Original Foxboro SRD991 Digital Valve Positioner Profibus PA HART 7 Valve Controller for Oil Gas Industry
Price:
US $1650.00 - 1880.00/ Set
MOQ:
1
Delivery Time:
6-8 weeks
Brand:
Foxboro
Product Description
Product Overview
The Foxboro SRD991 intelligent positioner offers advanced control for pneumatic actuators with microprocessor-based operation and HART communication. It provides accurate positioning, self-diagnostics, and easy local operation through its graphical display and three push buttons. The positioner is well-suited for demanding process environments where reliability, diagnostics, and straightforward maintenance are important.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC |
| Communication | HART |
| Supply Air Pressure | 1.4 – 6 bar (up to 7 bar with spool valve) |
| Stroke Range | 8 – 260 mm with standard lever |
| Rotary Range | Up to 95° |
| Linearity | < 0.4% of travel span |
| Hysteresis | < 0.3% of travel span |
| Sensitivity | < 0.1% of travel span |
| Operating Temperature | –40 °C to +80 °C |
| Enclosure | IP65 / NEMA 4X |
| Action | Single or double acting |
Application Industry
- Petrochemical and chemical processing
- Power plants
- Oil & gas facilities
- Industrial automation
- Valve control in harsh environments
Common Problems & Solutions
- Problem: Complex configuration → Solution: Local keys and graphical LCD for easy setup
- Problem: Air supply issues → Solution: Low air consumption and recommended filter use
- Problem: Valve diagnostics needs → Solution: Built-in self-diagnostics and status messages
Replacement Models
- Previous generation Foxboro positioners
- SRD960 for simpler applications
Why Buy From Us
- Authentic Foxboro SRD991 positioner
- Good value with technical support
- Assistance with installation and calibration
- Spare parts and service support
Stock & Delivery Time
- Standard models: 6–12 weeks
- Configured or certified versions: 8–16 weeks
RFQ Form
Please provide:
- Valve actuator details (type and travel)
- Communication requirements
- Supply air pressure
- Hazardous area classification
- Quantity & delivery timeline
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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
Building 6, 98 Fulianyi Road, Yanghang Town, Baoshan District
Contact Person
Edward Zhao