NORMACONNECT® V
These clamps are manufactured to order and are available with a variety of profilecross-sections, coverband and closure alternatives.
Product advantages
All NORMACONNECT ® V profile clamps offer a variety of benefits such as:
Easy handling
Profile clamps are easy to handle and can be assembled with conventional tooling.
Quick assembly
Profile clamps are quick to assemblesaving time and money. With a single closure design, only onebolt has to be tightened to produce asecure joint.
Compact design
In contrast to conventional flanges profileclamps require only minimal space andcan therefore be used in critical fittingsituations.
Light weight
Compared to flanges, profile clampsare extremely lightweight. This helps toreduce the total weight of the system.
Technical guide
- Determine the operating or test pressure for your application.
- Determine max. operating temperature, the profile clamp has to withstand.
(Please note that the profile clamps in this brochure are designed for a maximum operating temperature of 400 °C.) - Calculate the required inside diameter of the profile using the formula:
outer flange diameter + 3 mm - Use the diagrams on the left side to check whether the thickness of profile you have chosen is sufficient:
(Please note that the result only gives a first approximated value for static pressure in ideal operating conditions.)
It can be influenced by further factors, such as
- seal shape and material
- roughness of the flange surface
- operating temperatures
- bending loads
- pressure peaks / vibration
- required operating safety factors
It may be necessary to increase the thickness of the profile. The SVS closure is recommended for low-pressure (e. g. vacuum ) applications only.
5. For screw tightening torque for the different closure types as well as screw sizes, please see tables below.
5.1. Recommended tightening torque STC & QRC closures
| Band width | screw size | tightening torque |
| 20 mm | M 6 | 6 Nm |
| 25 mm | M8 | 12 Nm |
5.2 Closure force SVS
| screw size | closure force |
| M 6 | 6 Nm |
| How to use the diagrams : |
Max. allowable pressure at 20°C:
|