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A Minimum Pressure Valve (MPV) is a type of pressure control valve designed to maintain a minimum system pressure in hydraulic or pneumatic systems. It ensures that pressure does not drop below a preset level, protecting equipment from damage due to low pressure.
2. Key Features
Pressure Regulation: Maintains a consistent minimum pressure in the system.
Safety Protection: Prevents damage to pumps, compressors, and other components due to low pressure.
Adjustable Settings: Many MPVs allow for manual or automatic adjustment of the minimum pressure threshold.
Durable Construction: Typically made from materials like brass, stainless steel, or carbon steel for high-pressure resistance.
Check Valve Function: Some MPVs incorporate a check valve to prevent backflow.
3. Applications
Hydraulic Systems (e.g., industrial machinery, presses)
Pneumatic Systems (e.g., air compressors, gas pipelines)
Lubrication Systems (ensures oil pressure remains stable)
Water & Process Systems (prevents pump cavitation)
4. Types of Minimum Pressure Valves
Direct-Acting MPV: Simple design, operates based on spring tension.
Pilot-Operated MPV: More precise, used in high-pressure systems.
Inline MPV: Installed directly in the pipeline.
Cartridge MPV: Compact, designed for integration into hydraulic manifolds.
5. Benefits
✔ Prevents system damage from pressure drops ✔ Improves efficiency by maintaining optimal pressure ✔ Reduces maintenance costs by avoiding pump cavitation ✔ Versatile for various industrial applications
6. Selection Criteria
Pressure Range (PSI/Bar rating)
Flow Rate (GPM or LPM)
Material Compatibility (corrosion resistance)
Connection Type (NPT, BSP, flanged, etc.)
Adjustability (fixed or adjustable settings)
7. Leading Manufacturers
Parker Hannifin
Bosch Rexroth
Eaton/Vickers
Sun Hydraulics
Danfoss
8. Maintenance & Troubleshooting
Regular Inspection: Check for leaks or pressure drops.
A Minimum Pressure Valve is essential for maintaining system integrity in hydraulic and pneumatic applications. By ensuring pressure never falls below a safe threshold, it enhances equipment lifespan and operational efficiency.
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Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Distributor/Wholesaler,Exporter
Year Established:
2012
Total Annual:
10000000-50000000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
Shanyan Industrial (Shanghai) Co., Ltd, & Quansi Industrial (Guanyun)Co.,Ltd a leading manufacturer and supplier of air compressor accessories.like Atlas, Gardner Denver,Ingersoll Rand,CompAir,Sullair,Fusheng, Kobelco,Unites,Bolete and so on. Our factory specializes in producing high-quali... Shanyan Industrial (Shanghai) Co., Ltd, & Quansi Industrial (Guanyun)Co.,Ltd a leading manufacturer and supplier of air compressor accessories.like Atlas, Gardner Denver,Ingersoll Rand,CompAir,Sullair,Fusheng, Kobelco,Unites,Bolete and so on. Our factory specializes in producing high-quali...
