Micro Water Pump EPDM Rubber Diaphragm

4 week ago

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Doit Rubber Products Co.,Ltd

 5 month year

Product details

This is a 2-port piston body for small coffee machines in pump-valve systems, a specialized component that complements the fluid control functions of Sealed Fluid Transfer Pumps and Micro Sealed Hydraulic Pumps in compact beverage equipment. As a key part of Precision Piston Assemblies tailored for household and small commercial coffee machines, it features a spire-like design: the top of the piston body is pointed, while the bottom gradually widens or takes a stepped shape. This structure facilitates precise pressing in narrow brewing chambers or portafilters, minimizing dead corners where coffee grounds accumulate. One end is equipped with a slender handle (similar to a "needle" structure) — this handle is used to connect to manual operating levers or mechanical transmission components, enabling easy pressure application or movement stroke control. Its design aligns with the functional precision requirements of Pistons and Reciprocating Pistons in small-scale fluid pressure systems.

Product Features

1.Function:In small coffee machines (especially manual or semi-automatic models), its core function is to compact coffee grounds and assist in extraction: after coffee grounds are filled into the portafilter, this component, via external force transmitted through the needle-shaped handle (manual pressing or mechanical drive), evenly squeezes the coffee grounds with its spire-shaped bottom. This ensures uniform density of the coffee bed, preventing the "channeling effect" (local over-extraction or under-extraction) caused by loose and uneven coffee grounds during extraction. This pressure application role complements the fluid delivery accuracy of Sealed Fluid Direction Control Valves and Sealed Diaphragm Pumps in coffee brewing systems.

2. Required Characteristics

1)High Surface Smoothness: It reduces adhesion to coffee grounds for easy cleaning and prevents scratching the inner wall of the portafilter. This surface property is consistent with the wear-resistant and easy-to-maintain standards of Hydraulic Piston Components in food-related equipment.

2)Food Safety: As it comes into contact with coffee grounds and hot water, it must comply with food contact material standards (e.g., FDA certification) and not release harmful substances. This safety requirement aligns with the material specifications of Precision Piston Assemblies used in beverage production.

3)Structural Stability: The needle-shaped handle and spire-shaped main body must be firmly connected to avoid loosening or breaking during pressing. This structural reliability meets the mechanical strength requirements of Pistons and Reciprocating Pistons in repeated pressure application scenarios.

4)Dimensional Adaptability: The diameter of the spire’s bottom must match the portafilter of the coffee machine to ensure full coverage of the coffee bed and uniform pressure application. This dimensional precision is comparable to the fitting standards of Multi-Port Piston Units and auxiliary components in small-scale pump-valve systems.

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Doit Rubber Products Co.,Ltd

 Audited supplier

5 month

Address: Huizhou, China

Main Product: Precision O-ring Seal , Mini Valve Seal, Micro Pump Seal, Seals for Rubber Connector, Seals for Gasket, Medical Silicone Seal

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