Resideo Braukmann BA300 Spares - Sealing Set

The FSKRDA rupture discs use advanced sector technology, ensuring the convex disc camber remains unchanged by operating pressure until reverse pressure is reached. Designed for high reliability, they handle up to 95% operating-to-burst pressure ratios and thousands of cycles without compromising performance. On activation, the disc opens fully along the scored line within milliseconds, without fragmentation. These discs are less sensitive to temperature variations, making them ideal for applications with wide thermal swings.

Their innovative design allows safe use with liquids only, including cycling and pulsating conditions, without reducing safety margins. They are particularly suitable for isolating safety valves. A wide range of materials and thicknesses provides excellent corrosion resistance, further enhanced with optional PTFE linings. Vacuum support is not required, and the discs can withstand high counter-pressures.

Specifications:

• Sizes: 1" (DN25) to 36" (DN900)

• Materials: Stainless steel, Alloy 201, 400, 600, C276, Titanium

• Rupture Pressure: 0.41–137 bar g (6–2000 psi g)

• Krl: 0.48

• Tolerance: ±5% to ±20%

• Temperature Range: –196°C to 480°C

• Operating Margin: 90–95%

• Fragmentation: None

• Use Under Valve: Yes

• Corrosion Resistance: Very good

• Linings: Optional PTFE

• Holder Options: FSHR/A, FSHR/P, FSHR/F, FSHTC

• Rupture Sensor: Electrical, Magnetic, Inductive, Optical

• Certifications: ASME (UD Stamp), PED (CE), ATEX EX II 2 GD

• Notes: Compliant with ASME Section VIII, Division 1 requirements

**Product Specification** **Sizes Available:** 1/2", 3/4", 1", 1 1/4", 1 1/2", 2", 2 1/2" **Connections:** Screwed BSPP or NPT **Materials Used:** Stainless Steel 316 **Disk Options:** EPDM, PTFE, AF100 or Viton **Joints & Seals:** Diaphragm options available in EPDM, PTFE, AF100 or Viton **Suitable Mediums:** Steam, Gases, and Liquids **Set Pressure Range:** 0.35 to 62 Barg (varies depending on size) **Cv Range:** **Temperature Ratings:** **Certifications:** **Additional Information:** This is the screwed version of the Niezgodka Type 81, designed for enhanced performance and reliability in various applications. Ideal for industries requiring high-quality materials and precision engineering. Optimise your operations with our premium range of Niezgodka Type 81 valves, perfect for regulating steam, gases, and liquids.

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