Product Parameters
| Specification Item | Description |
|---|---|
| Product Name | Oil-Free Machine One-Way Valve |
| Thread Size | 3/8 inch |
| Body Length | 14 mm |
| Body Width/Height | 15 mm |
| Material | Zinc Alloy (Body) + Brass/Stainless Steel (Internal) |
| Valve Type | Check Valve / Non-Return Valve |
| Applicable Machine Type | Oil-Free Air Compressors |
| Cracking Pressure | 2 – 5 PSI (0.14 – 0.35 Bar) |
| Maximum Working Pressure | 145 PSI (10 Bar) |
| Maximum Temperature | 110°C (230°F) |
| Sealing Element | NBR / Viton (Oil-Free Compatible) |
| Connection Type | Male Thread (Per configuration) |
Product Description

Product Details
1. Optimized for Oil-Free Operation
Internal sealing materials are specifically selected for dry, oil-free environments, resisting wear from higher operating temperatures common in oil-less compressor designs.
2. Compact 14×15mm Body Profile
Miniature dimensions allow installation in tight pump head assemblies where space is limited, particularly in direct-drive oil-free compressor units.
3. Zinc Alloy Corrosion Protection
Zinc alloy body provides excellent resistance to moisture and condensation without requiring oil film protection, ideal for oil-free compressor duty cycles.
Products Package

About Us
Jiaxing Norsun Trading Co., Ltd.
Jiaxing Norsun Trading Co., Ltd. is a professional supplier of a large range of products that includes power tools : chain saw, brush cutter, blower,mist duster,sprayer, water pump, earth drill, high press cleaner, air compressor, generator,and spare parts more than 5000 types.
Our company for many years trade experience that has enabled us to securelong-term relationships with 100 factories in China. We have a strong supply capacity, can provide you with timely order supply, to ensure timely delivery.
Our products are of good quality, reliable performance, rich variety of productsand reasonable price, so they are welcomed by customers.Our products are exported to various countries around the world.

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Q: How is this valve different from standard compressor check valves?
A: Oil-free compressors run hotter and without lubricating oil mist. This valve uses heat-resistant seals (Viton) and materials that perform reliably in dry, high-temperature conditions.
Q: What's your MOQ?
A: Different products have different MOQ, depends on your quantity .
Q: Can you give me a discount price?
A:lt is depending on quantity, Different quantity have different price.
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