Type 212
Introduction
This series of seals is the most widely used mechanical seal in glass-lined reactors, allowing for various material and cross-section combinations to meet the needs of different operating conditions.
Operating Parameters
Structure: Single-end face, small spring, PTFE corrugated tube type
Pressure: ≤0.6MPa
Temperature: -40~150℃
Speed: ≤500 rpm
Shaft Diameter: 30~150mm
Applicable Media: Strong corrosive media such as sulfuric acid, nitric acid, and organic acids (no suspended particles)
Unit: mm
69 Standard Installation Dimensions
|
d
|
D1
|
D2
|
D3
|
n-φ
|
|
42
|
90
|
140
|
170
|
6-φ16
|
|
50
|
100
|
170
|
200
|
8-φ16
|
|
60
|
110
|
190
|
220
|
10-φ16
|
|
70
|
120
|
250
|
280
|
16-φ16
|
|
76
|
130
|
250
|
280
|
16-φ16
|
|
80
|
130
|
250
|
280
|
16-φ16
|
|
89
|
140
|
250
|
280
|
16-φ16
|
|
95
|
150
|
300
|
330
|
20-φ16
|
79标安装尺寸
|
d
|
D1
|
D2
|
D3
|
n-φ
|
|
40
|
90
|
130
|
160
|
4-φ18
|
|
50
|
100
|
150
|
185
|
4-φ18
|
|
65
|
115
|
170
|
205
|
4-φ18
|
|
80
|
130
|
200
|
235
|
8-φ18
|
|
95
|
150
|
200
|
235
|
8-φ18
|
|
102
|
150
|
255
|
290
|
8-φ18
|
91标安装尺寸
|
d
|
D1
|
D2
|
D3
|
n-φ
|
|
40
|
90
|
130
|
160
|
4-φ18
|
|
50
|
100
|
150
|
190
|
4-φ18
|
|
65
|
115
|
170
|
210
|
4-φ18
|
|
80
|
130
|
200
|
240
|
8-φ18
|
|
95
|
150
|
225
|
265
|
8-φ18
|
|
110
|
165
|
280
|
320
|
8-φ18
|
|
125
|
180
|
280
|
320
|
8-φ18
|
|
140
|
195
|
335
|
375
|
12-φ18
|
