How Flat Scored Rupture Discs Are Matched to Different Operating Conditions and Equipment Requirements

2025-12-27

Pressure systems play a critical role in modern industrial safety. In industries ranging from chemical, petroleum, and natural gas to energy, power, metallurgy, pharmaceuticals, and high-pressure storage and transportation, pressure vessels, pipelines, reactors, and boilers may face the risk of overpressure. As an important safety device in these systems, Flat Scored Rupture Discs can quickly rupture to release pressure when the pressure or temperature rises abnormally, preventing equipment damage and safety incidents, and ensuring the safety of personnel and production. The material of a rupture disc can be selected to match the specific operating conditions and requirements.


 Flat scored rupture disc


Common Materials for Flat Scored Rupture Discs and Their Operating Conditions:

1.Stainless Steel:
Flat Scored Rupture Discs made of stainless steel offer excellent corrosion resistance and hardness, suitable for gas and liquid systems at normal temperature and pressure. They can accurately rupture when system pressure exceeds the set value, releasing pressure in time to prevent equipment damage or production accidents. Stainless steel discs are easy to maintain and are ideal for use in chemical, pharmaceutical, energy, and general industrial pipelines and pressure vessels.

2.High-Nickel Alloys:
Flat Scored Rupture Discs made of high-nickel alloys provide excellent high-temperature and corrosion resistance, maintaining material strength and burst pressure stability even in strong acidic or alkaline environments. This material is suitable for high-temperature, highly corrosive, or chemically reactive conditions, ensuring that the disc responds reliably under these demanding conditions. These discs are commonly used in chemical reactors, offshore equipment, specialized energy systems, and other high-risk industrial environments.

3.Copper Alloys or Pure Copper:
Copper is relatively soft and can be precisely fabricated into various complex shapes, fitting different equipment interfaces. Copper rupture discs also produce minimal fragments upon bursting, reducing damage to downstream equipment. With good thermal conductivity, copper discs quickly transfer heat from the medium, preventing local overheating from affecting rupture stability. They are suitable for low-pressure systems or conditions with lower corrosion requirements, such as cooling systems, cryogenic applications, or laboratory equipment.

4.Surface-Coated or Special-Treated Materials:
Flat Scored Rupture Discs with surface coatings or special treatments offer enhanced wear resistance and corrosion resistance. These discs have longer service life in operating conditions with diverse media, scaling tendencies, or potential abrasion risks. They are suitable for production environments where the medium contains solid particles, highly mineralized aqueous solutions, or weakly acidic/alkaline fluids prone to scaling.

 

Founded in 1959, Shenyang Xinguang Aerospace Safety System Co., Ltd. is a professional manufacturer of Flat Scored Rupture Disc safety devices, integrating research and development, production, sales, and service. The company holds more than 30 independent intellectual property rights and focuses on the innovation and development of rupture disc devices. Adhering to the development philosophy of "Focus, Integrity, Safety, and Efficiency," the company is committed to providing reliable safety solutions for the market and users.

You are welcome to contact us at sales@syxghy-ss.com. We look forward to collaborating with partners across industries to create a safe and efficient future together.


Get the latest price? We will reply as soon as possible (within 12 hours)