John C. Ernst

JOHNS C. ERNST COMPANY’S goal is to provide costumers with products that meet or exceed their requirements and expectations with competitive prices and timely deliveries, and achieve complete costumer satisfaction through our knowledgeable technical sales staff by responding willingly and courteously in the most expeditious manner possible to providing solutions and traning for the costumer needs. we carefully select qualified venders for materials and equipment to uphold our product quality commitment and strict ethical code.

COMPANY INFORMATION

JOHN C. ERNST
GLASS & GASKETS
Model 540M/541M Molded Annular Edge Glass Circles
SKU: JEGGC

Maxos Molded Annular Edge replacement glass has outstanding Quality and Clarity characteristics. It has a standard thickness of 3/4″ and is made of borosilicate.

 

Model 540M – Annealed

This glass is used for the lower pressure applications.

 

Model 541M – Tempered

This tempered glass is used for higher pressure applications.

JOHN C. ERNST
GLASS & GASKETS
Redline Glass & Tubing for Level Gauges
SKU: JEGG

Model 506

 

Duran Borosilicate. 

Lengths up to 144″. Wall ±1/64″ 5/8″OD:+0 -1/32″, 3/32″ wall 3/4″OD:+0 -1/32″, 7/64″ wall Other OD’s: 1/2″, 7/8″, 1″, Magnifies clear liquids as red.

 

Model 508 – Heavy Wall

 

Redline Duran Borosilicate.

Lengths up to 48″. 5/8″OD:+1/64″ -3/64″, 3/16″ wall 3/4″OD:+1/64″ -3/64″, 7/32″ wall Magnifies clear liquids as red. Recommended for Steam.

JOHN C. ERNST
GLASS & GASKETS
Flat Plate Glass Circles & Rectangles
SKU: JEGCR

Flat plate Glass Circles & Rectangles

  • Clear

  • Blue

 

Annealed Borosilicate – Clear

Good for normal service where one surface is heated to a maximum temperature of 446°F (230°C), using 1/4″ or thicker glass. The temperature difference between ambient and process should not exceed 150°F.

 

Tempered Borosilicate – Clear

Recommended for use where higher pressures are required than can be obtained with Annealed Borosilicate. Maximum service temperature is 500°F (260°C). No corrosion to surface, nor severe chill can be tolerated.

 

Cobalt Blue Furnace – Blue

Used to reduce glare when observing flame, smoke, and ash intensity in power plants and marine boilers. Thickness up to 1/4″.

Vycor – Clear

Can be used continuously at 1652°F (900°C). The temperature difference between ambient and process surfaces should not exceed 600°F. Thickness up to 1/2″. Excellent optical properties.

 

Fused Quartz – Clear

For industrial and laboratory applications. Can be used continuously at 1742°F (950°C). Commercial Grade is standard. Optical Grade is available.

 

Glass For

  • Furnaces, Ovens

  • Observation Equipment

  • Flow Indicators

  • Pressure Vessels/Tanks

JOHN C. ERNST

LIQUID LEVEL GAUGES

Models 408/409/414/415

SKU: JEBRZ400

Features

  • Sizes 1/2″ NPT up to 1″ Flanged

  • Auto Ball Checks (ASME)

  • For Glass Tube or Shielded Gauges

 

Ratings

  • Pressure Ratings are subject to the limitations of the gauge glass

  • Temperature Ratings are subject to the limitations of the packing

JOHN C. ERNST

LIQUID LEVEL GAUGES

Models 401/402/403/405 Tubular Gauge Valves – Brass

SKU: JEBRA400

Features

  • Vessel Connection Sizes: 3/8″ to 3/4″ NPT

  • Auto Ball Checks Available

  • For Glass Tube or Shielded Gauges

 

Ratings

  • Pressure Ratings are subject to the limitations of the gauge glass

  • Temperature Ratings are subject to the limitations of the packing

JOHN C. ERNST
LIQUID LEVEL GAUGES
Models 436/446/455/457 Tubular Gauge Stainless Steel (Heavy Duty)
SKU: JESHD400

Features

  • Sizes 1/2″ NPT up to 2″ Flanged

  • Auto Ball Checks

  • For Glass Tube or Shielded Gauges

 

Ratings

  • Pressure Ratings are subject to the limitations of the gauge glass

  • Temperature Ratings are subject to the limitations of the packing

JOHN C. ERNST

LIQUID LEVEL GAUGES

ModelS 726/728/733 Try Cocks and Drain Cocks

SKU: JECDC

Drain Cocks – Polished Bronze
Rated for 300 psi Working Steam Pressure

Rated for 500 psi @ 100°F Gas/Liquid Pressure

Try Cocks – Bronze

Rated for 250 PSIG

JOHN C. ERNST
LIQUID LEVEL GAUGES
Model 049 Magnetic Level Gauge–Flag Type
SKU: JEFT

Features

  • No Glass

  • Up to 20 Foot Centers

  • Flag System Visual Indication

  • High Visibility

  • Electronic Outputs

  • Environmentally Safe

  • For Steam Service

  • ASME, ASTM, ANSI Ratings

  • Various Materials Available

  • Tri-Clover Sanitary Fittings, CIP

JOHN C. ERNST
SIGHT FLOW INDICATORS
Model 6260 Sanitary Sight Gauge – Tri-Clamp
SKU: JE6260

Features

  • Sizes 1/2″ to 4″ Tri-Clamp

  • Crevice Free

  • CIP, SIP, COP

  • Mechanical Finish-180 Grit

 

Ratings

  • 100 psi @ 250°F

  • 150 psi @ 70°F

  • Vacuum: 29 Inches Hg.

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