78
11 Supplement
VEGAPULS 64 • 4 … 20 mA/HART - two-wire
51141-EN-160815
Reflux valve - (optional, is absolutely necessary for Ex applications)
Ʋ Material
316Ti
Ʋ Thread
G⅛
Ʋ Seal
FKM (SHS FPM 70C3 GLT), EPDM (COG AP310)
Ʋ For connection
G⅛
Ʋ Opening pressure
0.5 bar (7.25 psig)
Ʋ Nominal pressure stage
PN 250
Electromechanical data - version IP 66/IP 67 and IP 66/IP 68; 0.2 bar
Options of the cable entry
Ʋ Cable entry
M20 x 1.5, ½ NPT
Ʋ Cable gland
M20 x 1,5; ½ NPT (cable ø see below table)
Ʋ Blind plug
M20 x 1.5; ½ NPT
Ʋ Closing cap
½ NPT
Material ca-
ble gland
Material seal
insert
Cable diameter
4.5 … 8.5 mm
5 … 9 mm
6 … 12 mm
7 … 12 mm
10 … 14 mm
PA
NBR
–
●
●
–
●
Brass, nickel-
plated
NBR
●
●
●
–
–
Stainless
steel
NBR
–
●
●
–
●
Wire cross-section (spring-loaded terminals)
Ʋ Massive wire, stranded wire
0.2 … 2.5 mm² (AWG 24 … 14)
Ʋ Stranded wire with end sleeve
0.2 … 1.5 mm² (AWG 24 … 16)
Electromechanical data - version IP 66/IP 68 (1 bar)
Options of the cable entry
Ʋ Cable gland with integrated connec-
tion cable
M20 x 1.5 (cable: ø 5 … 9 mm)
Ʋ Cable entry
½ NPT
Ʋ Blind plug
M20 x 1.5; ½ NPT
Connection cable
Ʋ Wire cross-section
0.5 mm² (AWG 20)
Ʋ Wire resistance
< 0.036 Ω/m
Ʋ Tensile strength
< 1200 N (270 lbf)
Ʋ Standard length
5 m (16.4 ft)
Ʋ Max. length
180 m (590.6 ft)
Ʋ Min. bending radius
25 mm (0.984 in) with 25 °C (77 °F)
Ʋ Diameter approx.
8 mm (0.315 in)
Ʋ Colour - Non-Ex version
Black
Ʋ Colour - Ex-version
Blue
