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SS9901-SP050119 oNicip4e. ALVE & 4100 Spring Valley Road • Suite 209 *Dallas, TX. 75244 EQUIPMENT CO. (972)934-1261 • Fax(972)934-1264 SUBMITTAL DATA Project Name: Deforest& Sandy Lake Wastewater Lift Station Improvements Location: Coppell, Texas Contractor: CAN-FER Construction Engineer: Turner Collie&Braden Inc. Date: January 5, 2005 Product Type: Air Valves Specification Section: 15100-Not Included Qty Size Description kfr tAt. fik) 73j L 4145ti 3 2" Manufacturer: A.R.I. Model: D025 Class: 3-150 psi °7 Connection: Flanged ✓ Eripn'_r,r .. _ .. .. a ... A.Approved as noted for Architectural Review B. Revise&Resubmit 0 C. Rejected Cr ;, This review is for general conformance with Plans and Specifications only. Any deviations from same not clearly noted by the Preparer have not been reviewed. Review shall �, not constitute a complete check or detailed dfnehlsian9 or :. count or sense to relieve the Preparer of contracttj�ti respons ilittr for any error ar deviation from cantract tta,.co and requirerrlents, the OP,;,; f 14� CAN-F CONSTRi1CTtedt • Date 1—.13-4,s- Local Representative for Service: Municipal Valve qui ment Co. _4,04rt.)RAW1NG REFERENCE NO.o y-vq•63 4 Upon receipt of contractor's signed approval of this submittal,''MS' , : of. „' ', • in this submittal as approved by the contractor. Contractor is responsible for any costs associated with any c angein e • '• ` • tractor after the equipment has been ordered by MVE,and or its affiliates. Contractor is hereby made aware that any delay in approving this submittal will delay the ordering of this equipment by MVE,and or its affiliates,and could cause delivery delays beyond the original estimated delivery dates. Any costs associated with contractor's delay in approving this submittal will not be born by MVE,and or its affiliates,in whole or in part. D-025 COMBINATION AIR VALVE FOR SEWAGE "SAAR" and the scaling mechanism.The air pressure is the system pressure. Description 4. Increases in system pressure compress the trapped air in the The Combination Air Valve combines an Air&vacuum large orifice upper section of the cone shaped chamber. The conical shape and an Automatic small orifice in a single body. guarantees the height of the air s{a.p. This assures complete The valve is specially designed to operate with liquids carrying separation of the liquid from the sealing mechanism. solid.panicles such as sewage and effluent. 5. Entrapped air(gas)accumulating at peaks(where air valves The combination air valve discharges air(gases)during the filling should be installed)along the system rises to the top of the valve, or charging of the system.admits air to the system while it is being which in turn displaces the liquid in the valve's body, emptied of liquid and discharges accumulated air(gases)from the 6.When the liquid level is lowered to a.point where the float is system while it is under pressure and operating. no longer buoyant,the float will descend,peeling the rolling seal. The valve's unique design guarantees complete separation of the This action opens the valve's orifice and allows part of the air that liquid from the sealing mechanism and provides optimum work accumulated in the upper portion of the valve to be released to conditions, the atmosphere. Operation 7.Liquid enters the valve.The float rises, unrolling the rubber- The air&vacuum component,discharges air at high flow rates sealing hand to its sealing position.The remaining air gap prevents during the filling of the system and admits air into the system at the sewage from fouling the mechanism. high flow rates during its drainage. When internal pressure falls below atmospheric pressure High velocity air cannot blow the float shut. Water entry to the (negative pressure): lower portion of the valve will cause the sealing of the valve. 1.Both orifices will be immediately unplugged as the floats drop At any time during system operation,should internal pressure of away. the system fall below atmospheric pressure,air will re-enter the 2.Air is admitted to the system. system. Main Features The smooth release of air prevents pressure surges and other •Working pressure range:3-150 psi. destructive phenomena. •The valve's unique design prevents any contact between sewage Admitting air in response to negative pressure protects the system and the sealing mechanism by creating an air gap at.the top of the from destructive vacuum conditions and prevents damage caused valve,This air gap is guaranteed even under extreme conditions. by water column separation. Air re-entry is essential to efficiently Those features are achieved by: drain the system. •The conical body shape designed to: maintain the maximum The automatic component,releases entrapped air from peaks of distance between the liquid and the Sealing Mechanism;so as to pressurized systems where the valve should he installed. obtain minimum body length. Pockets of accumulated air may cause the following destructive • Spring loaded joint between the stem and the upper float, phenomena: Vibrations of the lower float will not unseal the automatic valve. •Impediment of effective flow and hydraulic conductivity of the Release of air will occur only after enough air accumulates. system along with a throttling effect as would a partially closed •The valve design,Rolling Seal Mechanism: is less sensitive to valve, pressure differentials than a direct float seal. It accomplishes this in extreme cases this will cause complete flow stoppage. by having a comparably large orifice for a wide pressure.range •Accelerate cavitation damages. (up to 150 psi). •High-pressure surges. •Funnel-shaped lower body is designed to ensure that residue •Accelerate corrosion of metal parts. sewage matter will sink to the system and he carried away and •Danger of a high-energy burst of compressed air. will not.remain in the valve. As the system starts to fill,the valve functions according to •Al inner metal parts made of stainless steel.Float made of plastic the following stages: materials. 1.Entrapped air is released by the valve •1 1/2"threaded drainage outlet enables removal of excess fluids. 2.When the sewage level reaches the valve's lower portion, the • Preventing premature closing the valve discharges air at high lower float rises,and draws the"seal plug"to its sealing position. velocity. 3.The entrapped air is confined in a pocket between the sewage •Maximum working temperature 203'1. A.R.I.USA,Inc. A.A,l Flow Control Acce eoric- hitp7/www.9rivalvee.com e.r iP ioeIWiw:.co.il Teletex:(559)289-9853 J�� J �� uscona5-200a Valve Selection AIR&VACUUM AIR FLOWRATE GRAPHS •These valves are available with 2",3"male NPT connections,or Discharge flanged,ANSI standard, •These valves are available with body made of reinforced nylon or stainless steel SAE 316 � ' • With a Vacuum Guarding, Out-only attachment, which only e 1111/11111111 ■ • / allows air discharge,not allowing air intake. 2 4_ ■ rmiu •With a Vacuum Breaking,In-only attachment,which only allows '• ��� air intake,not allowing air discharge. ° i.aiIa��������® •With a Non-Slam,discharge-throttling attachment,which allows L zoo Discharge CFM lice air intake,but throttles air discharge Intake Inlak.CFM --, 120 50 w 0 b DIMENSIONS AND WEIGHTS e R Nominal ----Dimensions Weight Lbs.— �– — E Size A B Nylon St.St. 2"Threaded 9 15/32 18 7/61 8.37 30-86 2"Flanged 9 15/32 18 7/64 9.25 35.71 3"Threaded 9 t5/3z 18 7/64 8.37 33.06 AUTOMATIC AIR RELEASE FLOWRATE GRAP 3"Flanged 9 15/32 113 7/6,1 11.9 36.37 Orifice Area Sq.ln a 200 - Automatic Orifict: 0.018 loo ■■■■ -- Air&vacuum Orifice 1-246 i till= L' se Air/818966 CFM PARTS LIST AND SPECIFICATION A No. Part Material '� 2 1. Flushing connection Polypropylene 'j/ 3 2. Seal Plug Assembly Reinforced Nylon+E.P.1J-M+St-St. ;.:,h la` (� 4 ., 3. Float Foamed polypropylene 4. Clamping Stem Reinforced Nylon r ` 5. hotly Reinlorced Nylon .. f B 7 6, Crown Nut Stainless Steel SAL 316 �(��:;1% , ,.. a 7. 0-Ring 13UNA-N r °�G > 8. Stopper Polypropylene /./ u �`' 9 9. Spring Stainless Steel SAE 316 \`a 10 10. Washer Stainless Steel SAE 316 :1 11. Stem Stainless Steel SAE 316 /f. • \1:?, 12. Body Reinforced Nylon/Stainless Steel SAE 316 f I 't.�, 13 13. Float Foamed Polypropylene fI 14. 0-Ring 13UNA-N 't`� 14j 15. Clamp Stainless Steel SAE.316 i_ Seal fiber �a i 17. Tap brass ,.� t.. _! - e _ 18. Washer Stainless Steel SAE 316 I 18 19. Base Reinforced Nylon/Stainless Steel SAE 316 'l fr-----------1)