GrandMfg® observation ports Sight glass winodows Ölschauglas
Grand Hardware sight glasses are used for visual inspection of the contained areas under the influence of high temperatures and / or pressures. These type of sight glasses are leak-proof constructed by a single compact construction of burner.
1.Thread Types:Metric thread, BSP Thread and NPT Thread.
2.Our Sight glass can withstand pressures of up to about 25 bar.
3.Tempered Glass Withstand temperatures up to 200 ° C.
4.The special welding process makes additional sealing rings unnecessary.
5.Quartz sight glass is resistant to breakage under rapidly changing temperatures to 1200° C.
6.The metal housing is available with a zinc/Nickel/Chrome in the case of use in corrosive environment for different customers.
| Observation Ports Sight Glass(Metric Thread) |
| Item No. |
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(mm) |
SW(mm) |
Remarks |
| GM-BOPM16 |
12 |
10 |
18 |
10 |
22 |
19 |
Tempered Glass Max Temperature:200 Centigrade. Quartz glass Max Temperature:1200 Centigrade. |
| GM-BOPM20 |
12 |
10 |
22 |
14 |
26 |
24 |
| GM-BOPM22 |
12 |
10 |
23 |
15 |
28 |
25 |
| GM-BOPM26 |
12 |
10 |
26 |
18 |
31 |
31 |
| GM-BOPM27 |
12 |
12 |
27 |
19 |
32 |
32 |
| GM-BOPM30 |
12 |
12 |
28 |
20 |
37 |
34 |
| GM-BOPM33 |
12 |
12 |
30 |
22 |
40 |
38 |
| Observation Ports Sight Glass(BSP Thread) |
| Item No. |
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(mm) |
SW(mm) |
Remarks |
| GM-BOPG38 |
12 |
8 |
15 |
10 |
G3/8" |
19 |
Tempered Glass Max Temperature:200 Centigrade. Quartz glass Max Temperature:1200 Centigrade. |
| GM-BOPG12 |
12 |
9 |
20 |
15 |
G1/2" |
24 |
| GM-BOPG34 |
12 |
10 |
25 |
18 |
G3/4" |
30 |
| GM-BOPG10 |
12 |
12 |
30 |
22 |
G1" |
40 |
| GM-BOPG114 |
12 |
13 |
36 |
28 |
G1-1/4 |
48 |
| GM-BOPG112 |
12 |
13 |
41 |
33 |
G1-1/2" |
55 |
| GM-BOPG200 |
12 |
13 |
51 |
43 |
G2" |
68 |
| Observation Ports Sight Glass(NPT Thread) |
| Item No. |
A(mm) |
B(mm) |
C(mm) |
D(mm) |
E(mm) |
SW(mm) |
Remarks |
| GM-BOPN12 |
10 |
14 |
20 |
15 |
NPT1/2" |
24 |
Tempered Glass Max Temperature:300 Centigrade. Quartz glass Max Temperature:1200 Centigrade. |
| GM-BOPN34 |
10 |
17 |
25 |
18 |
NPT3/4" |
30 |
| GM-BOPN10 |
10 |
21 |
30 |
22 |
NPT1" |
40 |
| GM-BOPN114 |
10 |
22 |
36 |
28 |
NPT1-1/4 |
48 |
| GM-BOPN112 |
12 |
23 |
41 |
33 |
NPT1-1/2" |
55 |
| GM-BOPN200 |
12 |
25 |
51 |
43 |
NPT2" |
68 |
|
