Wholesales Screw Air Compressor Accessories Minimum Pressure Valve

This 1614952380 Minimum Pressure Valve for oil-injected screw air compressors. Provides stable oil circuit pressure, prevents backflow, and ensures long-term reliability under demanding industrial conditions. OEM-compatible replacement for major compressor brands.

Application

Air Compressor

Material

Aluminum

,

Stainless Steel

Category: Tag:
Description

The 1614952380 Minimum Pressure Valve is a critical safety and control component designed for oil-injected screw air compressors. It maintains a minimum pressure within the compressor’s oil circuit, ensuring proper lubrication and preventing oil backflow during startup and unloading operations. Built with a high-precision internal structure and stable flow control design, this valve helps extend the service life of both the airend and the entire lubrication system.

Functional Features

  • Stable Pressure Control – The valve automatically regulates pressure to a preset minimum level, ensuring a constant oil film for the screw rotors during acceleration and operation.
  • Leak-Proof Sealing – Equipped with high-quality PTFE and Viton seals, this valve prevents air and oil leakage under variable load and temperature conditions.
  • Optimized Flow Channel Design – The internal flow path has been precision-machined to minimize pressure loss, improving system efficiency and reducing energy consumption.
  • Reliable Performance in Harsh Environments – Suitable for continuous-duty compressors, it maintains stable performance even in high-temperature, high-humidity, or dusty environments.

Material and Construction

The 1614952380 valve body is made of anodized aluminum alloy, providing excellent corrosion resistance and thermal conductivity. The inner spring is fabricated from heat-treated stainless steel, ensuring long-term elasticity and resistance to fatigue. All sealing components are imported, ensuring compatibility with synthetic and mineral-based compressor oils.

Application and Compatibility

This minimum pressure valve is suitable for a wide range of oil-injected screw air compressors, ensuring proper startup pressure and oil circulation. It is commonly used in compressors operating between 7–13 bar discharge pressure ranges.
Compatible with several models of Atlas Copco, Ingersoll Rand, Sullair, and Kaeser compressors (verify part number for specific fit).

Key Advantages

  • Prevents oil return during compressor shutdown
  • Ensures proper lubrication at startup
  • Reduces risk of oil foaming and cavitation
  • Improves compressor stability under variable loads
  • Long service life with minimal maintenance requirements

Quality Control and Testing

Each valve undergoes multiple quality checks, including:

  • Pressure calibration test (ensuring opening at correct threshold)
  • Leak and endurance testing (up to 1 million cycles)
  • Material inspection for corrosion resistance and dimensional accuracy

All products are produced in compliance with ISO 9001 quality management standards and tested to meet OEM performance benchmarks.

Packaging & Delivery

Each valve is vacuum-sealed and packed in anti-static bubble film to prevent contamination or damage during transport. Bulk orders are shipped in reinforced cartons with individual serial tracking for traceability.

FAQs​

Q1: How do I know if my MPV is faulty?
A: Common signs: Compressor oil leaks, slow pressure buildup, or reverse airflow noise when shutting down.​

Q1: Can I use this valve for non-oil-injected compressors?​
A: No—it is designed exclusively for oil-injected screw models; improper use causes system damage.​

Shipping and Delivery

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