Low Pressure

Return Line Indicators

Series LP & LD

Model LP
Pop Up Indicator

SPECIFICATIONS

Standard Settings: LP-10-10 PSID (0.7 BAR) LP-20-20 PSID (1.4 BAR) LP-25-25 PSID (1.7 BAR)

Operating Temperature: -40° F (-40° C) to 200° F (93° C) continuous

Housing: Nickel plated cold rolled steel

Sight Dome: Transparent, high impact polycarbonate

FEATURES

Provides visual warning signal indicating:

  • Contaminated filter element
  • Low fluid temperature
  • High fluid viscosity
  • Impending opening of filter bypass valve

DESCRIPTION

The LP indicator red alert sleeve has a full 360° visibility. Mounted upstream of filter or directly on filter inlet side, the model LP requires no maintenance or calibration, and resists vibrations and shocks.

2_indicator.psd

2_1.psd

2_2.psd

Model LD
Low Pressure Dial Indicator

FEATURES

Utility gauge with color zones for optimal filter performance. Black steel case and bezel, copper alloy internals.

SPECIFICATIONS

Connection: Center back mount LD-30 & LD-60 = 1/8″ NPT

Accuracy: 3-2-3% of span, ASME B40. 1 Grade B

Ambient Temp: -50° F to 160° F

LD-30 Dial Unit A B C D E
1 1/2″ in. 1.60″ 1.04″ 0.53″ 1.57″ 1/8″NPT
mm. 43 26 13 40
LD-60 Dial Unit A B C D E
2″ in. 2.07″ 1.03″ 0.83″ 1.86″ 1/8″NPT
mm. 53 26 21 47
Color Zones
Part Number Range Green Yellow Red
LD-30 0/30 0-15 N/A 15-30
LD-60 0/60 psi 0-20 20-25 25-60

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20_chart.psd