ESEP User Manual Flow Control Type SWDS
Contents
1. FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions Float operated valve TYPE SWDS Assembly and Operating Instructions for all models ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 1 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions Table of Contents 1 General 3 2 Equipment View 3 3 Assembly Instructions for the SWDS 4 4 Dismantling Assembly of Components 5 4 1 Setting 5 5 Weights and dimensions 7 6 Minimum manhole dimensions and installed dimensions 8 7 Discharge opening Wall opening Outgoing pipes 9 8 Operating Description 9 8 1 Installation 9 8 2 Dry weather flow 9 9 Storm flow 10 10 Various Control Concepts 10 11 Selection 11 12 Various float position 11 ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 2 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 1 General The operating instructions included herein pertain to the Float operated valve Type SWDS applicable to all construction sizes They include references for assembly dismantling maintenance service and rectifying malfunctions Before work especially the assembly on the equipment can begin it is necessary to read the complete operating instructions For inquiries we are available un2. Page 8 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 2 Axis centre spacing Emin as shown in table between SWDS and separate emergency valve SWDS 100 to SWDS 400 in combination with emergency valve DN 200 SWDS 450 to SWDS 550 in combination with emergency valve DN 250 SWDS 600 to SWDS 700 in combination with emergency valve DN 300 SWDS 750 to SWDS 1000 in combination with emergency valve DN 400 3 Installation opening without step iron 4 A cutout n profiled concrete must be provided only if the profile concrete is installed before the mounting of the SWDS 7 0 Discharge opening Wall opening Outgoing pipes The diameter of the discharge opening must be at least equal to the diameter of the SWDS Larger discharge openings are of course possible as the base design of the SWDS can be adapted to larger outgoing pipe diameter specify when ordering necessarily 8 0 Operating Description 8 1 Installation The Float operated valve SWDS is principally installed upstream therefore in the storage area of the regulated medium rain water combined sewage etc The conditions for orderly apparatus function are a perpendicular mounting on the basin wall and or shaft an axial inflow with a well formed dry weather flume and sufficiently large flow incline as well as a good access to the actuation grip for the manual opening of the flow measuring section manual device 8 2 Dry Weather Flow As the following
3. j y AL VY S Sg LLG r UZ a CL TAG pM MPR CLS 4 4 Z THELL HE Z ija 10 0 Various Control Concepts The SWDS can be delivered in two different control concepts a b In its basic version the SWDS Float operated valve is delivered as a so called Flush Thrust Apparatus In this version the specific flow regulation first begins when the stored water stands at 10 cm over the apex of the flow section Up to this point the mixed sewage flows uncontrolled through the SWDS whereby a flush thrust can be produced The flush period is dependent upon the inflowing quantity of mixed water and can last between a few seconds and several minutes The advantages with the flush thrust is that flushed solids can flow with the mixed sewage through the full SWDS opening minimizing danger of blockage Apparatus construction with flush thrust Apparatus construction without flush thrust diaphragm The disadvantages of the flush thrust lie in the fact that canal systems and respectively equipment sturdiness can be overloaded hydraulically by SWDS as is the case during real flow regulation Should these areas not be able to handle the hydraulic overload a so called diaphragm must be placed onto the SWDS The flow opening is reduced by the diaphragm If there i
4. 00 40 650 103011670800 253013170 50 _ e50 1180 2000 40 700 108011770 850 268013370 50 _ e00 1200 2100 40 730 11301870900 2810 3550 50 _ 950 1250 2200 40 770 11801970950 295013740 50 _ 1000 1800 2300 40 800 1230 2070 1000 3080 3920 50 _ A H D E ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 7 of 12 2 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 6 0 Minimum manhole dimensions and installed dimensions Bmin 7 T 7 7 77 7 y 7 i ZIHI hie 7 oo tf 7 ee LFF ie CLL 7 z 7 7 g f 7 Z Z Z LC Z z LEP 7 2 VA Z i 7 p PAG RA VY Ay P 7 7 tLe Z PA Z Y V A eg 4 7 7 B min E min oO min min Structure Axis Installation Installation Opening centre opening width spacing 3 925 2900 975 1630 1000 1 If possible for devices from DN 500 a mounting hole above the device should be provided L min Opening T min Opening depth below pip invert ESEP Subject to change without notice Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 October 2013
5. der the following call numbers in The Netherlands ry 31 495 543 430 Fax 31 495 532 321 The operating instructions include references to hazardous areas when the Float operated valve is in operation These area are marked in the margin with the following symbol 2 Equipment View St ft Illustration No 1 Float operated valve Type SWDS ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 3 of 12 ESEP FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 3 Assembly Instructions for the SWDS 3 1 Construction personnel must wear a protective helmet and safety shoes during A assembly ae as N 3 2 Proper lighting and ventilation must be secured for the shaft 3 3 In sewage disposal systems the maximum concentration of related digester gas in the A workplace must not be exceeded utilize gas warning apparatus o 3 4 Check if the mounting opening for the SWDS is large enough If not this can be helped in many cases by dismantling the main float during construction so that the full diameter of the shaft opening is available Another 3 5 The mounting area for the outlet pipe must be even vertical and clean Should the mounting area not be even the surface must be re worked 3 6 The SWDS will be fastened to the transport rings fixing hole with an adequate rope on 4 a hoist and lowered into the basin or
6. e valve plate can be removed 4 Dismantling Assembly of Components 4 1 Main Float dismantling The main float can be removed by loosening of the fixing _ screws Install transport safeguards to eliminate unnecessary mechanical movement 1 which can lead to injury 4 2 Apparatus dismantling When dismantling the apparatus please take caution that when loosening the last fastening screws that the SWDS doesn t tip away from the wall With the help of transport rings fixing hole and an adequately large hoist the SWDS can be lifted from the shaft Otherwise the same instructions apply for dismantling as for assembly 4 3 Assembly Tools The following tools are necessary for assembly of the Float operated valve SWDS Hammer Drill Masonary Drill Bit 10 12 mm Spirit Level Wrenches SW 8 SW 10 SW13 SW 17 Wrenches for Socket Head Cap Screws 6 8 10 12 4 1 Setting Loose the fittings of the float arms on the axle 1 Fix the valve plate in the lower position 2 Position the float arms with float in the 135 position to the SWDS 3 Tighten the bolts on the axle 1 and unlock the fixation of the valve plate 2 The float or the float arm 4 can be made adjusted in length as needed after loosening the mounting screws on the float arms The longer the float arms are set the greater the force positioning force whereby the device reacts accordingly slower If the float is not moving downward in water pressu
7. illustration of a SWDS shows by dry weather flow the valve plates are in their normal position therefore leaving the round flow measurement section mostly free Likewise the float is found in its normal position 7 CY S X 7 7 2 q EES 7 7 7 oy Os pap ZT ty tia OLS tp pie j PRADAS RAIA A os EMF IDERI 4 7 LGA dS FS IL Af FIG Pp ft E a Z LLL f z EA LAD z 7 j fd illustration No 2 ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 9 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 9 0 Storm flow As a result of storm activity and a quantity of combined sewage storm water flowing into the system which exceeds the hydraulic capacity of the SWDS transmission profile there will be an avoidable back up in the SWDS chamber If the storage water level reaches the float regulation begins As the float rises the valve plate sinks so that the flow rate is reduced Transfer of the float movement to the valve plate results with the aid of internally designed mechanics Thereby the upwards directed float movement converts to a downwards directed valve plate movement Zr cj 7 LLL SH z 7 AS P ZPF 7 VL ALL 7 4 7 FI Vee by 7
8. oat to the right of the control body With this options of installation it has a wide range of flexibility due to different building dimensions ESEP Milieutechniek BV Celsiusstraat 20 Postbus 10069 6000 GB Weert NEDERLAND Tel 31 495 543430 Fax 31 495 532135 E mail info esep nl Internet www esep nl ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 12 of 12
9. re of the valve plate and the sinking water level the float must be filled with water or antifreeze 5 Note In no case shall the float upright upwards From this position the float due to the weight ratios cannot go back ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 5 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 6 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 5 0 Weights and dimensions Se A B C H N win nerne min max min max 200 350 600 30 220 300 480 200 770 950 50 134 250 200 700 30 250 360 80 250 800 1130 50 142 350 550 900 30 310 450 780 350 1160 1490 50 173 00 600 1000 30 340 510 880 400 13001670 50 186 550 850 1400 40 450 780 1170 50 1830 2220 50 _ e00 800 1500 40 490 830 1270 600 19701240 50 _ e50 980 1600 40 530 880 11870650 211012000 50 _ 700 1000 1700 40 580 980 1470 700 2260 2800 50 _ e00 1100 19
10. s now rain activity the resulting flow quantity of back water will be greatly reduced leading to low level rated values and the described flush thrust can be avoided Nevertheless The diaphragm has a disadvantage of being sensitive to blockage during dry weather flow or at the start of rainy weather because of a smaller flow diameter ESEP Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 October 2013 Page 10 of 12 Subject to change without notice 2 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 11 0 Selection The dimension of the valve depends on the outlet flow If your desired flow rate can be handled by more than one unit select the smaller model When selecting a model it is important to consider the potential for blockages therefore the larger the gap between the gate plate and the base of the outlet the lower the risk of blockage Max water level Contents up to 600 som 370 680 is rain waste water 900 som 1020 1880s rainwaste water ESEP Subject to change without notice October 2013 Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 11 of 12 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions 12 0 Various Float position The Float operated valve SWDS can be delivered in three different float concepts a Float in front of the control body b Float to the left of the control body c Fl
11. shaft 3 7 The flow limiter will be placed in the shaft perpendicular to the wall in order to mark the drill holes where it will be later installed The base of the SWDS must be aligned carefully with the base of the outlet in the wall 3 8 Until the chrome screws can be tightened be careful that the SWDS stands securely and cannot tip over 3 9 The dowel holes can now be drilled with a 12 mm masonry drill After cleaning the mounting surface on the wall and controller the supplied sealing material can be applied to the ground ESEP Subject to change without notice October AS Float operated valve Type SWDS Assembly and Operating Instructions Rev 0 Page 4 2 FLOAT OPERATED VALVE Type SWDS Assembly and Operating Instructions plate After this the SWDS can be fixed to the wall with the supplied dowels and chrome screws wrench width 17 mm 3 10 The easy motion of the float is checked by hand movement 3 13 Once installed the concrete base can be laid using the welded half pipe on the base of the SWDS as a guide for the half pipe and the concrete base When pouring the concrete care must be taken to avoid contact with the gate plate apparatuses as obstructing its smooth operation will result in unsatisfactory performance Caution In no case the concrete should touch the area of the valve plate guide or the slide surface 3 14 The SWDS is equipped with a transport safeguard After assembly the red marked A screws on th
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