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This page explains how Safety Relief Valve is classified within Machinery and Equipment Manufacturing. Technical values and manufacturer relationships are research references; confirm the current specification and supplier evidence for each order.
A pressure relief device designed to automatically open and discharge fluid when pressure exceeds a predetermined set point to prevent equipment failure.
Technical details and manufacturing context for Safety Relief Valve
| Parameter | Typical range | Notes & selection driver |
|---|---|---|
| Nominal Diameter | 15–100 mm | Standard flange sizes |
| Set Pressure Range | 0.1–1.6 MPa | Adjustable within rangeISO 4126-1 |
| Operating Temperature | -40–120 °C | Seal material limits |
| Accuracy | ±5 % | Of set pressureISO 4126-1 |
| Leakage Rate | ≤0.05 mL/min | At 90% of set pressureISO 5208 |
| Flow Capacity | 10–500 m³/h | At 10% overpressureISO 4126-1 |
| Response Time | ≤0.1 s | Full lift |
| Body Material | WCB/CF8/CF8M | Carbon steel or stainlessASTM A216/A351 |
| Seat Material | PTFE/PEEK | Chemical compatibility |
| Weight | 5–50 kg | Depends on size and material |
| Ingress Protection | IP65 | For outdoor installationIEC 60529 |
Ranges are indicative industry figures for RFQ preparation, not a supplier commitment. Confirm every value and standard with the legal manufacturer before ordering.
This component is essential for the following industrial systems and equipment:
| pressure: | Up to 10,000 psi (689 bar) |
| flow rate: | 0.1 to 10,000 GPM (0.38 to 37,850 L/min) |
| temperature: | -40°C to +120°C |
| slurry concentration: | Not recommended for slurries >5% solids by volume |
Indicative industry ranges for design and RFQ preparation. Confirm the exact figures and applicable standard with the manufacturer before specifying.
Quoted from the published standard.
3 companies list this product among what they make. Company figures are quoted from each company's own website; every card states where the relationship came from.
Manufacturer listings support early research and capability understanding. They are not certification, ranking, or transaction guarantees.
A practical evidence checklist for RFQ preparation and supplier evaluation.
CNFX does not score or rank suppliers. Buyers must verify all claims and documents with the legal manufacturer before ordering.
The set pressure range is 0.1 to 1.6 MPa, adjustable within that range. Always verify the exact set pressure for your application with the manufacturer.
The valve uses Stainless Steel 316 for wetted parts, Spring Steel for the spring, and PTFE seals. The body can be carbon steel or stainless steel (WCB/CF8/CF8M), and the seat material can be PTFE or PEEK, depending on chemical compatibility. Confirm material suitability for your process media.
The valve references ISO 5208 for flange dimensions and leakage testing, and ISO 4126-1 for set pressure and flow capacity. These standards are procurement references; they do not guarantee certification. Verify compliance with the manufacturer for your specific model.
The valve automatically opens when internal pressure exceeds the set point, releasing fluid to reduce pressure. It closes when pressure drops below the reseat pressure. This prevents overpressure conditions that could cause catastrophic failure, ensuring operational safety.
Editorial classification, named public sources where available, and source-reviewed manufacturer records.
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