Resideo Braukmann BA300 Spares - Inlet Check Valve

Resideo Braukmann BA300 Spares - Inlet Check Valve

This replacement inlet check valve is designed specifically for the Resideo Braukmann BA300 Class 4 Backflow Preventer RPZ Valve - Category 4.

Part Numbers:

0904052, 0904053, 0904054, 0904055, 0904056

Ensure the efficiency and reliability of your backflow prevention system with our high-quality inlet check valve. Ideal for use with the Resideo Braukmann BA300 Backflow Preventer, this replacement part meets stringent UK standards for plumbing and water safety. Compatible with various part codes, it's essential for maintaining the integrity of your RPZ valve. Order now to keep your plumbing system safe and compliant.

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Safety Relief Valve Recertify / Recalibration Safety Relief Valve Recertify / Recalibration

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Medenus R101US Gas Pressure Relief Valve

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FSSCDF - Forward Acting Rupture Discs

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The FSSCDF Forward Acting Rupture Discs feature precision micro-scored sections that open in controlled petals, using four, six, or more radial score lines to ensure a clean, reliable opening while minimising the risk of petal separation. This design makes them particularly well suited for high burst pressure applications and for systems operating under cycling or pulsating conditions with gases or liquids, without compromising safety margins.

These discs respond to overpressure within milliseconds, opening fully without fragmentation, and are ideal for protecting safety relief valves. They support an operating-to-burst pressure ratio of up to 85%, offer excellent corrosion resistance, and can be further enhanced with an optional PTFE lining. In many applications, the discs can also withstand full vacuum conditions without additional supports, providing flexible installation options.

Key Specifications:

  • Sizes: 1" (DN25) to 36" (DN900)

  • Materials: Stainless steel, Alloy 201, 400, 600, 625, C276, Titanium

  • Burst Pressure Range: 2–413 bar g (30–6000 psi g), depending on size and material

  • Krl: 1.33

  • Tolerance: ±5% to ±20%

  • Operating Margin: Up to 85%

  • Temperature Range: –196°C to 600°C

  • Fragmentation: None – clean, petal opening

  • Use Under Valve: Yes

  • Corrosion Resistance: Very good

  • Linings: Optional

  • Holders: FSHI/A, FSHI/P, FSHI/F, FSHTC

  • Rupture Detection: Electrical, Magnetic, Inductive, Optical

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

Flowstar UK Ltd

Flowstar (UK) Ltd

Wiltshire Road, Kingston-upon-Hull, East Riding of Yorkshire, HU4 6PA, United Kingdom

Flowstar (UK) Ltd is a leading global supplier of safety, relief, and reducing valves. With strong partnerships across major manufacturers, we deliver precise, reliable valve solutions tailored to your needs. Email enquiries to sales@flowstar.co.uk or call us on +44 (0)1482 601030.