REGULATION
28Pages

The Regulation Range Controlling water distribution Water distribution in networks is becoming more and more complex, because od urbanisation ; the quality service owed to the customer and the wish to improve efficiency by lowering energy consumption. Socla proposes in the field of regulation a wide range of stabilisers but also different air control devices : • The AUTOMATIC CONTROL VALVES range answers to upstream/downstream/differential pressures, altitude valves, float valves, electrically operated valves, with pilots ; discharge valves ; pump and flow protection valves Pages 2 to 17 •...

Select your specific control system PRESSURE CONTROL C 101 C 101 C C 101 DS C 102 C 104 C 104 C C 108 C 108 C C 301 C 301 C C 301 DS 4 4 4 4 5 5 4 4 5 5 5 Modulating* Downstream reducing and stabilizing Downstream reducing and stabilizing with 2 settings Upstream sustaining Holding a differential pressure Backflow prevention feature Backflow prevention on the discharge circuit Double direction flow if upstream P. < downstream P. Full opening at a preset upstream pressure Pages FLOW AND LEVEL CONTROL PR P C 901 C 901 C C902 C 902 C C 903 C 903 C C 904 C 904 C Modulating* Maintaining a...

Self acting control systems in distribution networks I C 301 Q A C 101 C C 301 C 101 R L C 108 C 401 D C 101 P P C 301 B C 101 11 O C 901 M E K C 301 S F C 301 C 101 G C 301 N J C 201 PP H C 306

MAIN VALVE • Specific hydraulic profile • Range ND 1“1/2 to 300 mm • High pressure cast iron • Tested and preset at assembly Position indicator with purge Brass and stainless steel High pressure valve head Cast iron with epoxy coating Pressure relief holes Membrane EPDM reinforced 2 Reversible seat seal EPDM Replaceable streamlined seat Stainless steel Body drain plug Brass Pressure relief holes High pressure valve housing Cast iron with epoxy coating Nuts and bolts Stainless steel

WORKING PRINCIPLE PRESSURE REDUCING VALVE TYPE C 101 CLOSING G When the downstream pressure raises, the pilot G valve closes. Pressure in the upper chamber raises also and forces the membrane to close the main valve A which reproduces the movement of the pilot. A CLOSING G 3 When the downstream pressure is too low, no pressure is acting on the membrane and the pilot G opens, pressure in the upper chamber is released and the valve A opens reproducing the movement of the pilot. A CONTROLLING G A The pilot G is set at a given downstream pressure to be maintained. If the pressure downstream is...

CONTROLLING DOWNSTREAM PRESSURE C 101 C 101 C C 101 DS C 101 Controls and maintains a constant preset reduced downstream pressure regardless of variations in downstream demand or upstream pressure. This valve reduces : • distribution pressure when the supply comes from a source situated at a relatively high level. • distribution pressure to a working level for a given zone. • the pressure at the discharge side of a pump when it is too high. • pressure in an irrigation system. Equipped with non-return valves (check valves) : • it closes automatically in case of a return of water. (C 101 C) •...

CONTROLLING DOWNSTREAM PRESSURE C 104 C 104 C C 301 C 101 Controls and maintains a constant preset reduced downstream pressure together with a given upstream pressure whatever the variations in downstream demand and upstream pressure. Equipped with non-return valves (check valves) it closes automatically in the event of a return of water. (C 104 C) Setting ranges : Upstream pressure : 0.34 to 4.13 bar 1.72 to 7.57 bar 2.06 to 17.22 bar 13.78 to 27.51 bar Downstream pressure : 0.34 to 5.51 bar 1.72 to 8.5 bar 2.06 to 27.52 bar CONTROLLING UPSTREAM PRESSURE C 301 C 301 C C 301 DS C 301...

DISCHARGE VALVE C 401 C 401 C C 401 Installed on a bypass of the zone to be protected, this valve opens when the preset pressure is reached. It stays open for as long as the overpressure lasts and evacuates the surplus water into a tank, a drain or to a low pressure zone. Equipped with non-return valves (check valves) it closes in the event of a return of water in the discharge network. (C 401 C). Setting ranges : 0.34 to 4.13 bar 1.72 to 7.57 bar 2.06 to 17.22 bar 13.78 to 27.51 bar ANTI-WATER HAMMER VALVE C 108 C 501 Eliminates pressure fluctuations due to start up, shut down or failure...

WATER HAMMER PROTECTION VALVE AB 900 Its role is to protect systems against surges (water hammer), whatever their source, by evacuating the water in excess straightaway. The mechanism consists of a spring which is adjustable to the correct weighting to hold the valve firmly in place against its seat, keeping it watertight. When a pressure wave occurs this causes compression of the spring and the opening of the valve to allow evacuation of the water. It should be noted that the stem (7) is designed to compensate for defect of alignment which could be caused by hydraulic pressure on the valve...

FLOAT VALVES C 701 PROGRESSIVE OPENING AND CLOSURE Prevents overflowing and maintains a constant level in a reservoir by means of a float tap. Opening and closure are very gradual over the few centimeters above and below the required level. This valve should preferably be installed at the foot of a reservoir or the top of a tank. Connecting pipe 10/12 mm from the float tap to the valve not included. (Must be adjusted on measure on site). FLOAT VALVES C301 C 702 Identical to C 701, it guarantees the maintenance of sufficient upstream pressure while allowing the reservoir to be filled when...

FLOAT VALVES C 717 Regulates the volume of water in a reservoir by means of a 2 position mechanical float. It closes at a preset high level and opens at a given low level. Connecting tubes 4/6 mm to the float are not supplied. (Must be adjusted on measure on site). Setting ranges : High and low level : 0 to 3.6 m FLOAT VALVES C 737 C 306 Identical to type C 717, it guarantees the maintenance of sufficient upstream pressure while allowing the reservoir to be filled when the system pressure allows it. Connecting tubes 4/6 mm to the float are not supplied. (Must be adjusted on measure on...