Valve Diagnostics Explosion-proof Valve Positioner SP7 Spirax Sarco Smart Digital Valve Controller
Price:
US $1480.00 - 2000.00/ Set
MOQ:
1
Delivery Time:
6-8 weeks
Brand:
Spirax Sarco
Product Description
Spirax Sarco SP7 Electro-Pneumatic Valve Positioner
Product Overview
The Spirax Sarco SP7 is a digital electro-pneumatic positioner designed for precise control of pneumatic actuators on control valves. It converts a 4–20 mA input signal into proportional pneumatic output and includes HART communication for configuration and diagnostics. The positioner is compact, easy to calibrate, and reliable for steam and general process applications.
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 automation
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: 6–8 weeks typical
- Configured versions: 6–12 weeks
RFQ Form
- 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