Where Quality Meets Service & Value
Manufactured and Assembled in
Costa Mesa, California U.S.A.
toll free
(866) 452-2349
Where Quality Meets Service & Value
Manufactured and Assembled in
Costa Mesa, California U.S.A.
toll free
(866) 452-2349
  • Product Image
Precise Flow Control with Fine Adjustment of Corrosive and High Purity Fluids

Features:
  • Produced in two styles: Globe pattern (straight 180°) and Angle pattern (90°).
  • Needle finish, SPI/SPE No. 1. Bubble tight, low torque shutoff long term performance.
  • All injection molded, rugged design and construction
  • 24 Pitch metering thread. 20% Finer metering control. Excellent Linearity of Flow.
  • Needle Stem is PTFE sealed for excellent chemical resistance & high purity.
  • Integrally designed panel mounting, no fasteners required, mounts to panel thicknesses from 1/16" to 1/2".
  • No elastomers (O-Rings), metals or lubricants, no corrosion, no contamination.
End connections:
1/4", 3/8", 1/2" Female NPT, Solvent Socket "Slip". Tube Connections Available Click Here. 
 
Max Pressure Ratings:
PVC: 180 PSI @ 72° Fahrenheit
CPVC: 200 PSI @ 72° Fahrenheit
Polypropylene: 150 PSI @ 72° Fahrenheit
PVDF: 220 PSI @ 72° Fahrenheit
 
Materials of Construction:
Valve Body & Components: Injection molded in PVC, Glass & Mineral Reinforced Polypropylene, CPVC, & High Purity PVDF. FDA, USDA, and USP standards are either met and/or exceeded, please contact us for further validation. 
Stem Seal: The stem seal is machined from 100% Virgin PTFE (Polytetrafluoroethylene).
 
  Data Sheet   (Repair Kit) Instructions 

PLEASE CLICK ITEM # BELOW TO VIEW ADDITIONAL SPECIFICATIONS & DOWNLOADS
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Materials

CPVC, PTFE Seal Polypro (PP), PTFE Seal PVC, PTFE Seal PVDF, PTFE Seal

Inlet x Outlet

1/2" Female NPT 1/4" Female NPT 3/8" Female NPT

Style

Angle Pattern Angle, 90° Pattern Globe, Straight Pattern

Cv Factor

0.310 0.426 0.620 0.780

Item #

Materials

Inlet x Outlet

Style

Cv Factor

List Price

Quantity Add To Cart/Request Quote
NG-250-PVC N/A PVC, PTFE Seal N/A 1/4" Female NPT N/A Globe, Straight Pattern N/A 0.310 $47.50 Add To Cart
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NA-250-PVC N/A PVC, PTFE Seal N/A 1/4" Female NPT N/A Angle, 90° Pattern N/A 0.426 $47.50 Add To Cart
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NG-375-PVC N/A PVC, PTFE Seal N/A 3/8" Female NPT N/A Globe, Straight Pattern N/A 0.310 $47.50 Add To Cart
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NA-375-PVC N/A PVC, PTFE Seal N/A 3/8" Female NPT N/A Angle, 90° Pattern N/A 0.426 $47.50 Add To Cart
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NG-500-PVC N/A PVC, PTFE Seal N/A 1/2" Female NPT N/A Globe, Straight Pattern N/A 0.620 $53.50 Add To Cart
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NA-500-PVC N/A PVC, PTFE Seal N/A 1/2" Female NPT N/A Angle, 90° Pattern N/A 0.780 $53.50 Add To Cart
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NG-250-CPV N/A CPVC, PTFE Seal N/A 1/4" Female NPT N/A Globe, Straight Pattern N/A 0.310 $51.50 Add To Cart
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NA-250-CPV N/A CPVC, PTFE Seal N/A 1/4" Female NPT N/A Angle, 90° Pattern N/A 0.426 $51.50 Add To Cart
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NG-375-CPV N/A CPVC, PTFE Seal N/A 3/8" Female NPT N/A Globe, Straight Pattern N/A 0.310 $51.50 Add To Cart
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NA-375-CPV N/A CPVC, PTFE Seal N/A 3/8" Female NPT N/A Angle, 90° Pattern N/A 0.426 $51.50 Add To Cart
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NG-500-CPV N/A CPVC, PTFE Seal N/A 1/2" Female NPT N/A Globe, Straight Pattern N/A 0.620 $59.50 Add To Cart
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NA-500-CPV N/A CPVC, PTFE Seal N/A 1/2" Female NPT N/A Angle, 90° Pattern N/A 0.780 $59.50 Add To Cart
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NG-250-PPR N/A Polypro (PP), PTFE Seal N/A 1/4" Female NPT N/A Globe, Straight Pattern N/A 0.310 $52.50 Add To Cart
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NA-250-PPR N/A Polypro (PP), PTFE Seal N/A 1/4" Female NPT N/A Angle, 90° Pattern N/A 0.426 $52.50 Add To Cart
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NG-375-PPR N/A Polypro (PP), PTFE Seal N/A 3/8" Female NPT N/A Globe, Straight Pattern N/A 0.310 $52.50 Add To Cart
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NA-375-PPR N/A Polypro (PP), PTFE Seal N/A 3/8" Female NPT N/A Angle, 90° Pattern N/A 0.426 $52.50 Add To Cart
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NG-500-PPR N/A Polypro (PP), PTFE Seal N/A 1/2" Female NPT N/A Globe, Straight Pattern N/A 0.620 $56.50 Add To Cart
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NA-500-PPR N/A Polypro (PP), PTFE Seal N/A 1/2" Female NPT N/A Angle, 90° Pattern N/A 0.780 $56.50 Add To Cart
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NG-250-PVD N/A PVDF, PTFE Seal N/A 1/4" Female NPT N/A Globe, Straight Pattern N/A 0.310 $130.50 Add To Cart
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NG-375-PVD N/A PVDF, PTFE Seal N/A 3/8" Female NPT N/A Globe, Straight Pattern N/A 0.310 $130.50 Add To Cart
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NG-500-PVD N/A PVDF, PTFE Seal N/A 1/2" Female NPT N/A Globe, Straight Pattern N/A 0.620 $130.50 Add To Cart
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NA-250-PVD N/A PVDF, PTFE Seal N/A 1/4" Female NPT N/A Angle Pattern N/A 0.426 $130.50 Add To Cart
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NA-375-PVD N/A PVDF, PTFE Seal N/A 3/8" Female NPT N/A Angle Pattern N/A 0.426 $130.50 Add To Cart
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NA-500-PVD N/A PVDF, PTFE Seal N/A 1/2" Female NPT N/A Angle Pattern N/A 0.780 $130.50 Add To Cart
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Products

Needle Valves
Gauge Guards
Laboratory Faucets
Laboratory Turrets
Lab Base Fixtures
Spray Guns
Accessories
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Contact Us

sales@marquestscientific.com
1 (866) 452-2349
Monday - Friday
8am - 5pm PST
Marquest Scientific, Inc.
2950 Airway Avenue, Bldg C-5
Costa Mesa, California U.S.A.