Thorburn S99Z — HP Fully Compressed Annular, Type 321 SS, Nuclear CRN-Rated

The Thorburn S99Z — HP Fully Compressed Annular, Type 321 SS, Nuclear CRN-Rated is a high-pressure metallic product. HP fully compressed annular nuclear-grade (Type 321) for service that exceeds the rating envelope of standard SS Annular hoses. Working pressure to 414 bar.

Construction

• Type: High-Pressure Metallic — HP fully compressed annular nuclear-grade (Type 321)
• Construction: Annular Corrugated
• Core / wrap material: Type 321 SS
• Braid: Triple Braid — Type 304 SS
• End fitting material: Nuclear-grade SA240 T-321 SS — CRN-monogrammed
• Nominal ID range: DN 6 (1/4") to DN 100 (4")
• Bend radius (static / dynamic): 110 / 650 mm minimum
• Weight: ~0.95 kg/m

Performance

Working pressure 414 bar (smallest bore, triple braid configuration). Burst pressure 1656 bar. Safety factor 4:1 per ISO 10380. Operating temperature -200°C to +650°C continuous. All assemblies hydrotested at 1.5× working pressure with witness-test certificate available.

Applications

• Nuclear power plant primary loops
• CRN-monogrammed nuclear systems
• Nuclear-grade HP process
• ASME Section III Class 1 service

Compliance

• ISO 10380:2012 PSL 3
• Pressure Equipment Directive 2014/68/EU Module H
• ASME Section III Class 1 NPT, ASME B31.1, B31.3
• NACE MR0175 / ISO 15156 (sour-service compliant)
• CSA N299.1, CSA N285.0, CRN-monogrammed
• EN 10204 3.1 / 3.2 mill test reports on request

How to order

Confirm (a) line working pressure (or for fire-protection: the host hose specification), (b) operating temperature range, (c) bore size and overall length, (d) end fitting style, (e) braid count where applicable, (f) any required certifications. Indus quotes ex-OEM with mill test reports and pressure-test certificates.

Companion products

Pair with matched-pressure flanged or threaded fittings, plus thermal insulation jackets for elevated-temperature service. Indus also supplies matched ANSI flanges, gaskets, and stud bolts.