Product Code
3070/44C275
Bursting Disc Safety Device
1/2"x1/2"NPT Pset=27,5bar
PS = 55 bar
Product use
Safety device 3070 is a pressure relief device that cannot be closed again, in which a bursting disc is sensitive to a positive differential pressure between the upstream and downstream sections. It is designed to burst at a specified pressure.
Safety accessories for use with the following ASHRAE 34:2019 refrigerants, Class A1:
HCFC (R22)
HFC (R134a, R404A, R407C, R410A, R507)
HFO (R1234ze)
HFO + HFC (R448A, R449A, R450A, R452A, R513A, R515A, R515B)

Available at various burst pressures from 14 to 52 bar.
Product Details
Connections male IN
1/2" NPT
Connections female OUT
1/2" NPT
service
2 x 1/8" NPT
Orifice section [mm²]
113
Bursting pressure Pb [bar]
27,5
Max operating pressure
75 % Pb
PS[bar]
55
TS[°C] min.
-50
TS[°C] max.
+150
Package pcs
20