioner 3725 3730-3 3730-5 Valve Parts Supplier
Price:
US $1250.00 - 1750.00/ Set
MOQ:
1
Delivery Time:
4-6 weeks
Brand:
Samson
Product Description
Samson Steam Control Valve Samson Electropneumatic Valve Positioner 3725 3730-3 3730-5
Product Overview
- Original Samson electropneumatic valve positioner series, perfectly matched with Samson steam control valves for precise process regulation
- Includes basic analog type 3725 and smart HART-enabled 3730-3 / 3730-5, covering entry-level to high-end control demands
- Modular structure with full range of matching valve spare parts available, easy for on-site maintenance and upgrade
Technical Specifications
| Category | Core Parameters |
|---|---|
| Control Performance | 4-20mA input signal; 3725 accuracy ±0.5% span; 3730 series accuracy ±0.25% span; fits linear/rotary actuators |
| Environment & Protection | IP66 enclosure; -40°C to +85°C operating temperature; optional ATEX / IECEx explosion-proof certification |
| Communication & Air Supply | 3730 series supports HART protocol; supply pressure 1.4–6 bar; standard NPT pneumatic ports |
Application Industry
- Petrochemical and chemical plants for steam pipeline and process fluid flow regulation
- Power generation and district heating for boiler steam control and heat exchange system regulation
- Food, pharmaceutical and water treatment for sanitary process and industrial water flow control
Common Problems & Solutions
- Position drift or unstable output: Recalibrate zero and span, verify clean and stable air supply pressure
- Slow valve response: Clean air filter element, adjust damping setting and inspect actuator air tightness
- HART communication failure (3730 series): Check signal wiring loop, reset communication parameters
Replacement Models
- Samson 3731: Upgraded smart positioner with PROFIBUS PA communication for advanced digital control
- Samson 3724: Basic pneumatic positioner for pure pneumatic control systems
- F-isher DVC6200: Peer alternative smart positioner compatible with most industrial control valves
Why Buy From Us
- 100% original Samson products with official certification and 12-month warranty
- Massive stock of positioners and valve spare parts for one-stop procurement
- Professional technical support for model selection, installation and commissioning guidance
Stock & Delivery Time
- Standard models (3725, 3730-3) in stock, dispatched within 5–7 working days
- Custom explosion-proof versions and special spare parts have 2–3 weeks lead time
- Global sea/air shipping available with full customs clearance documents
RFQ Form
- Please confirm exact model, quantity and explosion-proof grade in your inquiry
- Provide matched valve/actuator parameters and application conditions for accurate quotation
- Formal quotation with full official datasheet will be sent within 24 working hours
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Xiangjing (Shanghai) M&E Technology Co., Ltd
Location
No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
Contact Person
Edward Zhao