1. Observation ViewPorts

 

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

 

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