Diaphragm pumps
Part of: 84135000 — Other reciprocating positive displacement pumps
N362037 · 2026-06-29 — The tariff classification of pumps from China
Product one is referred to as the F2 Air Pump Assembly. The assembly consists of a motor, a cooling fan and a scroll air compressor that features mounts that secure it to machines, such as a dental milling tool. The assembly has a power output of 312 Watts and is primarily constructed of aluminum alloy. Product two is referred to as the F2 Coolant Pump Assembly. The assembly consists of an automatic 3-chamber diaphragm pump, a pump head, an elastomer diaphragm, a motor, an armature core, wiring and a casing. The function of the assembly is to deliver coolant to the spindle of a dental tool.…
N354856 · 2025-11-07 — The tariff classification of a pump mechanism from Switzerland
Descriptive information was submitted for review. The product under consideration is referred to as a pump mechanism, part number 742140. The mechanism is configured as a positive displacement pump that is comprised of a body that encases a piston, a diaphragm, springs, a spindle, an inlet and additional components. Once imported, the pump mechanism is installed into the housing of a Portal Pump. The Portal Pump is an automated insulin delivery system that connects to a mobile controller application and a glucose monitor via Bluetooth Low Energy technology to manage Type 1 diabetes. In your…
N354453 · 2025-10-24 — The tariff classification of breast pump kits from South Korea
Ltd., you requested a tariff classification ruling. Descriptive information was provided in the submission. The products under consideration are breast pump kits, models Cimilre S6 Plus, Cimilre Dual Pro, Cimilre El, Cimilre Motif Luna with battery and Cimilre Motif Aura. The Motif Aura model is comprised of a wearable breast pump packaged with silicon inserts, a diaphragm, a breast shield, a valve, a bottle, a nipple, a cap and a USB-C cable. The remainder of the kits are comprised of a main pumping unit packaged with a breast shield, a valve, upper and lower backflow or diaphragm…
N351123 · 2025-07-22 — The tariff classification of pump assemblies from China
Descriptive information was submitted for review. The products at issue are pump assemblies, item numbers 2240-1B1-10E and 2240-1B1-10E SB. The assemblies are comprised of a reciprocating diaphragm pump coupled to an electric motor. The fluid pump, which is primarily constructed of plastic material, features valves, an inlet, an outlet and a pressure switch that shuts off power to the motor once a certain level of pressure is attained. The pump assembly is designed to be mounted onto mobile spraying units used in agricultural applications. The applicable subheading for the pump assemblies…
c83789 · 1998-02-24 — The tariff classification of an air operated fluid pump from Spain.
The item in question is identified as a "Tecno-matic" pump and described as an air operated double diaphragm pump. The pump is used in industrial applications for pumping a variety of fluid materials. A sample was submitted. The Tecno-matic pump is an air driven reciprocating positive displacement pump. The pump is equipped with two diaphragm chambers connected by a rod. When pressurized air enters one of the chambers, pressure is exerted on its diaphragm, forcing any fluid contained in that chamber out through a discharge port. While one chamber is being emptied, the connecting rod pulls on…
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