BETE Dur O Lok












BETE Dur O Lok
BETE Dur O Lok
Compact Pipe Coupling
  DUR O LOK® Materials
  • Carbon steel
  • Stainless steel - 304, 316, 321 and
  • Other materials available on request.
  • Material traceability available
   DUR O LOK® Quality
  • Designed to ASME Section VIII, ANSI B31.1 and ANSI B31.3
  • BETE Fog Nozzle, Inc., manufacturer of Dur O Lok® is certified to ISO 9001 quality system




Please note that weight and dimensions information is approximate. Please call if you have questions.



DUR O LOK®/Flange - Weight and Dimension Comparison
DUR O LOK® Weld Neck Flanges

 Pipe 
 Size 

 Pipe 
 Schedule 

 Overall 
 Diameter 
 (in.) 

 Overall 
 Length 
 (in.) 

 Approx 
 Weight 
 (lb.) 

 Flange 
 Class 

 Flange 
 OD 
 (in.) 

 Flange 
 Assembly 
 Length 
(in.) 

 Flange 
 Assembly 
 Weight 
(lb.) 
1
1.25
80
80
2.5
2.85
3.50
3.50
1.99
2.61
2500
600
6.25
5.25
7.0
5.2
26.6
13.1
1.5
2
XXS
80
3.13
3.55
4
5
4.82
5.25
2500
2500
8
9.25
8.8
10.0
57.0
83.3
2.5
3
160
80
4.21
4.95
6.00
6.50
9.19
11.20
600
1500
7.5
10.5
6.2
9.2
38.0
102.5
3.5
4
80
160
5.45
5.95
7.00
7.50
13.64
20.54
600
2500
9
14
6.8
15.0
63.2
301.2
6
8
80
80
8.47
10.65
9.5
9.5
41.51
60.84
600
600
14
16.5
9.2
10.5
173.5
259.1

* Per appendix 24 of the 1998 ASME Code, Section VII, Div. I, maximum temperature: 400°F (204°C) with Viton(e) O-ring, 450°F (232°C) with silicone rubber O-ring. Gaskets with higher temperature ratings available.

Dur O Lok® manufactured by BETE Fog Nozzle, Inc.