Constant Flow Selector Valves

LSP Constant Flow Selector Valves are designed for use with hospital and/or portable oxygen systems where a metered supply of oxygen is required. Unlike standard flow meters and flow gauges, the LSP selector valves have five distinct flow rate settings. These highly accurate selector valves offer repeatable flow rates regardless of orientation or visibility.

The unit has 1/8″ NPT thread to allow attachments of Schrader, Ohio Medical, Hansen or NCG disconnects. Constant flow selector valves lock into place with each selected liter flow setting. All knobs are clearly marked and are accurately adjustable, even in low light situations.

The polycarbonate selector knob is virtually unbreakable and designed to withstand rugged abuse. Lightweight aluminum and a low-profile design make these valves ideal for emergency medical applications.

The selector valve’s ease of operation in demanding environments and rugged low-profile design have made it the choice of emergency medical professionals.

Key Features
  • Five distinct flow rate settings
  • 1/8” NPT thread
  • Constant flow selector valves lock into place
  • Knobs are clearly marked and are accurately adjustable
  • The polycarbonate selector knob is virtually unbreakable and designed to withstand rugged abuse
  • Lightweight aluminum and a low-profile design
Inlet Pressure

50 psig nominal

Operating Temperature

-30° F to 125° F

Storage Temperature

-40° F to 160° F

Flow Rates

2, 4, 6, 10 and 15 lpm (all flow rate settings accurate within ±10 per cent)

Filter

25 micron stainless steel mesh screen

Inlet Port

1/8" NPT female

Outlet Fittings

L233 & L233-050: Barbed-type fitting which can be removed for access to a standard male oxygen DISS-type fitting
L233-020: Barbed-type fitting only

Materials

Body – anodized aluminum
Knob – polycarbonate

Constant Flow Selector Valves

PARTDescription
L233Constant Flow Selector Valve with oxygen DISS outlet, 2, 4, 6, 10 & 15 lpm
L233-020Constant Flow Selector Valve with oxygen barbed outlet, 2, 4, 6, 10 & 15 lpm
L233-050Constant Flow Selector Valve, with oxygen DISS outlet, 2, 4, 6, 10 & 25 lpm

Committed to Clinical Support

Allied proudly supports clinicians to enhance their professional development and patient care. We work collaboratively alongside leading specialists to develop products that advance the delivery of their patient’s care.

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