China WZI Pneumatic Valve Samson 3730-31001 HART Electro Pneumatic Valve Positioner Controller
Price:
US $1250.00 - 1500.00/ Set
MOQ:
1
Delivery Time:
6-8 weeks
Brand:
Samson
Product Description
SAMSON Type 3730-3 Electro-pneumatic Valve Positioner
Product Overview
The SAMSON Type 3730-3 is a digital electropneumatic positioner with HART communication for pneumatic linear and rotary actuators. It features self-calibration, an intuitive menu with LCD display, and reliable performance in industrial environments. It is a popular choice for accurate valve positioning in process plants that need HART diagnostics without excessive complexity.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC + HART |
| Supply Air Pressure | 1.4–7 bar (20–105 psig) |
| Air Consumption | Approx. 0.12 m³/h (4.2 scfh) at 1.4 bar |
| Stroke | Linear 10–150 mm, rotary 30–100° |
| Hysteresis | ≤ 0.3 % of span |
| Sensitivity | ≤ 0.1 % of span |
| Linearity | ≤ ±1.0 % of span |
| Ambient Temperature | –20 … +80 °C (–4 … +176 °F) |
| Enclosure Rating | IP66 |
| Housing Material | Aluminum or stainless steel |
Application Industry
- Chemical and petrochemical plants
- Power generation
- Oil & gas processing
- Water and wastewater treatment
- General industrial automation
Common Problems & Solutions
- Problem: Slow calibration → Solution: Automatic start-up and self-calibration
- Problem: Output drift → Solution: Simple local adjustment via pushbuttons
- Problem: Harsh environment → Solution: IP66 enclosure and wide temperature range
Replacement Models
- Older SAMSON 3730-2 / 3730-1 series
- SAMSON 3761 (pneumatic version)
Why Buy From Us
- Genuine SAMSON product with factory warranty
- Local technical support and calibration service
- Competitive pricing
- Fast spare parts availability
Stock & Delivery Time
- Standard models: 6–8 weeks typical
- Special configurations: 6–10 weeks
RFQ Form
Please provide:
- Actuator type (linear or rotary) and stroke
- Required communication (HART)
- Supply air pressure available
- Ambient temperature range
- Quantity & delivery timeline
Similar Products
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
Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Contact Person
Edward Zhao