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Throttle MasterTM
Needle Valves

Precision control for corrosive and high purity fluids

Throttle Master Needle Valve

Unmatched Performance for Demanding Applications

Corrosion Resistant

Engineered from high-grade plastics (PVC, CPVC, PP, PVDF) to withstand aggressive chemicals and maintain purity.

Precision Control

Fine-tune flow rates with exceptional accuracy, ensuring optimal process control across various industries.

Versatile Design

Suitable for a wide range of industries, from semiconductor manufacturing to chemical processing and water treatment.

Technical Specifications

SpecificationPVCCPVCPolypropylenePVDF
Max Pressure (PSI @ 72°F)180200150220
Temperature Range14 to 140°F (–10 to 60°C)50 to 194°F (10 to 90°C)46 to 176°F (8 to 80°C)–22 to 248°F (–30 to 120°C)
Cv Values
  • 1/4" & 3/8": 0.310 (Globe), 0.426 (Angle)
  • 1/2": 0.620 (Globe), 0.780 (Angle)
Needle FinishSPI/SPE No. 1
Metering Thread24 Pitch
Stem SealPTFE (Polytetrafluoroethylene)
Panel Mounting1/16" to 1/2" thickness
End Connections1/4", 3/8", 1/2" Female NPT, Solvent Socket, Tube
ComplianceMeets/Exceeds FDA, USDA, and USP standards

Sizes and Configurations

Available Sizes

  • 1/4" Connections
  • 3/8" Connections
  • 1/2" Connections

Connection Types

  • Female NPT (National Pipe Thread)
  • Solvent Socket Connections

Valve Patterns

  • Straight Pattern (180 deg)
  • Angle Pattern (90 deg)

Custom Configurations

Need a specific size or configuration? We offer custom solutions to meet your unique requirements.

Valve Performance Graphs

Cv Values by Valve Size and Pattern

Temperature Ranges by Material

Flow Rate vs. Turns Open

Request Information

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Technical Requirements
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Contact Information

Technical Requirements