Saginomiya WNS & YNS Differential Pressure Controls, Adjustable & Fixed, IP20
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Saginomiya WNS and YNS Differential Pressure Controls are designed for pressure-difference monitoring with water, air and fluorinated refrigerants. WNS models provide an adjustable differential, while YNS models use a fixed narrow differential. This series listing covers WNS-C102X, WNS-C106X, YNS-C102X, YNS-C106X, YNS-C102WG, YNS-C102W, YNS-C106W and WNS-C106G. :contentReference[oaicite:0]{index=0}
| Control Type | WNS: adjustable differential pressure control; YNS: fixed narrow differential pressure control |
| Controlled Media | Water, air and fluorinated refrigerant |
| Standard Enclosure | IP20 |
| Fluid Temperature | -20 to 120 °C |
| Ambient Temperature | -20 to 70 °C |
| Standard Pressure Connection | 1/4 in flare with 7/16-20 thread |
| Electrical Rating | 125/250 V AC; 12 A non-inductive; 0.75 A inductive full load; 72 A inrush |
| Contact Function | Terminal 1 common; terminal 3 closes on pressure increase; terminal 5 closes on pressure decrease |
Listed Model Configurations
| Catalog Number | Verified or Supplied Configuration |
| WNS-C102X | Adjustable differential; range 0.03–0.2 MPa (0.3–2 kgf/cm²); differential 0.03–0.15 MPa; factory settings 0.05 MPa Off and 0.02 MPa On; maximum working pressure 0.5 MPa |
| WNS-C106X | Adjustable differential; range 0.05–0.35 MPa (0.5–3.5 kgf/cm²); differential 0.05–0.25 MPa; factory settings 0.1 MPa Off and 0.05 MPa On; maximum working pressure 1.5 MPa |
| YNS-C102X | Fixed narrow differential; range 0.02–0.2 MPa (0.2–2 kgf/cm²); approximately 0.015 MPa fixed differential; factory settings 0.05 MPa Off and 0.035 MPa On; maximum working pressure 0.5 MPa |
| YNS-C106X | Fixed narrow differential; range 0.025–0.35 MPa (0.25–3.5 kgf/cm²); approximately 0.025 MPa fixed differential; factory settings 0.15 MPa Off and 0.125 MPa On; maximum working pressure 1.5 MPa |
| YNS-C102WG | 0.2 MPa designation; Rc 1/4 connection |
| YNS-C102W | 2 Kgf designation |
| YNS-C106W | 3.5 Kgf designation |
| WNS-C106G | 3.5 Kgf designation |
Typical applications: WNS adjustable differential pressure controls are suitable for detecting water cutoff conditions in cooling-water circuits. The WNS and YNS families are specified for use with water, air and fluorinated refrigerants.
Apexon Supply provides B2B sourcing and replacement support for Saginomiya WNS and YNS differential pressure controls. Confirm the complete catalog number, pressure range, differential type, pressure connection and switching requirements before replacement. Full factory specifications for the W and G suffix variants should be checked against the product label or purchase order.
For an RFQ, submit WNS-C102X, WNS-C106X, YNS-C102X, YNS-C106X, YNS-C102WG, YNS-C102W, YNS-C106W or WNS-C106G with the required quantity, controlled medium, connection and operating-pressure details. Most qualified RFQs receive a response or quote within 12 hours.
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