CASTEL 3840/M18 is a liquid sight glass from the POLYHEDRA range designed for refrigeration systems. It allows visual inspection of the liquid refrigerant in the piping and is equipped with 18 mm ODS copper solder connections.
The sight glass has a maximum working pressure PS of 50 bar and an operating temperature range from -40 to +120 °C. It is suitable for refrigerants in safety classes A1, A2L and A3 according to ASHRAE 34:2019, including selected HFC, HFO, HFO/HFC blends and hydrocarbon refrigerants.
Main advantages:
• Visual inspection of liquid refrigerant in the refrigeration circuit
• 18 mm ODS solder connection
• Maximum working pressure PS 50 bar
• Operating temperature range from -40 to +120 °C
• Suitable for A1, A2L and A3 refrigerants according to ASHRAE 34:2019
• Suitable also for selected hydrocarbon refrigerants R290, R600, R600A and R1270
Technical parameters:
Manufacturer: CASTEL
Model / product code: 3840/M18
Type: liquid sight glass
Product range: POLYHEDRA
Connection: ODS solder
Connection size: 18 mm
PS: 50 bar
MWP according to UL: 500 psi
Operating temperature range: -40 to +120 °C
Weight: 0.22 kg
Refrigerant classification: A1, A2L, A3 according to ASHRAE 34:2019
HFC: R134A, R32, R404A, R407C, R410A, R507
HFO: R1234YF, R1234ZE
HFO + HFC: R448A, R449A, R450A, R452A, R452B, R454A, R454B, R454C, R455A, R513A, R515A, R515B
HC: R290, R600, R600A, R1270