Papailias Incorporated
245 Pegasus Ave., Northvale, New Jersey 07647
Phone: 201-767-4027
Email: sales@papailias.com • Website: www.papailias.com
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Double Window Sight Glasses

 
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The double window assembly offers the user an extra layer of reliability by controlling the factors which cause a lens to fail.

If a lens fails, the cause can, in most instances, be traced to one or a combination of the following factors: a stress concentration, thermal stress or shock, erosion or corrosion, and mechanical damage. The double window design provides extra protection against these causes of failure. All sizes except NW150-DW and NW200-DW are rated standard for 150 PSIG (10.3 Barg) pressure and full vacuum at 300 ºF (149 ºC) temperature. NW150- DW and NW200-DW are rated for 125 PSIG (8.6 Barg) pressure at 300 ºF (149 ºC) temperature. Higher pressure and temperature ratings are available upon request.


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Item #

Size

Dimension A

Dimension B

Dimension C

Dimension D
NW50-DW 50 mm 4 3/8 in
111 mm 		3 1/4 in
83 mm 		1 7/8 in
48 mm 		3/8 in
10 mm
NW80-DW 80 mm 5 1/16 in
129 mm 		4 in
102 mm 		1 7/8 in
48 mm 		3/8 in
10 mm
NW100-DW 100 mm 6 3/8 in
162 mm 		5 in
127 mm 		1 15/16 in
49 mm 		7/16 in
11 mm
NW125-DW 125 mm 7 3/8 in
187 mm 		6 in
152 mm 		1 15/16 in
49 mm 		7/16 in
11 mm
NW150-DW 150 mm 8 3/8 in
213 mm 		6 7/8 in
175 mm 		2 in
51 mm 		1/2 in
13 mm
NW200-DW 200 mm 10 7/16 in
265 mm 		8 13/16 in
224 mm 		2 3/8 in
60 mm 		1/2 in
13 mm
  Results 1 - 6 of 6 1