High Pressure Spring Loaded Safety Relief Valve

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High Pressure Spring Loaded Safety Relief Valve

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Product Description

Basic Specifications

Model NO.

High pressure spring loaded safety relief valve

Temperature

-196℃ ~ 300℃

Connection

Flange

Pressure

Adjustable

Closed

Open

Structure

Spring

Material

Cast Iron

Pressure Standard

Pn16 ~ Pn420

Package

Plywood

Specification

3/4" - 16"

Trademark

OEM

Origin

China

Product Description

⚙️ Materials of Construction

Ref.No	Part Name	C	CS	C6	C9	CM	CC	CB	L
1	Body	WCB	WCB	WC6	WC9	WCB	WCB	WCB	LCB
2	Nozzle	304	316	316	316	Monel	H. C	H. B	304
3	Nozzle Ring	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M	CF8M
5	Disc	304	316	316	316	Monel	H. C	H. B	304
9	Spring	Alloy St.	Alloy St.	Alloy St.	Alloy St.	SS/Alloy	SS/Alloy	SS/Alloy	Alloy St.

Pressure Ratings & Standards

Flange pressure(Class) code
Code	1	2	3	4	5	6	7
Class (Lb/MPa)	150/2.0	300/5.0	300/5.0	600/11	900/16	1500/26	2500/42

🛡️ Professional Manufacturing & Quality

With 20 years of production and sales experience, we provide safe and reliable API, JIS, DIN Standard ball valves, gate valves, globe valves, check valves, and fitting flanges for pipeline fluids. All products carry API6D, CE, and ISO certificates.

Casting room: 8 casting lines, 20,000 square meters. 2,000 Ton / Year
Workshop: 40,000 square meters, 270,000 Valves / Year
Main materials: WCB, CF8, CF8M, CF3, CF3M, Duplex, Brass, Cast Iron
Pressure range: 150LB to 2,500LB (PN16 - PN160)

Frequently Asked Questions

What is the temperature range for these safety relief valves?

The valves are designed to operate efficiently within a temperature range of -196℃ to 300℃, making them suitable for both cryogenic and high-temperature applications.

Which international standards do your valves comply with?

Our valves are manufactured according to API, JIS, and DIN standards. We also hold API6D, CE, and ISO certifications to ensure global compliance and safety.

What are the available sizes and connection types?

We offer sizes ranging from 3/4" to 16" with standard flange connections. Other connection methods like RF, RTJ, FF, and BW are also available.

Can the set pressure be adjusted?

Yes, these are high-pressure spring-loaded valves with adjustable pressure settings to meet specific operational requirements.

What materials are used for the valve body and internal parts?

Standard materials include Cast Iron, WCB, CF8, CF8M, CF3, and CF3M. Internal components like nozzles and discs are often made from 304 or 316 stainless steel, Monel, or Alloy Steel depending on the requirements.

What is your annual production capacity?

Our facility has a production capacity of approximately 270,000 valves per year, supported by 8 casting lines and specialized automatic production lines.