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View Flow Metering Valves for
Flow Metering Valves

281 Flow Control

This miniature flow control valve is 0.281 inches in diameter and 0.96 inches in length. Delivering optimal fluid control, this valve provides metered flow in one direction and free flow in the other direction. Restrictions are available from 250 to 10,000 Lohms.

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Key Product Facts
  • Type:Flow Control
  • Diameter:0.281 inches
  • Metered Flow Range:250 - 10,000 Lohms
  • Maximum Working Pressure:3000 psi
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Product Information

General Performance
Characteristic Specification
Metered Lohm Rate Tolerance ±5% or ±10%
Nominal System Pressure up to 3000 psi
Cracking Pressure 2 - 8 psid
Free Flow Lohm Rate at 25 psid and Higher 175 Lohms max.
Nominal Weight 4.7 grams
Materials
PART MATERIAL SPECIFICATION
Body 303 CRES QQ-S-763C
Pin 303 CRES QQ-S-763C
Spring Seat 303 CRES QQ-S-763C
Orifice Plate 303 CRES QQ-S-763C
Shuttle Plate 303 CRES QQ-S-763C
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
Free 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
Tolerance
FREE FLOW DIRECTION
LEE PART NUMBER
Tolerance
FREE FLOW DIRECTION
METERED LOHM RATE FREE FLOW LOHM RATE (max.) NOMINAL SCREEN HOLE SIZE (in) Request Information
FCFA2815250L ±5% FORWARD 250 175 0.008 Request
FCFA2815500L ±5% FORWARD 500 175 0.008 Request
FCFA2810750L ±5% FORWARD 750 175 0.008 Request
FCFA2815100D ±5% FORWARD 1000 175 0.008 Request
FCFA2815150D ±5% FORWARD 1500 175 0.008 Request
FCFA2815200D ±5% FORWARD 2000 175 0.008 Request
FCFA2815250D ±5% FORWARD 2500 175 0.008 Request
FCFA2815300D ±5% FORWARD 3000 175 0.008 Request
FCFA2815400D ±5% FORWARD 4000 175 0.008 Request
FCFA2815500D ±5% FORWARD 5000 175 0.006 Request
FCFA2815600D ±5% FORWARD 6000 175 0.006 Request
FCFA2815800D ±5% FORWARD 8000 175 0.004 Request
FCFA2815100H ±5% FORWARD 10000 175 0.004 Request
FCRA2815250L ±5% REVERSE 250 175 0.008 Request
FCRA2815500L ±5% REVERSE 500 175 0.008 Request
FCRA2817500L ±5% REVERSE 750 175 0.008 Request
FCRA2815100D ±5% REVERSE 1000 175 0.008 Request
FCRA2815150D ±5% REVERSE 1500 175 0.008 Request
FCRA2815200D ±5% REVERSE 2000 175 0.008 Request
FCRA2815250D ±5% REVERSE 2500 175 0.008 Request
FCRA2815300D ±5% REVERSE 3000 175 0.008 Request
FCRA2815400D ±5% REVERSE 4000 175 0.008 Request
FCRA2815500D ±5% REVERSE 5000 175 0.006 Request
FCRA2815600D ±5% REVERSE 6000 175 0.006 Request
FCRA2815800D ±5% REVERSE 8000 175 0.004 Request
FCRA2815100H ±5% REVERSE 10000 175 0.004 Request
FCFA2810250L ±10% FORWARD 250 175 0.008 Request
FCFA2810500L ±10% FORWARD 500 175 0.008 Request
FCFA2810750L ±10% FORWARD 750 175 0.008 Request
FCFA2810100D ±10% FORWARD 1000 175 0.008 Request
FCFA2810150D ±10% FORWARD 1500 175 0.008 Request
FCFA2810200D ±10% FORWARD 2000 175 0.008 Request
FCFA2810250D ±10% FORWARD 2500 175 0.008 Request
FCFA2810300D ±10% FORWARD 3000 175 0.008 Request
FCFA2810400D ±10% FORWARD 4000 175 0.008 Request
FCFA2810500D ±10% FORWARD 5000 175 0.006 Request
FCFA2810600D ±10% FORWARD 6000 175 0.006 Request
FCFA2810800D ±10% FORWARD 8000 175 0.004 Request
FCFA2810100H ±10% FORWARD 10000 175 0.004 Request
FCRA2810250L ±10% REVERSE 250 175 0.008 Request
FCRA2810500L ±10% REVERSE 500 175 0.008 Request
FCRA2817500L ±10% REVERSE 750 175 0.008 Request
FCRA2810100D ±10% REVERSE 1000 175 0.008 Request
FCRA2810150D ±10% REVERSE 1500 175 0.008 Request
FCRA2810200D ±10% REVERSE 2000 175 0.008 Request
FCRA2810250D ±10% REVERSE 2500 175 0.008 Request
FCRA2810300D ±10% REVERSE 3000 175 0.008 Request
FCRA2810400D ±10% REVERSE 4000 175 0.008 Request
FCRA2810500D ±10% REVERSE 5000 175 0.006 Request
FCRA2810600D ±10% REVERSE 6000 175 0.006 Request
FCRA2810800D ±10% REVERSE 8000 175 0.004 Request
FCRA2810100H ±10% REVERSE 10000 175 0.004 Request
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Installation & Accessories

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

CAD Envelopes

CAD Envelope

Resources

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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