How to install a gate valve [Hawle E3]
In this video, we explain how to install a flanged gate valve on a water pipeline using the Hawle E3 gate valve. Follow these instructions:
0:00 Intro
0:08 Remove protective caps
0:35 Attach screws and do not forget to use a flat gasket for flange sealing. When using galvanized steel screws St 4.8 (not lubricated) the following bolting torques must be
observed:
M 12 - 35
M 16 - 90
M 20 - 140
M 24 - 200
M 27 - 250
M 30 - 300
For all other screw materials, use the moments of torque in line with the best-accepted engineering
standards.
1:04 Ensure an even pressure in between the flange seals, by crosswise tightening of the connecting
screws.
1:14 The valve may only be operated using extension spindles or handwheels from Hawle product range. The operating and closure torques are in compliance with the Standard EN 1074-2 section 5.2.3b.
Hawle E3 gate valve: https://www.hawle.com/en/products/val...