Enactus-HRGS-DD Burgmann HRGS-DD Replacement
FeaturesAPI 682 Category 2 and 3,Website:, Type A, Arrangement 3 seal
Dual seal in face-to-back arrangement
Gas-lubricated
Balanced
Cartridge unit
Independent of direction of rotation
Stationary springs
Contact free operation, no friction AdvantagesUniversally applicable both for retrofits or original equipment
Efficient stock keeping due to standardized components
Extended selection of materials
Metal parts also in special materials available Operating range
Shaft diameter:
d1 = 20 … 110 mm (0.79" … 4.33")*
Pressure: p1 = 42 bar (609 PSI)
Temperature:
t = -20 C … +176 C (-4 F … +350 F)
Sliding velocity:
vg = 4 … 23 m/s (13 ... 76 ft/s)
Axial movement: ±1.0 mmMaterials
Seal ring (product side):
Silicon carbide Q19, SSiC (Q1)
Seal ring (atmospheric side):
Blister resistant carbon,
Silicon carbide SSiC (Q1), Q19
Mating rings:
Silicon carbide SSiC (Q1), RBSiC (Q2)
Secondary seals:
EPDM (E), NBR (P), FKM (V), FFKM (K)
Springs: Hastelloy® C-4 (M)* and C-276 (M5)
Metal parts: CrNiMo steel 316 (G) or equivalent,
optional materials on request.
* EagleBurgmann standard
Recommended applicationsRefining technology
Petrochemical industry
Oil and gas industry
Gases and liquids
Media which require high purity
Environmental harmful media
API 610 / ISO 13709 pumps
Process pumps service
Provide special design
According to the requirements and conditions for the custom processing
Dimensions in mm
d1
d1h
dN
d2
d3
d4
d5
d6
d7
d8
d9
d10
d11 + 0.2 min.
l
l1
l2
l3
l4
l5
l6
l7
l9
k2
t
t1
20
28
36
47.1
65
70
46
56
63
4
40
38
75
75
53
20
19.5
17
10.5
6
9
8
51
4.5
3
25
33
41
52.1
70
75
51
62
70
4
45
43
80
75
53
20
19.5
17
10.5
6
9
9.5
56.5
4.5
3
28
38
46
57.1
75
80
56
67
75
4
50
48
85
75
53
20
19.5
17
10.5
6
9
9.5
61.5
4.5
3
33
43
51
62.1
80
85
61
72
80
4
55
53
90
75
53
20
19.5
17
10.5
6
9
10.5
66.5
4.5
3
38
48
56
67.1
85
90
66
77
85
4
60
58
95
75
53
20
19.5
17
10.5
6
9
10.5
71.5
4.5
3
43
53
61
72.1
90
95
69
81
90
4
65
63
100
75
53
20
19.5
17
10.5
7
9
11
75
4.5
3
48
58
66
77.1
95
100
76
88
97
4
70
68
105
75
53
20
19.5
17
10.5
7
9
11.5
82
4.5
3
53
63
71
82.1
101
105
81
95
105
4
75
73
110
75
53
20
19.5
17
10.5
7
9
11.5
88
4.5
3
55
65
75
87.1
106
110
86
100
110
4
79
78
115
75
53
20
19.5
17
10.5
7
9
11.5
93
4.5
3
60
70
80
92.1
111
115
91
105
115
4
84
83
120
75
53
20
19.5
17
10.5
7
9
13
98
4.5
3
65
75
85
97.1
116
120
96
110
120
4
89
88
125
75
53
20
19.5
17
10.5
7
9
13
103
4.5
3
70
80
90
102.1
121
125
101
115
125
4
94
93
130
75
53
20
19.5
17
10.5
7
9
13
108
4.5
3
75
85
95
107.1
126
130
107
122.2
134.3
5
99
98
135
75
53
20
19.5
17
10.5
10
12
20
114.5
7
3
80
90
100
112.1
131
135
107
122.2
134.3
5
104
103
140
75
53
20
19.5
17
10.5
10
12
20
114.5
7
3
90
100
110
126.1
147
155
117
136.2
148.3
5
116
117
163
98
73
30
22
19
16
10
12
20
126.5
7
4
100
110
120
136.1
157
165
132
146.2
158.3
5
126
127
173
98
73
30
22
19
16
10
12
20
139
7
4
110
120
130
145.1
167
175
142
156.2
168.3
5
136
136
183
98
73
30
22
19
16
10
12
20
149
7
4
120
130
140
154.1
177
185
152
168.2
180.3
5
146
145
193
98
73
30
22
19
16
10
12
22
160
7
4
130
140
150
163.9
188
195
162
178.2
190.3
5
156
155
203
98
73
30
22
19
16
12
12
24
170
7
4
140
150
160
174.9
189
205
172
188.2
200.3
5
166
166
213
98
73
30
22
19
16
12
12
24
180
7
4
160
170
180
193.9
220
230
187
212.5
224.3
5
186
185
238
98
73
30
22
19
16
12
12
28
199.5
7
4
180
190
200
213.9
240
255
–
–
–
206
205
265
98
73
30
22
19
16
–
–
–
–
4
190
200
210
231.9
255
270
–
–
–
218
220
280
115
83
40
28.35
24.7
19
–
–
–
–
5
200
210
220
241.9
265
280
–
–
–
228
230
290
115
83
40
28.35
24.7
19
–
–
–
–
5
210
220
230
251.9
275
290
–
–
–
238
240
300
115
83
40
28.35
24.7
19
–
–
–
–
5
220
230
240
261.9
285
300
–
–
–
248
250
310
115
83
40
28.35
24.7
19
–
–
–
–
5
230
240
250
271.9
295
310
–
–
–
258
260
320
115
83
40
28.35
24.7
19
–
–
–
–
5
250
260
270
291.9
315
330
–
–
–
278
280
340
115
83
40
28.35
24.7
19
–
–
–
–
5
HRZ1 – Dimensions in mm
dN
d1h
d1
d11
d12
d13
d14
l10
l11
l12
l13
l15
l16
35
33
20
56
42
48
3
57.7
49.2
15
42.7
2
5
43
39
27
67
54
61
4
57.7
49.2
15
42.7
2
6
54
50
35
78
65
73
4
59.8
52.1
15.5
44.3
2.5
6
66
60
47
91
77
85
4
66
58
16.5
49.5
2.5
6
77
72
55
103
88
97
4
74.5
66
17.5
57
2.5
7
100
90
70
125
110
120
4
82
73
21
61
3
7
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