FlowBiz Exports Brass High Pressure Safety Relief Valve with BSP end connection and pull ring mechanism

Brass High Pressure Safety Relief Valve

Introduction

In high-pressure fluid power, compressed air, and process systems, preventing catastrophic overpressurization is critical to protecting personnel, equipment, and piping integrity. The Brass High Pressure Safety Relief Valve supplied by FlowBiz Exports Pvt. Ltd. is engineered to provide precise, automatic pressure relief whenever system pressure exceeds predetermined safety thresholds. Manufactured from forged brass and featuring a robust spring-loaded mechanism, this compact valve safeguards air compressors, pressure vessels, pneumatic lines, and gas storage setups across diverse industrial applications.

Product Overview

The Brass High Pressure Safety Relief Valve acts as an essential emergency venting device. Under normal operating conditions, an internal calibrated spring keeps the valve disc firmly seated against the inlet port. If line pressure rises above the set pressure point, the force exerted by the fluid overcomes the spring tension, popping or lifting the disc to discharge excess pressure rapidly.

Key design features observed on the product unit include:

  • Forged Brass Body: Delivers high tensile strength, excellent corrosion resistance, and structural durability under high cyclic pressure.
  • Threaded End Connection: Features standard male BSP (British Standard Pipe) threads for fast, reliable installation into manifolds, vessels, or pipeline headers.
  • Pull Ring / Manual Test Ring: Equipped with a top metal ring to allow manual easing and periodic operational testing of the seat and spring assembly.
  • Clear Marking & Tagging: Stamped pressure indicators (e.g., 3.5 bar set mark) and dedicated specification tags displaying key temperature rating ranges (-20°C to 200°C).

Technical Specifications

 

Parameter

Specification

Product Name

Brass High Pressure Safety Relief Valve

Valve Type

Spring-Loaded High Pressure Safety / Pressure Relief Valve

Nominal Size / Connection

1/4" / 3/8" / 1/2" Male BSP Threaded End [As tagged on product unit: BSP Male]

Body Material

Forged Brass / Extruded Brass

Internal Components

Stainless Steel Spring / Brass Disc & Stem

Pressure Rating / Set Range

High Pressure Range (e.g., set pressure marks include 3.5 kg/cm² / bar upwards)

End Connection

Screwed / Threaded Male BSP

Operating Mechanism

Spring-Loaded Direct Acting with Manual Testing Ring

Operating Temperature Range

-20°C to 200°C [As explicitly verified on tag: -20°C TO 200°C]

Applicable Standards

Design & Testing: Standard ASME / ISO industrial pressure equipment guidelines

Key Features

  • High-Grade Forged Brass Body: Provides superior resistance to mechanical stress and atmospheric corrosion in air and gas utilities.
  • Manual Testing Pull-Ring: Enables plant operators to manually test seat freedom and relief functionality during routine maintenance checks.
  • Compact Threaded Design: Simplifies direct mounting onto air receivers, manifold blocks, and compact equipment skid packages.
  • Wide Operating Temperature Band: Performs reliably across severe thermal variations ranging from -20°C up to 200°C.

Working Principle / Operating Mechanism

  1. Normal Operation: System pressure remains below the set setpoint. The internal spring holds the valve plug closed, creating a leak-tight seal.
  2. Overpressure Event: When line pressure surpasses the spring's set cracking point, the upward fluid force pushes against the spring, raising the disc.
  3. Pressure Discharge: Excess air, gas, or liquid vents through side exhaust ports, instantly relieving peak system pressure.
  4. Reseating: Once system pressure drops back to safe operating levels, the spring forces the disc back into position, sealing the valve automatically.

Applications

  • Air Compressors & Receivers: Installed on air tank headers and compressor stages to prevent overpressure buildup.
  • Pneumatic Systems: Protects downstream pneumatic automation circuits and distribution lines.
  • Boiler Utilities & Steam/Gas Lines: Serves as auxiliary overpressure safety on non-corrosive gas manifolds.
  • Hydraulic & Fluid Power Units: Used as a pressure relief bypass in low-viscosity fluid systems.
  • Gas Cylinder Regulators: Safeguards regulation skids and gas storage banks.

Benefits

  • Enhanced Plant Safety: Prevents costly equipment failure and pipe bursting caused by sudden pressure spikes.
  • Quick & Simple Installation: Threaded male BSP ends ensure effortless integration without requiring specialized flanged fittings.
  • Low Maintenance: Minimal moving components ensure long service life with simple pull-ring testing routine.
  • Corrosion Resistant: Brass construction resists degradation from moisture and standard industrial gases.

Material, Design and Configuration Options

  • Body Construction: Precision brass body featuring hex wrench flats for easy tightening.
  • Thread Options: Standard BSP male connections; NPT threads available upon order specification.
  • Pressure Settings: Factory pre-set ratings customized to customer line safety limits.

FlowBiz Exports — Product Supply and Enquiries

FlowBiz Exports Pvt. Ltd. is a leading supplier and exporter of industrial valves, safety accessories, and flow control equipment headquartered in Ahmedabad, Gujarat, India. FlowBiz Exports caters to industrial client needs across key manufacturing hubs including Ahmedabad, Vatva, Odhav, Surat, Mumbai, Pune, and international export markets. For specific set-pressure customization, sizing assistance, or formal price inquiries, reach out to the FlowBiz sales team through their website or official support channels.

Conclusion

The Brass High Pressure Safety Relief Valve is a vital protective line device designed to guarantee operational safety in compressed air, gas, and fluid loops. Its rugged brass structure, precise spring mechanism, and reliable temperature envelope (-20°C to 200°C) make it a dependable choice for industrial system designers. Sourcing through FlowBiz Exports Pvt. Ltd. guarantees quality-tested valves tailored to your exact plant safety standards.

Frequently Asked Questions (FAQs)

Q1: What is the primary purpose of a Brass High Pressure Safety Relief Valve?

It is designed to automatically discharge excess gas, air, or liquid from a pressurized system when pressure exceeds a pre-set safety limit, protecting equipment from overpressurization damage.

Q2: What is the operating temperature range for this brass relief valve?

Based on product specifications, this valve operates within a temperature range of -20°C to 200°C.

Q3: What is the purpose of the ring attached to the top of the valve?

The top ring (pull ring) allows operators to manually lift the internal stem to test the valve mechanism and ensure the seat is clear of debris.

Q4: Which end connections are standard for this valve?

It features standard male BSP (British Standard Pipe) screwed end connections for easy direct mounting.

Q5: How do I request pricing and set-pressure options from FlowBiz Exports?

You can contact FlowBiz Exports Pvt. Ltd. via email at info@flowbizexports.com, through their website [https://www.flowbizexports.com/](https://www.flowbizexports.com/), or by phone to specify your required pressure setting and connection size.

Technical Sources