Stainless steel 304 316L sight glasses：

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Stainless steel sight gauges:

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Steel Flange fused glass oil sight glass nickel plated, stainless steel fused sight glass,Fused glass style sight windows

Feature glass to metal bond for utmost reliability.

Plated steel bodies have convenient hex wrench surface.

Connection are Standard NPT, UNC, UNF and BSP (G thread) from 1/4" to 2".

Windows are clear, ripple free, and flush with the front face,

Having no recess on which dirt might collect.

Specifications:

Service: Compatible gases and liquids.

Window: nature glass.

Body:  plated steed and stainless steel 304, SS316

Temperature: -30'C to 260 'C (500 F).

Pressure: 125 psig (8.6bar)

Connections: NPTF, NPT, UNC, UNF, Metric and BSP (G thread)

Size:  1/4" to 2"

MOQ: 1000 Pcs each size

Delivery time: 20 days.

Usage:  Pump, Thin-wall container, Radiator, Hydraulic reservoir, receivers, Gearboxes, Speed Reducer, Compressor and Power Transmission.