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Minden, NV, 89423
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(775)782-1026

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Gauges on Welded Diaphragm Seals

OFFERING THE PREMIER GAUGE / MINI-SEAL COMBO

ADVANTAGES

Unmatched Performance

Gearless, Direct Drive Design sets the industry standard for vibration, pulsation and shock resistance. Compact, low-volume setup reduces the impact of temperature fluctuations on gauge accuracy.

No Liquid Fill

Eliminate the risk of gauge fill fluid leaking or discoloring. Sanitary environment friendly. Reduce pointer flutter with Perma-Cal’s® unique internal pointer dampening.

Eliminate Leak Paths

Sleek, all-welded design customized to perform specifically with Perma-Cal® gauges and eliminate potential leak paths.

Price Advantage

Superior performance at a superior price

Perma-Cal® Gauge/ Mini-Seal vs. Traditional C-Tube Gauge/ Seal.

 

general specifications

 

TYPICAL APPLICATIONS

Ideal for use on processes which are corrosive, viscous, unrefined or unfiltered.

Prevents media from clogging the Bourdon tube.

  • Chemical plants

  • Wastewater treatment facilities

  • Sanitary environments (food and beverage)

  • Crude oil pipelines

  • Ethanol production facilities

  • Refineries, and more...

ACCURACY

  • ±.5% of F.S. (Grade 2A)

  • ±.5% F.S. at M.S. / ±1% F.S.

Accuracy Ref. @ 68°F, ±2°F

Diaphragm seals installed on gauges below 100 psi may experience loss of accuracy at low pressures.

RANGE AVAILABILITY

  • Vacuum - 1,000 psi (or equivalent)

  • Units: psi, bar, kPa, kg/cm² (others available)

  • Types: Single or Dual Scale, Vacuum and Compound

CASE CONFIGURATIONS

Material:

  • ABS (acrylonitrile butadiene styrene)

  • Aluminum

  • Glass-Filled Nylon: High-Temp Yellow Turret Style

  • Stainless Steel

Sizes, Types and Colors:

  • 2.5", 3.5", 4.5"

  • No Flange, Rear Flange, Turret

  • Black, Blue, Green, Red, White, Yellow or other specified

Metal Case Finish: Powder Coated or Unpainted

OTHER SPECIFICATIONS

Window Construction:

  • Acrylic

  • Tempered Glass (increases heat tolerance)

Overpressure w/o Calibration Shift:

  • 150% of F.S. pressure

DIAPHRAGM SEAL SPECS

Material (wetted parts):

  • Stainless Steel

  • Hastelloy

Connection Type:

  • 1/4 or 1/2 FNPT

  • 1/4 or 1/2 MNPT

  • Bottom mount only

Burst Pressure: 10,000 psi

Max Working Pressure: 2,000 psi

Other options available. Contact the factory.

OPERATING TEMPERATURE

  • Media Temperature: -40°F to 650°F

  • Ambient Temperature:

    • ABS: -40°F to 190°F

    • GFN and Metal: -40°F to 400°F

Case, Diaphragm Seal, and Fill Fluid selection determines operating temperature range.

FILL FLUIDS

Standard Fill:

  • Silicone DC200 (or equivalent)

  • Operating Temp: -40°F to 400°F

Inert Fill:

  • Halocarbon 6.3 (similar to Fluorolube but suitable for vacuum service)

  • Operating Temp: -40°F to 400°F

High-Temp Fill:

  • Silicone DC704 (or equivalent)

  • Operating Temp: 0°F to 650°F

Max 200°F in vacuum service for all fills. Click here for more information on vacuum service.

Other options available. Contact the factory.

LIFETIME LIMITED WARRANTY

Lifetime warranty that the Bourdon tube will not malfunction due to wear.

1 year from delivery or 18 months from date of manufacture against defects in materials and workmanship.