Tubular Gauge Valves - Stainless Steel

Features
• Vessel Connection Sizes:
     1/4" NPT up to 1" Flanged
• Auto Ball Checks
• For Glass Tube or Shielded Gauges

Ratings
• Pressure Ratings
are subject to the
   limitations of the gauge glass (Page 42)
• Temperature Ratings are subject to the
    limitations of the packing (Page 45).

Materials
• Body: 316 Stainless Steel
• Glass Packing: Viton
®*
• Stem Packing: Teflon
®*

A Special Note About Corrosion
• Excessive corrosion may result in leakage, glass
   breakage, and premature valve failure.
• Be sure all wetted components of the g auge are
   constructed with materials compatible with the
   service medium. John C. Ernst Co. does not
   make chemical compatibility recommendations.
• See the "Compass Corrosion Guide" or
   equivalent for material compatibility


Model 416 has a Viton O-Ring for the glass packing, and the retainer is 15-7SS. Drain Valves are optional..

Model Size

NPT
Glass OD Glass Length from Centers Rod Length from Centers
416-04 1/2" 5/8" - 2" - 1/2"
416-05 3/4" 3/4" - 2" - 1/2"
440-02 1/4" 5/8" - 2-1/4 - 1-1/4"
440-03 3/8" 5/8" - 2-1/4 - 1-1/4"
440-04 1/2" 5/8" - 2-1/4 - 1-1/4"
440-05 3/4" 5/8" - 2-1/4 - 1-1/4"
447-04 1/2" 5/8" - 2-3/4" - 1-1/2"
447-05 3/4" 5/8" - 2-3/4" - 1-1/2"
448-04 1/2" 5/8" - 2 - 1-1/2"
448-05 3/4" 5/8" - 2 - 1-1/2"

Model Maximum Liquid Pressure @ Temp

PSIG / F
Steam Service

PSIG
Auto Ball Checks
416 500/100F to 500/425F N/A Yes
440 150/100F to 150/300F N/A No
447 300/100F to 300/300F N/A Optional
448 250/100F to 250/400F N/A No

For Glass see Page 42.
For Shielded Gauges see Page 34.
 
*Viton®
is a registered trademark of DuPont Dow Elastomers
*Teflon
®  is a registered trademark of DuPont 
 
Catalog Page 27
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John C. Ernst Co., Inc.
Sparta, NJTel: 973-940-1600Fax: 973-940-1620
Toll Free: 1-888-463-7678

Email: info@johnernst.com

Mailing Address
21 Gail Court
Sparta, NJ 07871
Physical Address
21 Gail Court
Sparta, NJ 07871