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Miniature Screw Driver Adjusted Pressure RegulatorItem # 48225-90US

The Series 48 miniature regulator has characteristics similar to the Series 50 miniature regulator. The unit, however, is specially designed for systems where constant adjustment of pressure is not necessary.

The Series 48 regulator is designed for mounting in panel interiors. Two (10-32) tapped holes are provided in the side of the housing for attachment to panel or mounting brackets. Ports (2) are 180° apart on the sides of the unit housing.

A variety of regulation ranges is available to suit most applications. Special designs are available.
Item #48225-90US
DiagramsNon- Relieving
Secondary Pressure Regulation Range0 - 60 psi (4 Bar)
Operating Pressure Range0 to 145 psi
Port Type10-32 (M5) NPT Ports
Regulator Range0 to 75 psi
Porting10-32 (M5) or 1/8
Flow RateDependent on regulator model.
MediaFiltered Air
TypesNon-Relieving. Single stage, diaphragm/spring construction
Response TimeDependent on secondary volume. Response average: 45ms at 20% loss of secondary air pressure; 100ms at 50% loss of secondary air pressure.
AdjustmentEquipped with locking nut to prevent tampering after setting is made
Screw driver
MaterialsBuna N Seals
Brass Housing (Nickel Plated)
Stainless Interior Parts
Brass Interior Parts
Polyamide Cover
Operating Ambient0 to +60 C
32 to 140 F
Height1 5/8 in.
Width1 3/16 in²
Weight6 oz.
MountingVia (2) 10-32 tapped holes on side of housing
Mounting bracket available
OperationRelieving type regulators allow excessive pressure on the secondary side of the regulator to bleed off to the atmosphere, helping maintain steady pressure. Non-relieving types are used where pressure build up is not a concern as in air motors, or air gun
  • Flow Chart
    Flow Chart

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