cBallast
Industrial Parts Catalog
Datasheet generated 2026-06-07
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Bronze Flapper Sight Flow Indicator DN25 (1") — Borosilicate Window, PTFE Flapper

Generic · Valves · Sight Flow Indicators
Part Number
SFI-BR-FLP-DN25  ·  HS 9026.80
Bronze Flapper Sight Flow Indicator DN25 (1") — Borosilicate Window, PTFE Flapper

Bronze in-line sight-flow indicator with PTFE flapper and two borosilicate windows.

Technical Specifications

Bodybronze CC491K
Windowsborosilicate glass per DIN 7081
Gasketsgraphite-PTFE
FlapperPTFE / 316SS pivot pin
Nominal sizeDN25 (1")
ConnectionBSP F threaded both ends (DN25-DN50) / EN 1092-1 PN16 flanged (DN80-DN150)
PressurePN16
Temperature-10 to +120 °C
Direction of flowmarked arrow on body

Properties

MaterialBronze CC491K / PTFE flapper / borosilicate glass
MOQ1 ea

Compatibility

Form-fit envelope of Klinger KSF, Hempel Lock-Out, OPW, Jacoby-Tarbox 1010, Trupply and Penberthy LSV DN25 flapper-style sight-flow indicators.

Standards

Approvals