SV27 Series Pilot Operated Check Valves for External Monitoring SV27NC115408CSAA1D

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  • Dirt tolerant, wear compensating for quick response and high flow capacity
  • Poppet construction for near zero leakage & dirt tolerance
  • Senses internal position & state
  • Electrical feedback via DPST switch (Double-Pole Single-Throw)
  • Directly operated safety-rated force-guided positive-break status switch (DPST)
  • A diagnostic coverage (DC) of up to 90% can be obtained by monitoring the safety switch status
  • SISTEMA Library available for download

Need Help? No Problem!

Technical & Customer Service

+44 (0)1254 872277

Need Help? No Problem!

Technical & Customer Service

+44 (0)1254 872277


Product Information

Series SV27
Construction Poppet
Body Size 3/4"
Ports 1-2 Flow 4.5 Cv (4428 Nl/min)
Length (mm) 127
Width (mm) 84
Height (mm) 215
Weight (kg) 2.3
Valve Function 2/2 Pneumatic PO Check
Actuation Electrical
Pressure Release Type DPST Switch
Port 1 Size 1/2"
Port 2 Size 1/2"
Thread Type NPT
Voltage 24 VDC
Power Consumption 6 watts
Electrical Connection CNOMO
Mounting Inline
Ambient Temperature Range (Celsius) 4 to 50
Media Temperature Range (Celsius) 4 to 80
Flow Media Filtered Air
Operating Pressure (bar) 2.8 to 10
Valve Body Material Cast Aluminum
Poppet Material Acetal and Stainless Steel
Seal Material Buna-N; Fluorocarbon
Safety Category Category 2
PL Rating PL c
Safety Integrity Level SIL 2
DGUV Certification Yes
CE Certification Yes
EAC Declaration Yes
CSA/UL Certification Yes