• A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
  • A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
  • A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
  • A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
  • A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
  • A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve

A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve

Media: Steam etc
Certification: CCC, ISO, CE
Temperature: Ordinary Temperature
Connection: Flange
Pressure: Adjustable
Closed: Open
Customization:
Manufacturer/Factory & Trading Company
Diamond Member Since 2024

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Zhejiang, China
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  • Overview
  • Product Parameters
  • Detailed Photos
  • Certifications
  • After Sales Service
  • Application Scope
  • FAQ
Overview

Basic Info.

Model NO.
A38H
Structure
Spring
Material
Wcb
Suitable Temperature
Below 350 Deg C
Application
Steam Pipeline
Pressure Range
Pn16-Pn64
Product Structure
Spring Loaded Full Lift Type
Color
Customizable
Mafnufacture License
Tsf733049-2027
Transport Package
Plywood Case
Specification
DN50-DN150
Trademark
ONN
Origin
China
HS Code
8481400000
Production Capacity
48000PCS/Year

Product Description

A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
This valve is equipped with two safety valves of the same model and specification on a Y-shaped joint, and its nominal diameter refers to the inlet diameter of the Y-shaped joint.
This valve is suitable for steam, air, and other media with a working temperature of ≤ 350c on equipment or pipelines. When the pressure inside the equipment or pipeline exceeds the allowable value, the valve will automatically open and then discharge in full. When the pressure drops to the specified value, the valve will automatically close to ensure safe operation of the equipment.

 

Product Parameters

A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve

DN(mm) size
L L1 B DN` do 
50 200 225 165 40 2*20
80 230 270 190 65 2*32
100 235 285 220 80 2*40
150 320 375 250 125 2*65
 
Detailed Photos




 
A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve
 

 

Certifications

A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve

After Sales Service

The company provides valve routine maintenance as well as training service for troubleshooting of common faults; provides remote or on-site valve review, installation and operation technical guidance; user's technical quality consultation will be replied within 24 hours; 18 months of product warranty period is provided (18 months in national standard); provide 24 - hour technical support hotline; provide various forms of after sale service for free during the warranty, provide life time after sale service and limited supply of free wearing parts for 18 months.
 

Application Scope

A38h Model Twin-Action Spring-Loaded Double-Port Fully-Lifted Safety Relief Valve

FAQ

Q1:what is the safety valve ?
1. The main purpose of safety valves is to protect life, property and the environment. A safety valve is designed to open and release overpressure in a container or device, and to re-close and prevent further fluid release when it returns to its normal state.
2. A safety valve is a safety device that is in many cases the last line of defense. It is important to ensure that the safety valve can operate at all times and under all circumstances. Safety valves are not process valves or pressure regulators and should not be abused. It should be run for one purpose only: overvoltage protection.\

Q2:How does a Safety Valve work?
The working principle of a safety valve can be summarized as follows:
1. Open: When the system pressure exceeds the set pressure of the safety valve, the valve disc opens under the action of medium pressure and spring force, releasing pressure.
2.Keep open: When the system pressure stabilizes within the set pressure, the spring stabilizes, the system remains under stress, and the safety valve remains open.
3. Close: When the system pressure is lower than the set pressure of the safety valve, the spring cannot lock and seal, and the valve disc closes under the action of medium pressure, and the medium pressure no longer increases.
 

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Diamond Member Since 2024

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Manufacturer/Factory & Trading Company
Number of Employees
89
Year of Establishment
2003-01-21