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View Flow Metering Valves for
Flow Metering Valves

281 High Pressure Flosert Flow Metering Valve

This miniature, pressure-compensating flow control valve is 0.281 inches in diameter and 1.51 inches in length. Ideal for high pressures, 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:5000 psi
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Product Information

General Performance
Characteristic Specification
Regulated Flow Tolerance ±10%
Nominal System Pressure up to 5000 psi
Nominal Weight 7 grams
Materials
PART MATERIAL SPECIFICATION
Body 15-5PH CRES AMS 5659
Pin 15-5PH CRES AMS 5659
Filter Screens 15-5PH CRES AMS 5659
Spring Seat 304 CRES AMS 5639
Spool 13-8 MO AMS 5629
Orifice Plate 304 CRES ASTM-A-666
Piston 416 CRES QQ-S-763C
Spring 17-7PH CRES AMS 5678
Internal Seal GFP with 316 or MP35N Spring --
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
FLFA2812510D FORWARD 1 200 - 5000 280 Request
FLFA2812590L FORWARD 0.9 175 - 5000 300 Request
FLFA2812580L FORWARD 0.8 150 - 5000 340 Request
FLFA2812570L FORWARD 0.7 125 - 5000 380 Request
FLFA2812560L FORWARD 0.6 100 - 5000 425 Request
FLFA2812550L FORWARD 0.5 100 - 5000 485 Request
FLFA2812540L FORWARD 0.4 100 - 5000 550 Request
FLFA2812535L FORWARD 0.35 100 - 5000 625 Request
FLFA2812530L FORWARD 0.3 100 - 5000 680 Request
FLFA2812525L FORWARD 0.25 100 - 5000 800 Request
FLFA2812520L FORWARD 0.2 100 - 5000 850 Request
FLFA2812515L FORWARD 0.15 100 - 5000 1600 Request
FLFA2812510L FORWARD 0.1 100 - 5000 1900 Request
FLRA2812510D REVERSE 1 200 - 5000 280 Request
FLRA2812590L REVERSE 0.9 175 - 5000 300 Request
FLRA2812580L REVERSE 0.8 150 - 5000 340 Request
FLRA2812570L REVERSE 0.7 125 - 5000 380 Request
FLRA2812560L REVERSE 0.6 100 - 5000 425 Request
FLRA2812550L REVERSE 0.5 100 - 5000 485 Request
FLRA2812540L REVERSE 0.4 100 - 5000 550 Request
FLRA2812535L REVERSE 0.35 100 - 5000 625 Request
FLRA2812530L REVERSE 0.3 100 - 5000 680 Request
FLRA2812525L REVERSE 0.25 100 - 5000 800 Request
FLRA2812520L REVERSE 0.2 100 - 5000 850 Request
FLRA2812515L REVERSE 0.15 100 - 5000 1600 Request
FLRA2812510L REVERSE 0.1 100 - 5000 1900 Request
Clear Filters

Installation & Accessories

Replacement Parts & Accessories
PART NUMBER DESCRIPTION
CUTA2810114C Installation / Extraction Tool Set
SHBA2810003A 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