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ZS1059791 High-Efficiency Spin-On Air-Oil Separator for Industrial Compressors
The ZS1059791 is a high-performance coalescing separator element engineered to recover lubricating oil from compressed air streams. Specifically designed for rotary screw compressors including Almig, Gardner Denver, and Champion models, this spin-on element ensures minimal residual oil carryover, protecting downstream pneumatic equipment and reducing overall lubricant consumption.
Superior Coalescence Efficiency: Maintains residual oil content at <3 mg/m³ (3 ppm), ensuring ultra-clean discharge air.
Precision Threading: Features a robust 1-12 UNF-1B thread for rapid, secure installation on standard manifold blocks.
Pressure Resistance: Reinforced steel canister prevents structural deformation under high-pressure pulses and thermal cycling.
B2B Customization: Scalable production for private labeling with customized micron ratings and housing finishes.
The Coalescence Principle: How It Works
An air-oil separator is a specialized filtration component that utilizes the coalescence principle to remove aerosolized oil droplets from compressed air. As oil-laden air passes through the borosilicate glass fiber media, micro-droplets are captured and merge into larger drops. Gravity then pulls these larger drops to the bottom of the element, where they are returned to the lubrication circuit via the scavenger line.
High Oil Carryover: Low-quality separators allow excessive oil to pass into the air lines, contaminating products and damaging pneumatic valves. The ZS1059791 utilizes graded density media to maximize liquid-to-air separation.
Excessive Pressure Drop: High resistance leads to increased energy consumption by the motor. Our pleat geometry is optimized to maintain a low initial pressure drop, typically <0.2 bar.
Premature Failure: Exposure to synthetic lubricants (PAO/Ester) can degrade inferior seals. Our ZS1059791 utilizes high-temperature Viton or Nitrile gaskets to prevent leaks throughout the 4,000-hour service life.
Technical Specifications
| Feature | Specification |
| Model Number | ZS1059791 |
| Component Type | Spin-On Air-Oil Separator |
| Outer Diameter (A) | 93.0 mm |
| Gasket Inner Diameter (B) | 62.0 mm |
| Gasket Outer Diameter (C) | 71.0 mm |
| Thread Size (G) | 1-12 UNF-1B |
| Overall Height (H) | 212.0 mm |
| Residual Oil Content | < 3 ppm |
| Service Interval | 2,000 - 4,000 Hours (Environment Dependent) |
Cross-Reference & Equipment Compatibility
Cross-Reference Parts:
Gardner Denver: ZS1059791
SF FILTER: SAO 57925
Mann Filter: LB 962/2 (Comparison standard)
Amazon:B0CWGDHYK5
Inline: FA12751
HIFI :OV6016
Targeted Equipment Models:
Almig: BELT (4-132), COMBI (6-15), FLEX (6-30) Series
Alup: SCK 5/22, SOLO 6/15 Series
Gardner Denver: ESM 7, FM 07-8A
Champion: FM 7, FM 11
Belair Compressor: ENCAP 11
Industry Applications
Automotive Manufacturing: Clean, dry air is essential for robotic painting and pneumatic assembly tools.
Food & Beverage Packaging: Ensures no lubricant contamination during container forming or food processing.
Electronics Production: Protects sensitive semiconductor fabrication equipment from oil-induced failure.
Textile Industry: Prevents oil spotting on fabrics during high-speed air-jet weaving.
Pharmaceuticals: Maintains the high air-quality standards required for sterile laboratory environments.
FAQ
Q1: What are the indicators that the ZS1059791 needs replacement?
A: The most common signs are high oil consumption in the compressor, oil visible in the downstream air lines, or a high differential pressure alarm on the compressor control panel.
Q2: Can I use this separator with synthetic compressor oils?
A: Yes. The ZS1059791 is fully compatible with Mineral, PAO, and Polyolester (POE) lubricants commonly used in Gardner Denver and Almig machines.
Q3: Is a special tool required for installation?
A: No. As a spin-on element, it can be tightened by hand. We recommend lubricating the gasket with a small amount of clean compressor oil prior to installation to ensure a perfect seal.
Q4: How does this product achieve such low oil carryover?
A: We use high-grade borosilicate glass fiber from world-class suppliers. The graded density allows for deeper particle penetration and more efficient coalescing compared to standard paper-based elements.
Q5: Do you provide technical support for OEM integration?
A: Absolutely. We offer engineering consultation for custom manifold mounting and specialized media selection for unique industrial operating environments.
We specialize in providing reliable logistics and consistent quality for the global industrial filtration market.
Customization: We support private branding (silk-screening), custom housing colors, and specific box packaging for bulk orders.
MOQ: Flexible based on current stock levels; typically 20+ units for standard ZS1059791.
Global Shipping: Sea and air freight options available for Europe, North America, and the Middle East.
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