Samson 3730 OEM Smart Valve Positioner HART Digital Pneumatic Actuator Controller Oil Gas Water Treatment System
Price:
US $1750.00 - 1950.00/ Set
MOQ:
1
Delivery Time:
4-6 weeks
Brand:
Samson
Product Description
Samson Type 3730 Electropneumatic Positioner Product Description
Product Overview
- Microprocessor-controlled positioner for single/double acting pneumatic linear & rotary actuators
- Multi-variant lineup: 3730-1 (basic), 3730-3 (HART), 3730-4 (PROFIBUS-PA), 3730-5 (Foundation Fieldbus)
- Built-in EXPERTplus valve diagnostics, one-touch auto initialization, reversible control direction
Technical Specifications
| Item | Official Parameter |
|---|---|
| Input Signal | 4–20mA two-wire, reverse polarity protected |
| Supply Air | 1.4–7 bar, compliant with ISO 8573-1 |
| Linear Travel | 3.6–200 mm (IEC 60534-6 NAMUR mount) |
| Rotary Angle | 24–100° (VDI/VDE 3845 rotary mount) |
| Housing Material | Die-cast aluminum, optional stainless steel |
| Protection Class | IP66 / NEMA 4X |
| Control Hysteresis | ≤ 1% |
| Unit Weight | Approx. 1.0 kg |
Application Industry
- Chemical & Petrochemical: Process flow throttling and control loop valve regulation
- Oil & Gas: Pipeline and refining valve control with digital bus monitoring
- Power Generation: Steam and water circuit control valve precise positioning
Common Problems & Solutions
- Issue: No response to control signal
Solution: Check 4–20mA wiring integrity and 1.4–7 bar supply air
- Issue: Position drift / accuracy deviation
Solution: Run auto-initialization, re-secure feedback linkage
- Issue: Slow actuator movement
Solution: Clean air filter element, verify air quality meets ISO 8573-1
Replacement Models
- TROVIS 3730 Series: SAMSON official direct successor for 3730 product line.
- Samson Type 3731: Upgraded positioner with enhanced safety and diagnostics
- Samson Type 3725: Cost-effective analog alternative for basic control loops
Why Buy From Us
- 100% genuine SAMSON original products with full factory quality certificates
- Ready stock for standard variants, covering basic, HART and explosion-proof versions
- Professional pre-sales 选型 matching and after-sales technical support
Stock & Delivery Time
- Standard models (3730-1 / 3730-3): In stock, dispatch within 3–8 working days
- Explosion-proof and stainless steel versions: 7–15 working days lead time
- Bulk orders ≥10 units: Negotiated priority delivery and packaging service
RFQ Form
- Full model code (e.g. 3730-31001000400000000)
- Configuration requirements: communication protocol, Ex protection, housing material
- Order quantity and target delivery deadline
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
No.6 Building,No.98 Lane, No.1 Fulian Road, Baoshan District, Shanghai, China
Contact Person
Edward Zhao