| Customization: | Available |
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| After-sales Service: | Standard |
| Connection: | Male/Female/Double Ferrule |
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NAI-LOK is the leader in flow control technology fields of manufacturers.
NAI-LOK`s target is challenge and beyond the technical limits, continuing pursuit becoming the industry leader. Since the
establishment, we have settled the developing direction of research and develop precise valve, regulator, fluid connectors and high-tech flow control system products.
NAI-LOK`s products are widely accepted and approved by the users on its safety and stability. The application filed covering semi-conductor industry, aero-space industry, solar power battery, petroleum and petrochemical industry, power energy,bio-pharmaceuticals industry and vacuum system, etc. NAI-LOK will keep moving and making unceasing progress in the high-tech flow control field and serve the customers sincerely.
NAI-LOK`s reliable products are made continuous progress by the aim of "super, extreme, micro, preciseness" in the flow control syste.
NAI-LOK UHP Metal Face Seal Fittings Double Male Union Metal Gasket Face Seal Fittings For Ultra High Purity Systems
The NAI-LOK UHP Metal Face Seal Fittings are precision-engineered double male union fittings designed specifically for ultra high purity (UHP) systems. Featuring a metal gasket face seal, these fittings ensure a reliable, leak-tight connection ideal for critical applications in semiconductor manufacturing, pharmaceutical, and analytical gas systems.
Constructed from high-grade stainless steel (SS316), the fittings provide excellent corrosion resistance, durability, and maintain integrity under high vacuum and high purity gas environments. The double male union design simplifies installation and maintenance, enabling secure connections between tubing and equipment with minimal risk of contamination.
These UHP face seal fittings are manufactured to meet stringent quality and cleanliness standards, ensuring compatibility with ultra high purity gas distribution systems. Their robust metal-to-metal sealing mechanism offers superior performance compared to traditional soft seals, making them the preferred choice for demanding industrial and laboratory environments.
Features
High purity of a metal to metal seal.
High purity stainless steels
Features: 1/4 to 1 in.
Leak-tight service from vacuum to positive pressure
OEM acceptable
| Parameter | Specification |
|---|---|
| Product Model | UHP Metal Face Seal Double Male Union |
| Material | Stainless Steel SS316 |
| Connection Type | Double Male Union |
| Seal Type | Metal Gasket Face Seal |
| Applicable Systems | Ultra High Purity (UHP) Gas Systems |
| Operating Pressure | Up to 6000 psi (approx. 414 bar) |
| Temperature Range | -40°C to +150°C |
| Surface Finish | Mirror Polished (Ra < 10 µin / 0.25 µm) |
| Application | Semiconductor, pharmaceutical, analytical gas systems |
| Compliance | ASTM, ISO, SEMI standards |
| Designator | Surface Finish [MU] | |
| Average | Maximum | |
| BA | < 0.4 | < 1.6 |
| EP | < 0.125 | < 0.4 |
| Tube O.D. | Wall Thickness | Pressure Rating | |
| Psig | Bar | ||
| 1/4" | 1.00mm | 5200 | 359 |
| 0.89mm | |||
| 3/8" | 1.00mm | 3350 | 231 |
| 0.89mm | |||
| 1/2" | 1.24mm | 3750 | 259 |
| 3/4" | 1.65mm | 3350 | 231 |
| 1" | 1.65mm | 2400 | 265 |
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