PNEUMATIC SNAP ACTING RELAY SERIES - RSAR-S -500 (1/4”) / RSAR -S -510 (3/8”) / RSAR -D -500 (1/4”) / RSAR -D -510 (3/8”)
DESCRIPTION
The Rtork pneumatic Snap Acting Relay is a device that moves the control valve to desired position in case of an emergency by switching or locking OUT port of pneumatic pipe when the signal pressure is lower than the set pressure. usually used with an air tank, converts an air flow direction and moves the valve to the fail-safe position when the signal air pressure is lower than the set air pressure. Also, it has a fail-freeze function to help the valve stay at the last position on the loss of a supply air pressure.
FEATURES
- Quick Response and High Precision.
- Can be performed Lock up valve
- Easy set-up of switching signal air pressure
- Options available High & Low temperature
| Item. Type | RSAR-S-500 (1/4”) / RSAR-S-510 (3/8”) / RSAR-D-500 (1/4”) / RSAR-D-510 (3/8”) | ||||
|---|---|---|---|---|---|
| Max Supply pressure | 1MPa / 10 bar (150 psi) | ||||
| Max.Signal Pressure | 0.14~0.7MPa / 7 bar (105 psi) | ||||
| Differential Pressure | Below 0.01MPa / 0.1 bar (1.45 psi) | ||||
| Hysterisis | 0.1 kgf/cm² | ||||
| Flow Capacity (CV) | RSAR-S-500 (1/4”) – 0.9 | RSAR-S-510 (3/8”) – 1.8 | |||
| Signal Connection | 1/4” NPT | 3/8” NPT | |||
| Supply/Output Connection | 1/4” NPT | 1/4” NPT | |||
| Operating Temp. | 20°C to +180°C Viton as standard. Low temperature nitrile and silicone / Fluorosilicone -60°C to +40°C | ||||
| Material As Standard |
Aluminium die-casting with epoxy coating paint Stainless steel AISI 316L versions according to NACE MR0175 - ISO |
||||
| Weight | Single |
RSAR-S-500 AL - 0.75kg |
RSAR-S-500 SS – 1.75kg |
RSAR-S-510 AL – 1.55kg |
RSAR-S-510 SS – 3.35kg |
| Double |
RSAR-D-500 AL – 1.30kg |
RSAR-D-500 SS – 3.20kg |
RSAR-D-510 AL – 2.75kg |
RSAR-D-510 SS – 5.85kg |
|
Application: Certifications including SIL 3, ensuring compatibility with safety-critical systems. Typical applications include actuator control for ESD systems, process plant valves, and offshore equipment.
Designs for Rtork Snap Acting Relay are created in a 3D environment using state-of-the-art design and analysis software. Finite Element Analysis (FEA) and Computational Fluid Dynamics (CFD) are extensively used to fine-tune product designs.
Rtork established the reliability of its design after comprehensive prototype trials in simulated supercritical
RSAR-D
| STAINLESS STEEL | SS |
| ALUMINIUM | AL |
| 1/4" | 500 |
| 3/8" | 510 |
| VITON | V |
| NBR | N |
| SILICON | S |
| FLUOROSILICONE | F |
| 1:1 | 11 |
