Di Nicola design and manufactures radial gates with electric drive , hydraulic and gravity in construction steel EN S275J0 , stainless steel AISI 304 , AISI 316 , aluminum and steels Duplex and Super Duplex high in nickel , ranging in size from 1000 and 30,000 mm and hydraulic loads from 6 meters to 30 meters . The gates Di Nicola are tested in accordance with Standard AWWA C561-04 and DIN 19569-04 Class 5 . The company Di Nicola produces non-standard at the request of customers . Di Nicola gates are equipments designed for simple installation and practice that can be easily installed independently by the customer while ensuring Di Nicola supervision installation and commissioning .
The automatic radial gates tor downstream level control "RELIVA" are ot two type because they can equip plants with différent features. They are distinguished with the letters P and C:"RELIVA-P" and "RELIVA-C".
1 - "RELIVA-P"
It is used to control the level of the distribution tank located in the downstream side of the guard gâte.
Radial gâte "RELIVA-P" is feeded with an intake under-load. The gâte Controls the intake orifice and it is provided of tour side seals.
The gates "RELIVA-P",light type are always detined with two numbers expressed in cm. symbolizing the width and the heig|ht of the intake orificerfollowed by L. Example: "RELIVA-P" 36x24 L.
In the standard type there is not the L.
1.2 COMPOSITION AND DESCRIPTION OF THE
PLANT. (See Table N.1).
1.2.1 On-otf gâte. (Guard gâte).
Plane sliding gâte watertight tour sides sealing.
Control made by gear box réduction and threaded stem,grease lubricated.
According to the needs, the control can be made as follows: