John C. Ernst Co, Inc.
John C. Ernst Co, Inc.
21 Gail Court
Sparta, NJ 07871-3438
USA

Toll Free: 888.943.5000
Phone: 973.940.1600
Fax: 973.940.1620
Email: sales@johnernst.com
Website: www.johnernst.com
Print Back
Benefits & Features
  • Provides direct visual observation of process in vessels
  • Welds or bolts on directly to vessel
  • Sizes 1" to 8"
  • 150 lb ASME B16.5 Flanges
Unit of Measure

Specifications

Series

 N/A W11

Former JCE Model Number

 N/A 311

Size

 N/A 4 in

Flange Material (Wetted)

 N/A Carbon Steel

Gasket Material

 N/A Neoprene

Lens

 N/A Tempered Borosilicate

Visible Diameter/Length

 N/A 4.50 in

Cover Material

 N/A Carbon Steel

Weight

 N/A 27.5 lbs

Standard Ratings

Pressure Rating @ 100 ºF

 N/A 285 PSIG

Pressure Rating @ 250 ºF

 N/A 245 PSIG

Dimensions

Length

 N/A 11.5 in

Width

 N/A 11.5 in

Height

 N/A 10.75 in