Iron Wafer Check Valve
Space-saving iron wafer check valve sandwiched between flanges for tight piping installations in HVAC systems. HTS 8481.30.20 applies to this iron check (nonreturn) valve design.
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More Specific Codes
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If perceived as flange spacers
Non-valve piping spacers classify as other fittings.
If air compressor discharge
Compressor outlet valves go with compressor parts.
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Import Tips & Compliance
• Specify ANSI bolt circle compatibility
• Gasket seating surface finish documentation
• Distinguish from spacers/reducers under pipe fittings
Related Products under HTS 8481.30.20
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Steel Silent Check Valve
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Cast Steel Piston Check Valve
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Steel Horizontal Inline Check Valve
Horizontal inline steel check valve for compressed air mains and irrigation systems, maintaining full pipe flow alignment. Under HTS 8481.30.20 as iron/steel nonreturn valve.
Threaded Steel Check Valve
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