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| Power: | Manual |
| Connection Mode: | Internal Thread |
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NAI-LOK® Alloy Monel® 400 Double Ferrule Needle Valve - Precision Fluid Control for Demanding Applications
NAI-LOK® is a globally recognized brand specializing in high-performance fluid system components, including valves, fittings, and instrumentation. With decades of expertise in precision engineering, we provide reliable solutions for industries such as oil & gas, chemical processing, pharmaceuticals, and semiconductor manufacturing. Our commitment to quality, durability, and innovation ensures optimal performance in critical applications.
Monel® 400 needle valve is crafted from high-performance nickel-copper alloy, designed for demanding corrosive environments. It offers exceptional corrosion resistance, excellent mechanical strength, and reliable performance in chemical processing, marine, oil and gas applications.
Excellent corrosion resistance in seawater, acids, and alkaline solutions
High mechanical strength and durability
Good performance in both reducing and oxidizing environments
Precision machining for accurate flow control
Low temperature toughness down to -196ºC
Precision Flow Control - Fine-threaded needle design ensures precise flow adjustment, ideal for high-pressure gas, hydraulic systems, and cryogenic applications.
Wide Compatibility - Suitable for aggressive media, including H2S, sour gas, steam, and high-temperature hydrocarbons, making it perfect for oilfield, petrochemical, and power generation industries.
| Parameter | Specification |
|---|---|
| Pressure Rating | 6,000 psig (413 bar) @ 100°F (38°C) |
| Temperature Range | PTFE Packing: -65°F to 450°F (-54°C to 232°C) Grafoil® Packing: -65°F to 1,200°F (-54°C to 648°C) |
| Body Materials | Standard: 316SS (UNS S31600) Options: • Alloy 400 (Monel® UNS N04400) • Hastelloy® C276 (UNS N10276) Hastelloy® C22 (UNS N10622) • Inconel® 625 (UNS N06625) • 6Mo Super Austenitic (UNS S31254) 254SMO • Titanium Gr.2 (UNS R50400) • Incoloy® 800 (UNS N08800) |
| Stem Material | Standard: Hard Chrome 316SS High-Temp: Inconel® X-750 R(UNS N07750) |
| Seat Design | Non-rotating stem tip (metal-to-metal seal) |
| Connection | NPT, BSPP, SAE, or custom NAI-LOK tube fittings |
| Certifications | ASME B16.34, NACE MR0175 (upon request) |
Advanced Alloy Selection Guide
| Material | UNS Number | Key Properties | Applications |
|---|---|---|---|
| 316 Stainless Steel | S31600 | General corrosion resistance | Chemical, pharmaceutical |
| Monel® 400 | N04400 | Superior seawater resistance | Marine, offshore |
| Hastelloy® C276 C22 | N10276 N10622 | Resists HCl, H2SO4, chlorides | Petrochemical, FGD |
| Inconel® 625 | N06625 | High strength @ 1200°F+ | Aerospace, exhaust systems |
| 6Mo (Super Austenitic) | S31254 | Pitting/crevice corrosion resistance | Desalination, chlorinated media |
| Titanium Grade 2 | R50400 | Lightweight, bio-compatible | Medical, aerospace |
Aerospace & Defense: Fuel systems, hydraulic controls
Oil & Gas: Wellhead controls, sour gas injection,Subsea controls
Chemical Processing: Acid handling, high-pressure reactors,reactor feeds
Power Generation: Superheated steam, turbine bypass,Supercritical CO2 systems
Cryogenics: LNG, liquid nitrogen/oxygen systems
Semiconductor: CMP slurry delivery
Marine and offshore systems / Chemical processing equipment / Oil and gas production / Power generation plants / Aerospace components
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