Flowserve NRGT26-1 - Manual (Page 12)

2
A
Thermal insulation provided on site, d = 20 mm (without thermal insulation of steam boiler)
B
Seating surface
C
Joint ring (of stainless steel .430) D 27 x 32 to DIN 7603
D
Electrode thread ¾" BSP, DIN ISO 228-
E
Flange DN 50 (2"), PN 40 to DIN 2635
F
Protection tube
G
Spacer disc
H
Housing screws M4
I
Cable entry M20 x .5
J
Housing cover
K
Measuring range switch
L
Potentiometer for lower measuring point (4 mA)
M
LED “Level 0 %”
N
LED “Level > 0 %, <00 %”
O
LED “Level 00 %”
P
Potentiometer for upper measuring point (20 mA)
Q
Terminal lugs for voltage measurement (between 0-7 V DC, level proportional)
R
Thermal fuse T
max
02 °C
S
Terminal strip
T
PE connection
U
Plug
Key
1
NRGT 26-: Max. length of installation at 238 °C
2
NRGT 26-: Measuring range
3
NRGT 26-S: Max. length of installation at 238 °C
4
NRGT 26-S: Measuring range
Design / Functional Elements