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China, Chinese Gmehk 24VDC Food Grade Solenoid Valve PPS Body for Coffee Machine1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
ValveSolenoid ValvePlastic Solenoid ValveFood-Grade Solenoid Valve for Espresso Machine
Suzhou Lang's Electronic Technology Co., Ltd.
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Product Description 330,331 series solenoid valve is mainly used for coffeemachine and beverage industry with high standard of foodsafetyapproval.The solenoid valve is in 2-and 3-wayscategories. This series provided different connection andvoltage to fulfill different types of demand with differentinternational certification standards. Core Material PropertiesBody MaterialFood-grade POM (Polyoxymethylene), PP (Polypropylene), or PVDF (Polyvinylidene Fluoride), compliant with FDA 21 standards for food contact safety.Material CharacteristicsCorrosion Resistance: Resists organic acids in coffee (e.g., citric acid), detergents, and moisture, ideal for daily cleaning.Temperature Tolerance:PVDF: -40°C to +150°C ( systems up to 120°C).PP: -30°C to +80°C (suitable for cold/warm water).POM: -40°C to +100°C (suitable for hot water up to 95oC.Lightweight & Impact Resistance: 50% lighter than stainless steel, with high tensile strength (POM: ≥62 MPa) for durable mechanical stress. Technical Parameters 1. Flow & Pressure SpecificationsOrifice Size: 1/8, compatible with coffee machine water lines (e.g., 1/4" quick-connect fittings).Flow Rate: 0.2-5 L/min, precision control for espresso extraction (e.g., 30mL in 25s) or drip coffee brewing.Working Pressure:Low-pressure: 0.05-0.6 MPa (0.5-6 bar) for household drip machines.Medium-pressure: 0.6-1.0 MPa (6-10 bar) for semi-automatic espresso machines. Pressure Resistance: Up to 1.5 MPa burst pressure to prevent system failure. 2. Electrical & Dynamic ParametersPower Supply: AC 110V/220V, DC 12V/24V (low power consumption: 3-15W).Response Time: ≤80ms (opening/closing), ensuring precise water flow timing for coffee extraction.Coil Protection: IP65 waterproof rating, with heat-resistant epoxy encapsulation for moisture-proofing. Structural & Functional Features 1. Valve Types & OperationTypeOperation PrincipleApplication ScenariosNormally ClosedCloses when power off, opens when onWater inlet control (prevents leakage when off)Normally OpenOpens when power off, closes when onSteam release systems (e.g., milk frother standby)2. Sealing DesignSeal Material: Food-grade EPDM or silicone rubber, resistant to coffee oils and temperatures up to 150°C for high-temperature steam). Leakage Rate: ≤0.1 mL/min under rated pressure, ensuring zero contamination. 3. Connection TypesThreaded: G1/4", NPT 1/4" (compatible with metal pipes).Push-to-Connect: 6mm/8mm OD fittings for quick installation with food-grade silicone hoses. Application & Environment 1. Media & FunctionalitySuitable Media:Cold/hot water (≤95°C for POM/PP, ≤120°C for PVDF).Low-pressure steam (≤0.8 MPa, PVDF models only).Key Functions:Quantitative water injection for capsule machines (20-120mL per cycle).Extraction flow control for espresso machines (precision to 0.1mL).Drip tray drainage or steam wand on/off switching. 2. Machine CompatibilityHousehold Use: Drip coffee makers, pod machines, semi-automatic espresso machines.Commercial Use: Low-pressure coffee brewers, small-scale commercial espresso systems (≤9 bar). Certifications & Compliance Food Contact Approvals: FDA, CE (electrical safety). Durability & Maintenance Service Life: ≥500,000 cycles (POM body, normal pressure), ideal for daily use (100-300 cycles/day). Maintenance Design:Detachable valve head for easy seal replacement (reduces repair costs).Smooth inner surface (Ra≤1.6μm) to minimize coffee residue and scale buildup. Sample Product Description (English)"This food-grade POM plastic solenoid valve is engineered for household espresso machines, featuring a DN10 (3/8") orifice and 0.5-0.8 MPa working pressure. The normally closed design ensures water-tight shutdown when powered off, while the food-grade EPDM seal resists 95°C hot water and coffee oils. With IP65-rated waterproof coil and quick-connect fittings, it supports precise extraction control (e.g., 30mL in 25s) for golden ratio espresso. Certified by FDA, the valve offers 500,000+ cycle durability, perfect for daily home brewing needs."
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