Monel Alloy Diaphragm Valve Body
Corrosion-resistant Monel (Ni-Cu) body for diaphragm valves in chemical processing, HTS 8481.90.90.20 for 8481.20 valve parts. Houses the flexible diaphragm for corrosion-free flow control.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If of nickel other than Monel
Pure nickel valve bodies classify under Chapter 75 nickel articles.
If for float zone crystal growers
Special provision for semiconductor crystal growth equipment valves.
If lined with PTFE diaphragm material
Plastic-lined metal bodies may classify as plastic articles if lining predominates.
Not sure which classification is right?
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Import Tips & Compliance
• Certify nickel content (>50%) with melt analysis to avoid steel classification
• Specify chemical resistance ratings in commercial docs
• Use HTSUS advisory rulings for exotic alloys if uncertain
Related Products under HTS 8481.90.90.20
Stainless Steel Gate Valve Body
A precision-machined stainless steel housing for gate valves used in high-pressure pipeline systems, classified under HTS 8481.90.90.20 as a valve body part of subheading 8481.20. It forms the main structural component that houses the gate mechanism and sealing elements for controlling fluid flow.
Brass Ball Valve Body
Machined brass body for ball valves in water and gas distribution systems, falling under HTS 8481.90.90.20 as the core housing for the ball and stem assembly in subheading 8481.20 valves. It provides corrosion resistance and pressure containment for shut-off applications.
Aluminum Butterfly Valve Body
Lightweight aluminum cast body for butterfly valves in HVAC and low-pressure systems, classified in HTS 8481.90.90.20 as part of 8481.20 subheading valves. It accommodates the rotating disc for flow regulation in ductwork.
Carbon Steel Check Valve Body
Forged carbon steel body for check valves preventing backflow in oil/gas pipelines, under HTS 8481.90.90.20 for subheading 8481.20 valve parts. Designed to house swing or lift disc mechanisms.
Cast Iron Globe Valve Body
Heavy-duty cast iron body for globe valves in steam and water systems, classified HTS 8481.90.90.20 as valve body of 8481.20 subheading. Contains the internal plug/seat for throttling control.
Titanium Pressure Reducing Valve Body
High-strength titanium body for pressure-reducing valves in aerospace fuel systems, under HTS 8481.90.90.20 as part of 8481.20 valves. Engineered for extreme temperatures and lightweight performance.