LF-5500 pages
LF-550 Series
‘Low Flow’ Pressure Reducing Regulator Piston Sensed for outlet control to 414bar / 6000psi
HANDLE
SCREW
BEARING
BONNET
ADJUSTING
SCREW
MAIN
SPRING
SENSOR
SENSOR
HOLDER
LOWER SPRING
REST
VALVE
CAGE
SPACER
SEAT
CONNECTOR
MAIN
VALVE
SEAT
NUT
INLET
OUTLET
*Assembly drawing for reference only. Refer to office for specific detail.
Designed with precision machined sensing elements to
allow fine pressure control on pressures up to 414bar.
Two piston sensors combined with two spring ranges,
provide 4 outlet control options with a combination of low
torque adjustment and excellent sensitivity. A self venting
design and optional ratio loaded actuator makes it an ideal
regulator for use with electro-pneumatic controllers for
automated pressure control.
APPLICATIONS:
• Test and calibration systems
• Aircraft charging carts
• Diving applications
• Automated pressure cycling
• Gas assisted plastic injection systems
FEATURES:
690bar / 10000psi inlet pressure
Precision machined sensing elements
Load bearings and large handwheel for low torque
adjustment
Excellent sensitivity
Self venting and non venting options
STANDARD MATERIALS OF CONSTRUCTION
Regulator part
Material
Body and Bonnet
316SS
Main valve pin
316SS
Seat
PEEK
Valve spring
Inconel X750
Sensor and Holder
316SS
Handwheel
Nylon
Valve Cage and Seat Nut
316SS
Spring rests
316SS
‘O’ ring seals
NBR, Viton or EPDM
Adjusting screw
Ali Bronze
Loading Spring
Spring Steel
Lubricant
Krytox GPL 205
NOTE: Product availability and specifications contained herein are subject to change without notice. Consult local distributor or factory for potential revisions and/or service related issues.
PRESSURE TECH LTD, Unit 6, Graphite Way, Hadfield, Glossop, Derbyshire SK13 1QG
Tel: +44 (0)1457 899307 Fax: +44 (0)1457 899308
e-mail: info@pressure-tech.com
reg nº: 10049401
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www.pressure-tech.com
Designed and built in the UK