Spirax Sarco SP7 Digital Valve Positioner with HART Communication 4–20 mA Input Signal and IP66 Enclosure
Price:
US $1500.00 - 2000.00/ Set
MOQ:
1
Delivery Time:
6-8 weeks
Brand:
Spirax Sarco
Product Description
Spirax Sarco SP7 Valve Positioner
Product Overview
The Spirax Sarco SP7 is a digital electro-pneumatic positioner designed for accurate control of pneumatic actuators on control valves. It accepts a 4–20 mA input signal and uses HART communication for configuration and diagnostics. The positioner is compact, easy to calibrate, and well-suited for steam and process applications where reliable digital positioning is required.
Technical Specifications
| Parameter | Specification |
|---|---|
| Input Signal | 4–20 mA DC + HART |
| Supply Air Pressure | 1.4–7 bar (20–100 psig) |
| Air Consumption | Low steady state |
| Stroke | Linear up to 150 mm, rotary up to 90° |
| Accuracy | ±0.5% of span |
| Ambient Temperature | –20 °C to +80 °C |
| Enclosure Rating | IP66 |
| Housing Material | Aluminum |
Application Industry
- Steam control systems
- Process heating and cooling
- Food & beverage utilities
- Pharmaceutical clean steam
- General industrial valve control
Common Problems & Solutions
- Problem: Slow valve response → Solution: Check supply air pressure and filter
- Problem: Difficult calibration → Solution: One-button auto-calibration
- Problem: Environmental exposure → Solution: IP66 enclosure
Replacement Models
- Older Spirax Sarco EP5 / EP6 series
- Pneumatic-only positioners (when upgrading to digital)
Why Buy From Us
- Genuine Spirax Sarco product with factory warranty
- Local technical support and commissioning
- Competitive pricing
- Fast spare parts availability
Stock & Delivery Time
- Standard models: 4–8 weeks typical
- Configured versions: 6–10 weeks
RFQ Form
Please provide:
- Actuator type (linear or rotary) and stroke
- Required input signal
- Supply air pressure available
- Ambient temperature range
- 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