ASTM A182 F304 Safety Valve, DN8, PN350, Card Sleeve Joint

ASTM A182 F304 Safety Valve, DN8, PN350, Card Sleeve Joint

Key Specifications / Features

The ASTM A182 F304 Safety Valve is a high-pressure safety valve designed for critical applications. Manufactured from forged stainless steel, it offers superior durability and corrosion resistance. With a DN8 (1/4 inch) size and rated for PN350 (Class 2500 LB) pressure, this valve ensures reliable performance under high-pressure conditions. It features card sleeve jointed ends for secure and efficient installation.

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Detail Information

Product Name: High Pressure Safety Valve
Body Material: ASTM A182 F304
Size: DN8, 1/4 Inch
Pressure: PN350, Class 2500 LB
End Connection: Card Sleeve Joint
Application: Chemical, Petroleum

The high-pressure card sleeve joint safety valve is primarily designed for use in steam boilers, dyeing machinery, garment steaming and ironing machines, leather machinery, chemical corrosion-resistant machinery, water treatment equipment, and food machinery. Constructed from bronze material, it is compatible with air, steam, water, and similar media. The main function of the micro-opening imported high-pressure stainless steel pressure relief valve is to maintain system pressure below the set threshold. When the system pressure exceeds the set pressure of the relief valve, it automatically opens to release excess pressure, thereby protecting the system.

Technical Specification

» Product model: A94Y
» Nominal diameter: DN6-DN80
» Disc opening height: full lift 
» Pressure environment: high pressure
» Connection method: Card Sleeve
» Structural form: Spring type
» Material: ASTM A182 F304, F304L, F316, F316L
» Application scope: chemical, petroleum, pharmaceutical, textile, etc

Operating Principle

After installing in the piping system, the safety valve will work automatically when the pressure of medium in the system is reaching to set value. It releases pressure to protect the system.

Structural Diagram
High Pressure Safety Valve Structural Diagram

Main Parts and Materials

No

Name of Parts

Materials

Materials

1

Body

SS 304

SS 316

2

Insert

SS 304

SS 316

3

O-ring

FKM

FKM

4

Seat Nut

SS 304

SS 316

5

Gasket

SS 304

SS 316

6

O-ring

FKM

FKM

7

O-ring

FKM

FKM

8

Stem

SS 304

SS 316

9

Bonnet

SS 304

SS 316

10

Spring seat

SS 304

SS 316

11

Lock Nut

SS 304

SS 316

12

Spring

SS 304

SS 316

13

Cap

SS 304

SS 316

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