Spirax Sarco EP6
Product Overview
- Spirax Sarco EP6 is a two-wire loop-powered electro-pneumatic positioner with 4–20mA input signal
- Compatible with NAMUR standard linear (20–150 mm) and rotary (55–90°) pneumatic valve actuators
- Cast aluminum IP66 housing, built-in output pressure gauge, supports direct/reverse action configuration
Technical Specifications
| Category |
Core Parameters |
| Signal & Pneumatic |
4–20mA DC input; air supply 1.4–7 bar; 1/4" NPT air port; single/double acting output |
| Performance & Environment |
Repeatability ±0.5% FS; -20°C ~ +70°C; IP66 housing; air quality ISO 8573-1 Class3:3:3 |
| Certification & Options |
Optional ATEX/IECEx explosion-proof certification; standard mounting brackets available |
Application Industry
- Steam and thermal energy systems for boiler control valves and heat exchanger flow regulation
- Food & beverage, pharmaceutical industry sanitary process flow and pressure control
- Petrochemical and general process plants for pneumatic control valve automatic adjustment
Common Problems & Solutions
- Valve position drift: Recalibrate zero and span, ensure stable clean instrument air supply
- Slow actuator response: Inspect air pipeline leakage and clean internal filter element
- Position hunting/oscillation: Adjust sensitivity parameter and check mechanical linkage clearance
Replacement Models
- Spirax Sarco SP7 Series: HART smart digital positioner with advanced diagnostic functions
- Spirax Sarco EP500: Entry-level electro-pneumatic positioner for basic control scenarios
- Masoneilan SVI2 AP: HART intelligent positioner as cross-brand alternative for valve retrofit
Why Buy From Us
- Original Spirax Sarco EP6 products with official certification and 12-month warranty
- Complete mounting kits and spare parts support one-stop purchasing
- Professional technical service for installation, calibration and commissioning guidance
Stock & Delivery Time
- Standard non-explosion-proof EP6 models in stock, shipped within 5–7 working days
- ATEX explosion-proof customized versions require 2–3 weeks production lead time
- Global sea and air transportation with complete customs clearance documents
RFQ Form
- Please confirm quantity, explosion-proof type and required mounting accessories
- Provide actuator type, stroke and site working medium & temperature conditions
- Formal quotation and official datasheet will be sent within 24 working hours