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Datasheet generated 2026-06-07
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Stainless Steel 316L Bell Reducer 4" × 3" BSP — PN40 F/F

Generic · Pipes, Fittings & Flanges · Stainless Threaded Fittings
Part Number
BLR-SS316L-4-3-PN40  ·  HS 7307.22
Stainless Steel 316L Bell Reducer 4" × 3" BSP — PN40 F/F

Cast stainless steel 316L (1.4404) concentric bell reducer, two female BSP parallel threads, reducing from 4" to 3". PN40 rated, NACE MR0175 compliant.

Technical Specifications

MaterialASTM A351 CF8M / 316L (1.4404)
Connections4" female BSP × 3" female BSP (parallel — ISO 228-1)
Pressure ratingPN40 (40 bar / 580 psi) at 100 °C
Temperature-45 to +200 °C
FinishPickled and passivated
Thread profileBSP parallel both ends

Properties

Material316L stainless (CF8M)
Pressure ratingPN40
Temperature range-45 to +200 °C
MOQ1 pc

Compatibility

Equivalent to Geko, ASCO Pipe Fittings, Sandvik 316L bell reducers 4" × 3".

Standards

Approvals