Sight Windows - Standard & ANSI Rated
FlatPad - This window mounts directly to the tank wall and is welded in place.

 Model    Pad Material
 028        Carbon Steel
 058        316L Stainless


Model 058 and 059 are shown with a Stainless Steel Cover which is optional.
 

Features
• Sizes 1" to 8" Conn.
• For Process Observation
• Standard 150 PSI Rated
   or ANSI Rated
• 150# & 300# Flanges Avail.
• Various Mountings
• Illuminators & Wipers
   Available

Ratings*
Standard Rated (ST)
      150 PSI Maximim
ANSI Rated (AN)
      275 PSI @ 100F and
      170 PSI @ 500F

Materials
Pad: Carbon Steel or 316LSS
Cover: Carbon Steel
Glass: Borosilicate

Temperature ratings are dependent on seal material. See seal material below.

 

How to Order:
For Standard Rated units add "ST" to the Model Number. Ex: 310ST
For ANSI Rated units add "AN" to the Model Number. Ex: 310AN


Gasket Material Temp F
Viton®*
Neoprene
Buna-N
Teflon
®* Envelope
Ethylene Propylene
Non-Asbestos C4401
Grafoil
400
200
250
300
300
500
500


Flg Size A B C2 C3
1 4-1/4 1-3/8 1-3/4 3
1 5 1-15/16 2 3-1/2
2 6 2-7/16 2-1/2 3-7/8
3 7-1/2 3-9/16 2-3/4 4-3/8
4 9 4-9/16 2-7/8 4-3/4
6 11 6-3/4 3-7/8 6
8 13-1/2 8-11/16 4-3/8 7

Radius Pad - This window has a radius pad to conform to a pipe or curved vessel diameter and welded in place. The radius can be cylindrical or spherical.

 Model    Pad Material
 029        Carbon Steel
 059        316L Stainless

Bolt-On - This window mounts directly to an existing 150# ANSI flange. Consult sales office for other flange configurations.

Model    Pad Material
 030        Carbon Steel
 036        316 Stainless

Weld Neck - This window is designed to butt weld to the end of a pipe or weld directly to a tank port.

Model    Pad Material
 311        Carbon Steel
 351        316L Stainless

  *Viton® is a registered trademark of DuPont Dow Elastomers
*Teflon
® is a registered trademark of DuPont
 
Catalog Page 47
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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