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Needle Valve Datasheet - Wholesale & Manufacturers Directory

I’m your go-to for Needle Valve Datasheet that helps wholesale buyers and manufacturers make smart, fast decisions. I translate complex specifications into clear, actionable data you can quote from. Our datasheets cover sizes from 1/8" to 1", with corrosion‑resistant bodies, stainless or PTFE seating, fine-thread adjustment, and tight shut-off under high pressure. Each sheet lists bore size, end connections, thread standards, seating materials, pressure rating, temperature range, and Cv values so you can compare at a glance. For Wholesale and Manufacturers, I streamline sourcing with direct-from-manufacturers supply, bulk discounts, and dependable lead times. I can match your application—fuel, gas, water, or hydraulic circuits—with compatible valves and materials, and provide CAD drawings and testing certificates. Reach out and I’ll tailor the datasheet to your procurement flow, helping you quote faster and ship sooner.

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Needle Valve Datasheet Dominates Market Leader

For global buyers, a rigorous needle valve datasheet is the compass for specification, selection, and interoperability. It communicates dimensions and ports, but also material grades, seat and stem construction, and tolerance stacks. It defines the pressure rating, temperature range, flow coefficient, leak integrity, and throttling range. It maps end connections (NPT, BSPP, or flange), trim options, and corrosion-resistant coatings. A reliable datasheet includes standardized tests, traceability, and compliance details such as ISO 9001 and RoHS. When every parameter is explicit, procurement teams compare options quickly and reduce risk across global supply chains. The datasheet that dominates the field becomes the single source of truth: it harmonizes compatibility with instrumentation and safety systems. It clarifies replacements and spares, and shortens approval cycles by pre-justifying performance claims. Buyers gain confidence from proven repeatability, long service life, and predictable lead times. In practice, a comprehensive needle valve datasheet translates to faster qualification, lower total cost of ownership, and smoother integration into demanding environments—from high-purity fluid handling to high-pressure gas systems.

{ Needle Valve Datasheet Dominates Market Leader}
Model Valve Type Connection Size End / Connection Body Material Stem / Seat Max Working Pressure Temp Range Cv Torque (N·m) Leak Rate Actuation Typical Applications
NV-100 Straight Needle 1/8" Male NPT 316 Stainless Steel 316 SS stem / PTFE seat 1000 psi (69 bar) -40°C to 200°C (-40°F to 392°F) 0.02 1.5 ≤0.01 mL/min (He) Manual Instrumentation, Sampling, Process Control
NV-150 Angle Needle 1/4" Female NPT Brass (low corrosion) Brass stem / PTFE seat 500 psi (34 bar) -20°C to 120°C (-4°F to 248°F) 0.05 2.0 ≤0.05 mL/min (air) Manual / Gear Hydraulic systems, General plant services
NV-200 Miniature Needle 3/16" Tube Compression fittings 316 Stainless Steel 316 SS stem / PCTFE seat 3000 psi (207 bar) -60°C to 150°C (-76°F to 302°F) 0.01 1.2 ≤0.005 mL/min (He) Manual Analytical instruments, GC sample lines
NV-300 High-Pressure Needle 1/4" Male NPT Carbon Steel (quenched) Hardened stem / Metal-to-metal seat 6000 psi (413 bar) -20°C to 150°C (-4°F to 302°F) 0.08 8.0 ≤0.01 mL/min (He) Manual / Pneumatic High-pressure testing, Hydraulic control
NV-400 Cryogenic Needle 1/4" Weld / Tube 316L Stainless Steel 316L stem / PTFE low-temp seat 1500 psi (103 bar) -196°C to 80°C (-321°F to 176°F) 0.03 3.5 ≤0.01 mL/min (He) Manual Cryogenic transfer, LNG, Helium lines
NV-500 Stainless Instrument Needle 1/8" Compression 304 Stainless Steel 304 stem / PTFE seat 1200 psi (83 bar) -40°C to 180°C (-40°F to 356°F) 0.015 1.8 ≤0.02 mL/min (air) Manual Laboratory, Sampling, Flow regulation
NV-600 Corrosion-Resistant Needle 1/2" Flanged / BSP Hastelloy / Alloy Hastelloy stem / Graphite seat 3000 psi (207 bar) -20°C to 260°C (-4°F to 500°F) 0.25 15.0 ≤0.02 mL/min (He) Pneumatic / Manual Chemical processing, Corrosive media
NV-700 Metering Needle 3/8" Threaded / BSP 316 Stainless Steel 316 stem / Soft-seat or metal option 1500 psi (103 bar) -40°C to 220°C (-40°F to 428°F) 0.10 6.0 ≤0.01 mL/min (He) Manual / Gear Fine metering, Chemical dosing, Pilot lines
Standards commonly referenced: ISO 15848, ASME B31.3, NACE MR0175
Notes: Cv values are nominal; leak rates indicated are typical helium test results under controlled conditions.

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Needle Valve Datasheet Application Stands Out

Needle Valve Precision across Key Industrial Applications

This bar chart compares representative precision scores for needle valves across six critical application categories: Instrumentation, Chemical Processing, Petrochemical, HVAC, Medical Devices, and Aerospace. Precision scores are normalized on a 0–100 scale where higher values indicate tighter adherence to target flow rates under typical operating conditions. The dataset is synthetic but grounded in engineering expectations: instrumentation and medical sectors emphasize sub-percent flow stability, chemical and petrochemical systems balance control with robustness, HVAC places less emphasis on ultra-fine metering, and aerospace combines tight control with extreme environment resilience. Interpretation should consider operational context and boundary conditions. For example, low flow regimes in analytical instrumentation favor small-stroke needle geometries and fine-thread stems, which improve metering resolution and yield higher precision scores. Chemical processing often requires corrosion-resistant trims and actuators with feedback loops, enabling strong control despite variable viscosities and temperatures. Petrochemical pipelines operate at larger diameters and face mechanical stresses that can degrade fine control without robust maintenance protocols. HVAC systems achieve adequate comfort control without the stringent tolerances needed elsewhere, so precision scores are moderate. Medical applications, particularly infusion and anesthesia delivery, demand exact dosing; therefore, valves optimized for minimal dead volume and predictable hysteresis score highly. Aerospace designs prioritize both precision and reliability, incorporating lightweight materials and redundant sealing that support high scores under vibration and temperature extremes. This visualization is intended as a decision-support snapshot. Engineers and procurement teams can use the relative rankings to focus validation testing, allocate maintenance resources, or target R&D efforts where incremental improvements in valve design will yield the greatest operational benefit. Combining such comparative metrics with lifecycle cost analysis and application-specific performance tests will produce robust, deployment-ready specifications.

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  • Brook 2022.11.27 04:40:28

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  • Darlene 2022.06.23 12:43:40

    It can be said that this is a best producer we encountered in China in this industry, we feel lucky to work with so excellent manufacturer.

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