Saginomiya SYS, DYS & DNS Pressure Switch
Professional mechanical pressure controls for commercial refrigeration, cold rooms, air-conditioning and industrial equipment, available in single-pressure and dual high/low-pressure configurations.
SYS Series DYS Series DNS Series Low Pressure High Pressure Dual Pressureâī¸ Saginomiya Refrigeration Pressure Controls
Saginomiya pressure switches are designed for pressure control and protection in refrigeration, air-conditioning and compatible industrial systems.
The range includes the compact SYS single-function pressure control and the DYS and DNS dual pressure controls that combine low-side control with high-side overpressure protection.
With multiple pressure ranges, automatic-reset and manual-reset configurations, Saginomiya provides solutions for applications ranging from compressor low-pressure control to high-pressure protection and combined high/low pressure control.
đĩ SYS = Single Pressure Control đĸ DYS = Compact Dual High / Low Pressure Control đĩđĸ DNS = Extended Dual Pressure Control Family
đ SYS vs DYS vs DNS – What's the Difference?
SYS Series
Single Function Compact Auto / Manual ResetGeneral-purpose single pressure control for low- or high-pressure applications.
Ideal when only one pressure point or one side of the refrigeration system needs to be monitored or controlled.
DYS Series
Dual Pressure Compact High + LowCompact dual pressure control combining high-side overpressure protection with low-side pressure control.
Designed as a lightweight integrated solution for refrigeration and air-conditioning equipment.
DNS Series
Dual Pressure Multiple Configurations Weatherproof OptionsFull-featured dual pressure control family combining high-side protection and low-side control.
Available with multiple contact/reset configurations and optional drip-proof and waterproof versions.
đĩ SYS Series – Single Function Pressure Control
The SYS Series is Saginomiya's compact single-function pressure-control family. The manufacturer highlights its reliable operation, long service design, light weight and easy-to-read scale.
View Full SYS Automatic Reset Range
| Model | Pressure Range | Adjustable Differential | Max. Working Pressure | Reset |
|---|---|---|---|---|
| SYS-C103X0 | -0.6 to 3 bar | 0.35 to 2 bar | 16.5 bar | Automatic |
| SYS-C106X0 | -0.6 to 6 bar | 0.6 to 4 bar | 16.5 bar | Automatic |
| SYS-C110X0 | 1 to 10 bar | 1 to 3 bar | 16.5 bar | Automatic |
| SYS-C130X0 | 5 to 30 bar | 3 to 10 bar | 33 bar | Automatic |
| SYS-C135X0 | 10 to 35 bar | 5 to 15 bar | 38 bar | Automatic |
| SYS-C140X0 | 10 to 43 bar | 5 to 10 bar | 47 bar | Automatic |
View SYS Manual Reset Range
| Model | Pressure Range | Reset Type | Max. Working Pressure |
|---|---|---|---|
| SYS-C106X0M2 | -0.6 to 6 bar | Manual Reset | 16.5 bar |
| SYS-C130X0M2 | 5 to 30 bar | Manual Reset | 33 bar |
đĸ DYS Series – Compact Dual Pressure Control
The DYS Series combines low-pressure control and high-pressure overpressure protection in one compact enclosure.
Its low-pressure side operates over a range of -0.6 to 6 bar, while the high-pressure side is adjustable from 8 to 30 bar.
View Full DYS Range
| Model | Low Range | Low Differential | High Range | High Differential | Reset Configuration |
|---|---|---|---|---|---|
| DYS-D306X0 | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Approx. 5 bar Fixed | Automatic |
| DYS-D606X0 | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Approx. 5 bar Fixed | Automatic |
| DYS-D306X0M | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Manual Reset on High Side | Low Auto / High Manual |
| DYS-D606X0M | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Manual Reset on High Side | Low Auto / High Manual |
| DYS-D606X0MM | -0.6 to 6 bar | Manual Reset | 8 to 30 bar | Manual Reset | Low & High Manual Reset |
đĩđĸ DNS Series – Dual Pressure Control
The DNS Series is the more configurable dual-pressure-control family, combining high-side overpressure protection and low-side control.
Saginomiya offers automatic reset, high-pressure manual reset and high/low manual-reset configurations, together with optional enclosure variants for more demanding installations.
View DNS Automatic Reset Range
| Model | Low Range | Low Differential | High Range | High Differential | Reset |
|---|---|---|---|---|---|
| DNS-D304X | -0.6 to 4 bar | 0.4 to 2 bar | 8 to 30 bar | Approx. 4 bar Fixed | Automatic |
| DNS-D306X | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Approx. 4 bar Fixed | Automatic |
| DNS-D604X | -0.6 to 4 bar | 0.4 to 2 bar | 8 to 30 bar | Approx. 4 bar Fixed | Automatic |
| DNS-D606X | -0.6 to 6 bar | 0.6 to 4 bar | 8 to 30 bar | Approx. 4 bar Fixed | Automatic |
View DNS Manual Reset Range
| Model | Low Range | High Range | Reset Configuration |
|---|---|---|---|
| DNS-D304XM | -0.6 to 4 bar | 8 to 30 bar | Low Auto / High Manual Reset |
| DNS-D306XM | -0.6 to 6 bar | 8 to 30 bar | Low Auto / High Manual Reset |
| DNS-D604XM | -0.6 to 4 bar | 8 to 30 bar | Low Auto / High Manual Reset |
| DNS-D606XM | -0.6 to 6 bar | 8 to 30 bar | Low Auto / High Manual Reset |
| DNS-D606XMM | -0.6 to 6 bar | 8 to 30 bar | Low & High Manual Reset |
View DNS Enclosure Options
Saginomiya also lists additional special configurations and certifications depending on model and application. Always verify the exact suffix before ordering.
đĄ Quick Selection Guide
| Requirement | Recommended Family | Reason |
|---|---|---|
| Single low-pressure control | SYS | Compact single-function pressure switch |
| Single high-pressure control | SYS | High-pressure ranges available |
| R410A single pressure control | SYS-C140 | Specifically identified for R410A by Saginomiya |
| Combined low + high pressure control | DYS / DNS | Both functions integrated into one control |
| Compact dual pressure control | DYS | Compact and lightweight dual-control design |
| Dual control with more configuration options | DNS | Broader reset, contact and enclosure options |
| Waterproof dual pressure control | DNS-P | IP66 enclosure version |
| Drip-proof dual pressure control | DNS-W | IP62 enclosure version |
â Key Features & Advantages
đ Typical Applications
đ§ How to Select the Correct Saginomiya Pressure Switch
đ About X24A / X24M / X24MM Model Numbers
Depending on market and product configuration, Saginomiya pressure controls may be encountered with model numbers such as SYS-C130X24A, DYS-D606X24M and DYS-D606X24MM.
The tables above follow the model structure and specifications published in Saginomiya's current global catalogue. Regional suffixes and connection/scale configurations may differ, so the complete model number on the actual product nameplate should always be checked before replacement.
Saginomiya Pressure Switch Supplier Malaysia
RNA Engineering & Trading Sdn Bhd supplies Saginomiya pressure controls for commercial refrigeration, cold rooms, condensing units and air-conditioning applications.
Contact our team for pricing, availability, model matching and pressure-control selection.
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