Product Overview

The FITOK NBSS-FL4-7-Y-A is a precision-engineered needle valve designed for accurate flow control and reliable isolation in demanding industrial fluid and gas handling systems. Manufactured by FITOK, a globally recognized brand in high-quality instrumentation and process components, this valve features a fine-threaded stem and a tapered needle tip that enables precise, incremental throttling and bubble-tight shutoff. Its robust construction makes it ideal for applications requiring exact metering, pressure regulation, and dependable isolation in hydraulic, pneumatic, and general process circuits. The NBSS-FL4-7-Y-A is a direct-fit, high-integrity solution for critical industrial environments where leak-free performance and long service life are paramount.

Technical Specifications

ParameterSpecification / Feature
Component TypeNeedle Valve (Hydraulic / Process & Pneumatic Valve)
Model DesignationNBSS-FL4-7-Y-A
Operating PressureStandard Industrial Grade (Up to 6000 psig / 413 bar, depending on configuration)
Mounting & ConnectionStandard FITOK / ISO Interface (1/4 in. tube fitting, panel mount option)
Body MaterialStainless Steel 316 (SS316)
Stem TypeFine-threaded, non-rotating needle tip
Seal MaterialPTFE / PFA (standard)
Temperature Range-20°F to 450°F (-29°C to 232°C)
Flow Coefficient (Cv)0.7 (nominal)

Engineering Features & Advantages

  • Precision Flow Control: The fine-threaded stem and tapered needle allow for extremely accurate, repeatable throttling and micro-adjustment of flow rates, ensuring optimal process control.
  • Leak-Tight Isolation: Engineered with a robust stem seal and precision-machined needle tip to provide bubble-tight shutoff, preventing costly fluid loss and maintaining system integrity.
  • Industrial Reliability: Constructed from high-grade 316 stainless steel for excellent corrosion resistance and durability, built for continuous operation under severe industrial conditions.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original FITOK NBSS series and equivalent OEM standards, ensuring drop-in installation without modification.
  • Panel Mountable Design: The “Y” configuration and standard mounting interface allow for secure panel mounting, simplifying integration into control panels and instrumentation systems.

Typical Industrial Applications</h3

PRODUCT IMAGES

FITOK NBSS-FL4-7-Y-A

FITOK NBSS-FL4-7-Y-A Needle Valve

⚡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine FITOK NBSS-FL4-7-Y-A Needle Valve. This China-made hydraulic component features a precise flow control design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote
Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote