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View Flow Metering Valves for
Flow Metering Valves

281 Flosert Flow Metering Valve

This miniature, pressure-compensating flow control valve is 0.281 inches in diameter and 1.28 inches in length. This valve provides a constant flow rate over a wide range of pressure differentials. Regulated flow rates are available from 0.1 to 1 GPM.

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Key Product Facts
  • Type:Flosert
  • Diameter:0.281 inches
  • Regulated Flow Rate:0.1 - 1.0 gpm
  • Maximum Working Pressure:3000 psi
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Product Information

General Performance
Characteristic Specification
Regulated Flow Tolerance ±10%
Nominal Screen Hole Size 0.015 inches
Nominal System Pressure up to 3000 psi
Nominal Weight 6.4 grams
Materials
PART MATERIAL SPECIFICATION
Body 303 CRES QQ-S-763C
Pin 303 CRES QQ-S-763C
Piston 416 CRES QQ-S-763C
Spool 440C CRES AMS 5630
Spring 17-7PH CRES AMS 5678
Screen 304L CRES ASTM A 666
Braze --- AMS 4774
Finish: All CRES parts passivated.
Pins are prewaxed. Do not degrease. Do not lubricate.
Cross Section Views
Regulated Flow Forward
Dimensional View
This image is for reference only. All dimensions are in inches.
Installation Hole Details
This image is for reference only. All dimensions are in inches.

Part Numbers & Specifications

This table below contains the part numbers and technical specifications for this product. If you have specific questions, need a quote, or would like to request a handbook or drawing, click the red request button in the column on the far right.

Part Numbers & Specifications
Filter Part Numbers
REGULATED FLOW DIRECTION
LEE PART NUMBER
REGULATED FLOW DIRECTION
REGULATED FLOW ON MIL-PRF-83282 at 85°F (GPM) FLOW REGULATION RANGE (psid) NOMINAL LOHM RATE NON REGULATING FLOW DIRECTION Request Information
FLFA2812310D FORWARD 1 200 - 3000 280 Request
FLFA2812390L FORWARD 0.9 175 - 3000 300 Request
FLFA2812380L FORWARD 0.8 150 - 3000 340 Request
FLFA2812370L FORWARD 0.7 125 - 3000 380 Request
FLFA2812360L FORWARD 0.6 100 - 3000 425 Request
FLFA2812350L FORWARD 0.5 100 - 3000 485 Request
FLFA2812340L FORWARD 0.4 100 - 3000 550 Request
FLFA2812335L FORWARD 0.35 100 - 3000 625 Request
FLFA2812330L FORWARD 0.3 100 - 3000 680 Request
FLFA2812325L FORWARD 0.25 100 - 3000 800 Request
FLFA2812320L FORWARD 0.2 100 - 3000 850 Request
FLFA2812315L FORWARD 0.15 100 - 3000 1600 Request
FLFA2812310L FORWARD 0.1 100 - 3000 1900 Request
FLFA2812310D REVERSE 1 200 - 3000 280 Request
FLFA2812390L REVERSE 0.9 175 - 3000 300 Request
FLFA2812380L REVERSE 0.8 150 - 3000 340 Request
FLFA2812370L REVERSE 0.7 125 - 3000 380 Request
FLFA2812360L REVERSE 0.6 100 - 3000 425 Request
FLFA2812350L REVERSE 0.5 100 - 3000 485 Request
FLFA2812340L REVERSE 0.4 100 - 3000 550 Request
FLFA2812335L REVERSE 0.35 100 - 3000 625 Request
FLFA2812330L REVERSE 0.3 100 - 3000 680 Request
FLFA2812325L REVERSE 0.25 100 - 3000 800 Request
FLFA2812320L REVERSE 0.2 100 - 3000 850 Request
FLFA2812315L REVERSE 0.15 100 - 3000 1600 Request
FLFA2812310L REVERSE 0.1 100 - 3000 1900 Request
Clear Filters

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CUTA2810114C Installation / Extraction Tool Set
PRFA2810003A Replacement Pin

CAD Envelopes

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The Lee Company has developed the Lohm Laws for defining and measuring resistance to fluid flow. The Lohm is defined such that 1 Lohm will flow 100 GPM of water with a pressure drop of 25 psi at a temperature of 80°F.

Lohms for Liquids Lohms for Gases