PRODUCT  INFORMATION

Sight glass type SSG-22-DN25-T → PSmax: 60 bar

Sight glass with welding connection DN25

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 60 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 45 bar

Sight glass type SSG-22T → PSmax: 60 bar

Sight glass with Swagelok connection

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 60 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 45 bar

Sight glass type SSG-25-16/DN15-T → PSmax: 160 bar

Sight glass with welding connection DN15
Suitable for transcritical CO2 applications

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 160 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 120 bar

FL1 – Operation with R717 (ammonia) and R290 (propane)

Except of the sight glass battery type SB-5 all ESK sight glasses are approved for R 290, R 600a, R 717, R 723 and R 1270. The allowable working pressure for hazardous refrigerants is similar to the standard synthetic refrigerants.

Sight glass type SSG-22-DN25-T → PSmax: 60 bar

Sight glass with welding connection DN25

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 60 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 45 bar

Sight glass type SSG-22T → PSmax: 60 bar

Sight glass with Swagelok connection

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 60 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 45 bar

Sight glass type SSG-25-16/DN15-T → PSmax: 160 bar

Sight glass with welding connection DN15
Suitable for transcritical CO2 applications

Max. allowable operating pressure (PSmax) according to the temp. range

[1] Allow. operating temperature: 100 … –10 °C PS1 = 160 bar
[2] Allow. operating temperature: –10 … – 40°C PS2 = 120 bar

FL1 – Operation with R717 (ammonia) and R290 (propane)

Except of the sight glass battery type SB-5 all ESK sight glasses are approved for R 290, R 600a, R 717, R 723 and R 1270. The allowable working pressure for hazardous refrigerants is similar to the standard synthetic refrigerants.