Product Specification

High Pressure Pump Rubber Diaphragm

Product Description

Our high-performance rubber diaphragms are designed for high-pressure water pumps, industrial spraying systems, agricultural spraying equipment, and fluid control applications. Manufactured from premium elastomer materials with excellent fatigue resistance and chemical stability, these diaphragms provide reliable sealing performance under continuous reciprocating operation.

The diaphragm acts as a flexible barrier between the hydraulic chamber and mechanical drive components, ensuring efficient pressure transfer while preventing leakage and protecting internal pump components from contamination.

Designed for demanding operating conditions, our rubber diaphragms deliver long service life, stable performance, and consistent sealing reliability in high-pressure fluid systems.

Key Features

Excellent Fatigue Resistance

• Designed for continuous reciprocating movement in diaphragm pumps.
• Superior resistance to cracking, deformation, and fatigue failure.
• Maintains sealing performance during long-term operation.

High Pressure Performance

• Suitable for high-pressure water pumps and fluid delivery systems.
• Provides stable pressure transmission and reliable sealing under dynamic conditions.

Excellent Wear & Tear Resistance

• Optimized rubber compounds provide outstanding resistance against abrasion and mechanical stress.
• Suitable for frequent start-stop operation and high-cycle applications.

Chemical & Environmental Resistance

• Available in different elastomer materials to withstand various fluids and working environments.
• Resistant to water, oils, chemicals, and agricultural spraying solutions depending on material selection.

Customized Design Capability

• Available in various sizes, profiles, and reinforcement structures.
• Custom formulations and tooling solutions available according to pump specifications and operating requirements.

Typical Applications

High Pressure Water Pump Systems

Used in:

• High-pressure cleaning equipment
• Industrial water spraying systems
• Pressure washing machines
• Water circulation systems

Agricultural & Plant Protection Machinery

Suitable for:

• Agricultural sprayers
• Crop protection equipment
• Fertilizer spraying systems
• Pest control spraying machines

Industrial Spray Systems

Applied in:

• Industrial misting systems
• Cooling spray equipment
• Dust suppression systems
• Fluid atomizing equipment

Pump & Fluid Control Equipment

Compatible with:

• Diaphragm pumps
• High-pressure plunger pump systems
• Fluid dosing equipment
• Industrial pumping systems

Available Materials

NBR (Buna-N)

Recommended for:

• Water-based fluids
• Hydraulic applications
• General industrial spraying systems

Advantages:

• Excellent abrasion resistance
• Good mechanical strength
• Cost-effective solution

EPDM

Recommended for:

• Water systems
• Agricultural spraying applications
• Hot water applications

Advantages:

• Excellent resistance to water and weather aging
• Good ozone and oxidation resistance

FKM (Viton®)

Recommended for:

• Chemical-resistant applications
• Oil-containing fluids
• Higher temperature environments

Advantages:

• Superior chemical resistance
• Excellent heat resistance
• Long service life under harsh conditions

Reinforced Rubber Diaphragm (Optional)

For high-pressure applications, diaphragms can be reinforced with fabric layers to improve:

• Pressure resistance
• Dimensional stability
• Tear resistance
• Service life

Technical Advantages

Custom Manufacturing Service

We provide customized rubber diaphragm solutions based on:

• Pump model and application requirements
• Operating pressure
• Working temperature
• Fluid compatibility
• Dimensional specifications

Materials, hardness, reinforcement layers, and geometry can be optimized to achieve the best sealing performance.