This inlet/outlet water diaphragm is fabricated from EPDM. It presents a symmetrical four-petal flower-shaped hollow profile. Its edges feature smooth, rounded transitions. Multiple sets of apertures are distributed around the center and perimeter. Positioning notches are designed along the edges to facilitate installation. It allows the diaphragm to be precisely embedded into the mounting position of inlet/outlet valves.As a critical fluid control component, it complies with the stringent standards of Diaphragms & Sealing Gaskets and Pressure Seal Components. It is fully compatible with the application requirements of Sealed Diaphragm Pump and Sealed Fluid Transfer Pump.
Product Features
1. Functions
1)One-Way Control and Sealing for Inlet/Outlet Water:It serves as the core component of inlet/outlet valves. It achieves one-way conduction through elastic deformation. Under inlet/outlet water pressure, the diaphragm fits tightly against the valve seat to achieve sealing. When pressure reverses, it opens the flow channel to precisely control water flow direction. It blocks water leakage at the same time. This performance meets the rigorous demands of Mini Sealed Valve and Sealed Fluid Direction Control Valve.
2)Buffering Water Pressure Impact:It leverages the elasticity of EPDM. It cushions the impact caused by changes in water flow pressure. It reduces wear between the valve seat and the diaphragm. It extends equipment lifespan.
3)Impurity Filtration and Flow Guiding:The design of multiple through-holes assists in filtering tiny impurities in the water. It guides water flow to pass through evenly at the same time. It improves fluid transfer efficiency.
2. Performance Characteristics
1)EPDM Material + 50±5° Hardness Balances Elasticity and Durability:EPDM boasts excellent water resistance, temperature resistance (-40℃~150℃), and anti-aging properties. It resists swelling and hardening after long-term water contact. The 50±5° hardness setting not only ensures the elastic deformation capability of the diaphragm to fit tightly against the valve seat for sealing. It provides good tear strength to prevent damage from water pressure impact. This performance advantage aligns with the technical specifications of Fluid-Tight Diaphragms and high-reliability sealing components.
2)Flower-Shaped Hollow + Multi-Through-Hole Design Enhances Fluid Control Efficiency:The combination of the symmetrical flower-shaped structure and multiple sets of through-holes increases the water flow contact area. It improves conduction efficiency. The positioning notches on the edges can be precisely embedded into the mounting groove. It prevents diaphragm displacement under water flow impact. This structural design complies with the matching requirements of Sealing Elements for Valves and integrated fluid systems.
3)Low Compression Set Ensures Long-Term Reliability:The EPDM material exhibits a low compression set rate.It maintains good elasticity even after long-term high-frequency operation. This ensures the long-term sealing performance and lifespan of the diaphragm. It is essential for Gasket & Membrane Assemblies in continuous operation.
3. Application Scenarios
1)Water Purification Equipment Systems:It is suitable for inlet/outlet valves of water purifiers and reverse osmosis equipment. It controls one-way water flow delivery to ensure purification efficiency. It meets the precision requirements of Micro Sealed Hydraulic Pump auxiliary diaphragms.
2)Water Supply Booster Equipment:It is used for inlet/outlet valves of household booster pumps and constant pressure water supply systems. It stabilizes water flow pressure. It prevents water backflow. It is a key part of Sealed Fluid Transfer Pump systems in water supply applications.
3)Sanitary and HVAC Equipment:It is applicable for inlet/outlet valves of smart toilets and water heaters. It achieves precise water flow control and leak prevention. It complies with the quality standards of Pressure Seal Components in sanitary equipment.
4. Pain Point Solutions
1)Solving Inlet/Outlet Water Backflow and Leakage:Ordinary diaphragms have poor fit. They easily lead to water backflow or leakage. The combination of EPDM material and 50±5° hardness achieves reliable sealing. It blocks backflow risks. It enhances the performance of Mini Sealed Valve components.
2)Resolving Wear Caused by Water Pressure Impact:Rigid diaphragms cannot buffer water pressure impact. They easily wear the valve seat. The elasticity of EPDM can absorb impact. It protects both the valve seat and the diaphragm. It improves the durability of Sealed Fluid Direction Control Valve accessories.
3)Addressing Aging and Hardening in Long-Term Use:Ordinary rubber diaphragms are prone to aging and hardening. It leads to sealing failure. The anti-aging properties of EPDM ensure long-term elasticity and sealing performance. It reduces maintenance costs. It extends the service life of Diaphragms & Sealing Gaskets.
4)Solving Impurity Clogging and Poor Flow Guiding:Diaphragms with a single through-hole are prone to clogging by impurities. The multiple through-hole design improves flow guiding efficiency. It reduces clogging risks. It optimizes the operation of Fluid-Tight Diaphragms in water systems.
