Groth 7618 User Manual
Page 7
Page 7 of 16
3. Loosen the housing nuts and remove only those studs necessary to withdraw the housing. Do not
remove studs with spreader nuts.
WARNING: The handles on the arrester housing are to be used for
handling the element only during inspection and maintenance. DO NOT
use the handles to lift the entire flame arrester assembly.
4. If the flame arrester is in a horizontal line, attach whatever lifting equipment is required to remove the
element [see weight table 3].
TABLE 3 - ELEMENT HOUSING WEIGHT [Lb. (kg)]
Models 7618 / 7628
Size
Aluminum Alum/SS
Steel
2"
5 (2)
10 (5)
15 (7)
3"
10 (5)
10 (5)
20 (9)
4"
15 (7)
20 (9)
35 (16)
6"
30 (14)
45 (20)
75 (34)
8"
45 (20)
70 (32)
115 (52)
10"
70 (32)
110 (50)
175 (80)
12"
95 (43)
160 (73)
250 (114)
TABLE 4 - FLAME ARRESTER ASSEMBLY WEIGHT [Lb. (kg)]
WARNING: If not supported, the element housing will drop onto the
remaining studs when the bases are separated. Be careful to avoid contact
with the housing while separating the bases.
Models 7618
Models 7628
Size Aluminum
Alum/SS
Steel
Size Aluminum
Alum/SS
Steel
2"
15 (7)
20 (9)
45 (70)
2"
25 (11)
30 (14)
70 (32)
3"
25 (11)
30 (14)
75 (34)
3"
35 (16)
40 (18)
95 (43)
4"
40 (18)
45 (20)
105 (48)
4"
50 (23)
60 (27)
105 (48)
6"
80 (36)
100 (45)
225 (102)
6"
85 (39)
100 (45)
225 (102)
8"
130 (59)
155 (70)
360 (164)
8"
150 (68)
175 (80)
360 (164)
10"
200 (91)
245 (111)
555 (252)
10"
235 (107)
280 (127)
555 (252)
12"
285 (130)
345 (157)
795 (361)
12"
320 (125)
385 (175)
795 (361)