Core Functions
1.Forced filtration to purify lubricating oil
During air compressor operation, lubricating oil continuously carries metal shavings, carbon deposits, sludge, and fine dust particles drawn in from the air. The oil filter, using high-precision filter media (such as fiberglass), continuously intercepts and traps these solid particles, ensuring that the lubricating oil circulating back to the main bearings, rotor, and other precision components remains clean.
2. Ensure Lubrication and Prevent Wear
Clean lubricating oil is essential for the formation of a stable oil film and fluid lubrication of the engine's moving parts. If the oil filter fails, impurities enter the friction pairs with the oil, accelerating wear and leading to serious malfunctions such as cylinder scoring and bearing seizure. Therefore, the core value of an oil filter lies in preventing wear at its source.
3. Built-in Bypass Valve for Safety Redundancy
All qualified oil filters have a built-in bypass valve. Its core protection logic is that when the oil filter becomes clogged due to prolonged lack of replacement, causing the inlet and outlet pressure difference to exceed a set value, the bypass valve automatically opens, allowing some unfiltered engine oil to bypass and flow to the engine. This sacrifices filtration accuracy but ensures that the engine still has oil lubrication under the worst operating conditions, preventing dry running and potential failure. This is one of the core functions of an oil filter as a safety component.

Company Introduction
Mengma Filtration Technology Co., Ltd. is a high-tech modern enterprise integrating R&D, production, and sales, mainly producing filter elements and filtration equipment. We have 17 years of experience in air compressor filter production, equipped with advanced filter production lines, precision testing equipment, a highly qualified sales team, and a comprehensive after-sales service system.




Transportation and Packaging


FAQ
Q1. Do you have a quality control department?
A: To provide you with high-quality products, we have a quality control department responsible for inspecting both raw materials and finished products, so you don't need to worry about product quality.
Q2. What are your payment terms?
A: 1) Wire Transfer (T/T): 30% deposit in advance, 70% balance before shipment. We will show you photos of the products and packaging before payment.
2) Western Union
3) Wire Transfer (T/T)
Q3. What is your sample policy?
A: If we have stock, we can provide samples, but customers need to pay for the sample fee and express delivery fee.
Q4. What are your delivery terms?
A: EXW, FOB, CFR, CIF
Q5. Do you provide OEM or ODM services?
A: We can provide OEM and ODM services. You only need to send us the product specifications or the samples you need.
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