Safety Relief Valve

Overview

The primary function of a safety valve is to protect property and life. Because a safety valve is often the last device to prevent catastrophic failure under pressure conditions, the valve must work at all times i.e. it must be 100% reliable. Safety valves should be installed wherever the maximum allowable working pressure of a system is.

The pressure-containing vessel is likely to be exceeded, in particular under fault conditions due to the failure of another piece of equipment in the system. The term “Safety Valve” and “Relief Valve” are generic terms to describe a variety of pressure relief devices. A wide range is available based on the application and required performance criteria.

Products

Specifications

Sizes Range

• DN 50(2”) to DN 1000 (25”)

Pressure Rating

• Set Pressure Range- 15 psig to 6250 psig.

Design Standards

• API 600, API 603, ASME B 16.34
Testing Standard

Testing Standard

• API 598

Operations

Manual

• Bare-shaft, hand wheel & Gearbox.

Automation

• Electric, Pneumatic, and Hydraulic Actuators.

End Connection

• Screwed end, Flange end, Socket weld

Special Features

• Possess good temperature and chemical properties.

• Pumps and compressors or other equipment failures.

• Heat input from associated equipment/ external source.

• The set pressure is unaffected by the valve backpressure.

• The system can be operated at maximum working pressure.

• Failure of a cooling system allowing vapour or fluid to expand.

• An inlet nozzle to be connected to the system requiring protection.

• Inherently Safe Design simply can’t eliminate every pressure hazard.

Shutoff Rating

• Zero Leakage for Soft Seated & Metal Seated as per API 598 or STD.

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