Air Control Products

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1 Air Control Products

2 Tanks for Hydronic Systems Bladder Tanks American Wheatley offers a large range and several styles of bladder type expansion tanks. The Wheatley WFA Series, ASME, full acceptance, top entry bladder tanks are offered in sizes from 36 gallon through 10,000 gallon. The WFA is ASME rated 150 psi through 220 gallon, and is ASME rated for 125 psi through 10,000 gallon The WFA is standard with a heavy duty replacement butyl rubber bladder. The Wheatley BDT Series, ASME, bottom entry, full acceptance bladder tanks are offered in sizes 13 gallon through 211 gallon. The BDT series is ASME rated for 150 psi, and is standard with a replaceable EPDM bladder. Tank is suitable for potable water. WFA Series The Wheatley WBF Series, ASME, bottom entry full acceptance bladder tanks are offered in sizes 220 gallon through 10,000 gallon. The WBF series is ASME rated for 125 psi, and is standard with a replaceable heavy duty butyl bladder. All American Wheatley BDT, WFA, and WBF ASME tanks are standard with a replaceable bladder that is suitable for hydronic and domestic water services. All American Wheatley ASME bladder tanks are PROUDLY MADE IN THE USA. What is the function of the Tank in a Hydronic System? The tank could arguably be considered the most important component part to the BDT Series hydronic system. The tank allows for thermal expansion within the hydronic heating or cooling system. The tank absorbs the expansion and contraction of system fluid due to changes in system temperature. Whether the tank is a bladder type, which contains the system fluid inside the bladder, isolating it completely from the air and prevents waterlogged tanks, or the plain steel type which absorbs the expansion while mixing the air and water, American Wheatley has the correct tank for your application. BDT Series Available in sizes gallon Full acceptance removable and replaceable heavy duty butyl rubber bladder Suitable for potable water 150 PSI ASME Constructed and stamped WBF Series Available in sizes 36-10,000 gallon Full acceptance removable and replaceable heavy duty butyl rubber bladder NSF approved bladder 125 PSI ASME Constructed and stamped WFA Series Available in sizes 36-10,000 gallon Full acceptance removable and replaceable heavy duty butyl rubber bladder NSF approved bladder 150 PSI through 220 gallon, larger sizes 125 PSI ASME Constructed and stamped Options Available 175, 200, 250, 300 higher working pressures Epoxy coated or S.S. covers for potable water Bulls eye sight glass Seismic clips Mounted on legs Horizontal mounted 2

3 Air Elimination Method The first method is typically known as the air elimination method. In this case the air and water are physically separated by a flexible membrane, know as diaphragm or bladder. The hydronic system should be completely vented of all air during the initial system fill, any added or entrained air must later be removed and vented to atmosphere by use of an Air Separator. American Wheatley offers a large range and many types of bladder tanks. The Wheatley WFA Series, ASME rated, top entry bladder tank is offered is sizes from 36 gallon through 10,000 gallon. The Wheatley BDT Series, ASME, bottom entry tank is offered in sizes 13 gallon through 211 gallon. American Wheatley also offers our TAS and TASS Series of tangential air separators in sizes 2 through 30, with many construction material options available. ASME Bladder Type Expansion Tanks Standard Features: Removable and replaceable heavy-duty butyl rubber bladder Full Acceptance Series for large expanded fluid volumes ASME constructed and stamped. National Board registered Standard design pressure 125 PSI Optional Features: Higher working pressures available Epoxy-coated covers for potable water California sight glass Seismic mounting ASME Tangential Air Separators Standard Features: ASME constructed and stamped. National Board registered Tangential design results in smaller unit Provides air-free fluid flow which protects against damage and system noise Helps prevent waterlogged compression tanks Optional Features: Grooved inlet and outlet connections Higher working pressures available Stainless steel and other alloy construction MODEL GALLON SIZE-INCH MODEL GALLON SIZE-INCH MODEL GALLON SIZE-INCH WFA x40 BDT X38 WBF X4 WFA x54 BDT X42 WBF X58 WFA x57 BDT X40 WBF X61 WFA x78 BDT X45 WBF X81 WFA x70 BDT X47 WBF X73 WFA x88 BDT X56 WBF X91 WFA x80 BDT X52 WBF X82 WFA x92 BDT X58 WBF X82 WFA x104 BDT X66 WBF X106 WFA x79 BDT X72 WBF X80 WFA x90 BDT X76 WBF X94 WFA x102 WBF X110 WFA-3000L x122 WBF X104 WFA x80 WBF X150 WFA x125 WBF X128 WFA x127 WBF X158 WFA x159 WBF X192 WFA x233 WBF X158 WFA x240 WBF X189 3

4 Air Control Method In the second, typically called the air control method, the system water and air touch one another. During the initial system fill and pressurization, all excess air is vented to atmosphere, leaving behind only the necessary amount of air in the compression tank. Due to the change in water/air solubility as temperature and pressure increases, air and water pass each other in and out of the compression tank. For this type of system Wheatley offers the WPS series of ASME steel compression tanks, along with tank drain and fill valves, liquid level sight glass assemblies, as well as tank saddles. The WPS Series tank is offered in sizes 15 gallon through 400 gallon. WPS Series Plain Steel Expansion Tanks Standard Features: ASME constructed and stamped National Board registered Design pressures diameter: 150 psi, 225 psi test diameter: 125 psi, 188 psi test Accurately-positioned opening Manufacturer s data report for pressure vessels, Form U-1 available WPS Series Optional Benefits: Complete accessory package -- liquid level sight glass, tank fittings, drain Hot dipped galvanized Saddles for horizontal installation Customized sizes, pressures and materials Description Dimensions Openings Shipping Weights (lbs.) Gallons Model# Diam. (A) Length (B) C D E F Painted Galvanized 15 WPS / WPS / WPS / WPS / WPS / WPS / WPS WPS / WPS / WPS /2 1 1/ WPS /2 1 1/ WPS /2 1 1/ WPS / /2 1 1/ WPS / /4 1 1/

5 Chilled Water Buffer Tanks American Wheatley offers a complete line of chilled water buffer tanks in standard sizes from 120 gallon to 1040 gallon, however we can fabricate any size to your specification. Options available: Custom size tanks Higher working pressure Available as hot water buffer tanks / hydraulic buffer tanks Stainless steel and other alloys Top mounted inlet and outlet / baffle Grooved and other end connections Internal and external epoxy coatings Materials of Construction Construction Carbon Steel Primed Exterior Description: Performance Limitations Max Design Temp 450 F Std Design Press 125 PSI Center-line Height (A in inches) for various Connection Model GAL (IN.) (IN.) 2 NPT 2 1/2 3 FLG 4 FLG 6 FLG 8 FLG 10 FLG 12 FLG AWCBT AWCBT AWCBT AWCBT AWCBT AWCBT AWCBT American Wheatley ASME Chilled Water Buffer Tanks are designed for chilled water systems with insufficient water volume capacity. In relation to the chiller capacity, relatively low water volume systems require additional buffer capacity for the system to eliminate problems such as excessive chiller cycling, poor temperature control, and erratic system operation. The properly sized American Wheatley CBT tank adds the necessary volume to buffer the system. 5

6 Air Separation Air is the single worst enemy to any hydronic heating system. Entrained air being present in any hydronic system can cause a myriad of problems, from cold areas due to the system being air bound, to premature equipment failures due to rust, scale, and corrosion. There are two ways to remove air from the system, by the use of an air scoop and by use of a centrifugal type separator. Centrifugal Type The other most common type of air separator is also relatively simple in design and is commonly known as a centrifugal force type. This type of air separator utilizes tangential openings to create a centrifugal action, required to create a vortex at the center of the vessel. The air, being lighter than water, is forced to the center of the vortex and rises to the top opening in the air separator where it is vented to atmosphere or directed to the expansion tank. This type of air separator also allows for a smaller vessel to be utilized than is required for a low velocity type. American Wheatley offers our TAS Series less strainer and our TASS Series with removable stainless steel strainer. The TAS and TASS are available in sizes 2 through 30. As centrifugal force spins the air entrained water around the outside of the vessel, the air molecules are forced to the center of the vortex created, rises to the top of the vessel and is expelled through the air vent either to atmosphere or to a specified tank. While the operation seems simple, it is a must for all hydronic systems. American Wheatley offers a tangential design that is constructed and stamped in accordance with ASME VIII, Division 1. They are also National Board registered and recognized. American Wheatley tangential air separators are available in sizes 2 through 30 with standard carbon steel construction. The American Wheatley Tangential air separator is also available with an optional, removable, stainless steel strainer with 3/16 perforations. Standard construction of 2 through 8 is rated 150 psi, 10 and larger are rated 125 psi. Higher pressure ratings are available. American Wheatley air separators are also available in stainless steel construction. Consult factory for pricing. ASME Tangential Air Separators (less strainer) ASME Construction and stamped 8 and under 150 P.S.I. working pressure 10 and larger 125 P.S.I.-working pressure MNPT inlet & outlet on 2 & 2 1/2 3 and larger flanged inlet & outlet Grooved end connections available 32 and above units available upon request Standard units are skirt mounted for vertical floor installation Ceiling and seismic mount available upon request TAS Series 6

7 PART NUMBER INLET & OUTLET A(IN.) B(IN.) C(IN.) D(IN.) E(IN.) F(IN.) G(IN.) H(IN.) I(IN.) J(IN.) WEIGHT TAS /2 22 1/2 16 5/8 5 1/2 2 1/8 4 5/16 1 1/ /2 40 TAS / /2 22 1/2 16 5/8 5 1/2 2 3/8 4 1/16 1 1/ /2 44 TAS /2 22 1/2 19 3/4 5 3/4 2 1/2 3 3/4 1 1/ /2 52 TAS /4 9 1/8 2 1/2 4 1/4 1 1/ /2 94 TAS /4 9 1/8 2 1/2 3 3/4 1 1/ /2 116 TAS /4 2 1/2 6 1/ TAS / / TAS / /2 9 1/ TAS / /2 8 1/ TAS / / /2 10 3/ TAS /8 12 1/ TAS180* /8 13 5/ / TAS200* / TAS240* / TAS300* / ASME Tangential Air Separators (with strainer) ASME Construction and stamped 8 and under 150 P.S.I. working pressure 10 and larger 125 P.S.I.-working pressure MNPT inlet & outlet on 2 & 2 1/2 3 and larger flanged inlet & outlet Grooved end connections available 30 and above units available upon request Standard units are skirt mounted for vertical floor installation Ceiling and seismic mount available upon request Quick access to strainer for maintenance TASS PART NUMBER INLET & OUTLET A(IN.) B(IN.) C(IN.) D(IN.) E(IN.) F(IN.) G(IN.) H(IN.) I(IN.) J(IN.) WEIGHT TASS /2 22 1/2 16 5/8 5 1/2 2 1/8 4 5/16 1 1/ /2 48 TASS / /2 22 1/2 16 5/8 5 1/2 2 3/8 4 1/16 1 1/ /2 56 TASS /2 22 1/2 19 3/4 5 3/4 2 1/2 3 3/4 1 1/ /2 70 TASS /4 9 1/8 2 1/2 4 1/4 1 1/ /2 108 TASS /4 9 1/8 2 1/2 3 3/4 1 1/ /2 136 TASS /4 2 1/2 6 1/ TASS / / TASS / /2 9 1/ TASS / /2 8 1/ TASS / / /2 10 3/ TASS /8 12 1/ TASS180* /8 13 5/ / TASS200* / TASS240* /2 62 Please call 7

8 Air Scoop The American Wheatley AS Series air scoop operates on the premise that air will rise in the piping and then into air scoop, being directed to the top opening and out of the system through an air vent or to an expansion tank. Since proper operation of this type of air separator is also dependant on velocity, sizing this type of air separator is a function of proper flow rate. This type of air separation is best suited for residential and light commercial applications. American Wheatley AS Series air scoops are readily available from stock. Standard Features: Available in heavy cast iron construction in sizes 1 to 3, 4 through 22 are fabricated carbon steel flanged units Taps are provided for expansion tank and air vent connection Maximum working pressure of 125 PSIG Maximum operating temperature of 450 F Air Release Valve High Capacity Air Release The final piece of the air separation puzzle is also offered by American Wheatley. American Wheatley offers our AR Series High Capacity Air Release Valve, designed to vacate the excessive amount of air removed from the hydronic system. The AR Series is available in sizes 1/2, 3/4 and 1 NPT. American Wheatley can supply you with all of the components necessary to sell and install a complete air removal system for your hydronic projects. From the Air Separator, the Sediment Separator, to the High Capacity Air Release Valve, we can supply it all. 8

9 Air & Dirt Separator-Standard & High Velocity The American Wheatley HVAC High Velocity and STAD Standard Velocity Coalescing Air & Dirt Separator is intended for use on commercial HVAC, institutional, and industrial applications to remove entrained air and particulate from system water. We accomplish this with the use of a High Performance saddle ring coalescing assembly internal to the separator. HVAD - High Velocity up to 6039 GPM STAD - Standard Velocity up to 2599 GPM Available with or without removable cover Stainless steel coalescing media Skim and drain valve connections standard Available 2 through 16, with larger sizes POA Particulate removal to 35 micron ASME rated 125 PSI, with higher pressures available Constructed in accordance with Section VIII of the ASME Boiler and Pressure Vessel Code RC- Removable Cover NR- Non Removable Cover 9

10 Standard Velocity with Non Removable Cover SURFACE AREA MAX FLOW PIPE SIZE MODEL NO. DIA. (INCH) A (INCH) B (INCH) C (INCH) D (INCH) (SQ. FT.) WEIGHT (LBS) (GPM) 2 STAD-2-NR / / STAD-2.5-NR / / STAD-3-NR / / STAD-4-NR / STAD-5-NR /16 6-3/4 18-3/ STAD-6-NR /16 6-3/4 18-3/4 29-5/ STAD-8-NR /4 7-1/ / / STAD-10-NR / / / / STAD-12-NR / / / / STAD-14-NR /16 8-1/2 34-1/2 49-5/ STAD-16-NR /16 8-1/2 34-1/ Standard Velocity with Removable Cover SURFACE AREA MAX FLOW PIPE SIZE MODEL NO. DIA. (INCH) A (INCH) B (INCH) C (INCH) D (INCH) (SQ. FT.) WEIGHT (LBS) (GPM) 2 STAD-2-RC / / STAD-2.5-RC / / STAD-3-RC / / STAD-4-RC / STAD-5-RC /16 6-3/4 18-3/ STAD-6-RC /16 6-3/4 18-3/4 29-5/ STAD-8-RC /2 7-1/ / / STAD-10-RC / / / / STAD-12-RC / / / / STAD-14-RC /16 8-1/2 34-1/2 49-5/ STAD-16-RC /16 8-1/2 34-1/ High Velocity with Non Removable Cover SURFACE AREA MAX FLOW PIPE SIZE MODEL NO. DIA. (INCH) A (INCH) B (INCH) C (INCH) D (INCH) (SQ. FT.) WEIGHT (LBS) (GPM) 2 HVAD-2-NR / / / / HVAD-2.5-NR / / / / HVAD-3-NR / / /4 21-1/ HVAD-4-NR / / / HVAD-5-NR / / / / HVAD-6-NR / / / HVAD-8-NR / /8 48-7/8 34-5/ HVAD-10-NR / /4 58-3/ / HVAD-12-NR / /4 58-3/ / HVAD-14-NR / /8 66-7/8 49-5/ HVAD-16-NR / /8 66-7/ High Velocity with Removable Cover SURFACE AREA MAX FLOW PIPE SIZE MODEL NO. DIA. (INCH) A (INCH) B (INCH) C (INCH) D (INCH) (SQ. FT.) WEIGHT (LBS) (GPM) 2 HVAD-2-RC / / /8 21-3/ HVAD-2.5-RC / / /8 21-3/ HVAD-3-RC / / /4 21-1/ HVAD-4-RC / / / HVAD-5-RC / / / / HVAD-6-RC / / / HVAD-8-RC /4 12-1/8 48-7/8 34-5/ HVAD-10-RC /8 12-3/4 58-3/ / HVAD-12-RC /8 12-3/4 58-3/ / HVAD-14-RC /2 12-5/8 66-7/8 49-5/ HVAD-16-RC /2 12-5/8 66-7/

11 Sediment Removal American Wheatley also offers a centrifugal type sediment removal separator. While the design is similar to the American Wheatley TAS Series air separator, the SRS sediment removal separator also offers the advantage of solids removal. The tangential design allows for sediment removal through the vortex action, which forces suspended sediment to the outside of the vessel and into the bottom sump where it can be easily removed. The tangential action also creates a vortex that forces entrained air into the center, which is then removed through the top opening, vented to the atmosphere or sent to the expansion tanks. Standard Features: Carbon Steel Construction ASME design and stamped Standard Design Pressure 125 PSI Removes Sediment and Entrained Air Tangential Design Bottom sump and drain Higher Pressures available Larger sizes available Custom built Tanks and Suction Diffusers American Wheatley HVAC Products can custom fabricate any size tank or flow diverter/suction diffuser to your specifications. Many options of material construction are available. 11

12 A Commitment To Bring You The Best With more than 30 years experience, Wheatley brand products have established a reputation for providing dependable products to the HVAC industry. The Plugaroo/TDV is an industry standard. In addition to our complete line of tanks, strainers and valve products, we are committed to bringing you the latest in HVAC technology from all over the world. This commitment is your assurance of receiving the best products the industry has to offer. Other American Wheatley HVAC Products: Butterfly Valves Non-slam Check Valves Silent and Dual Disc Styles ASME Relief Valves Pressure Reducing Valves Tank Fittings and Tank Drains Custom Tanks Chilled Water Buffer Tanks Dual Control Valves Air Scoops Flow Test Kits Air Release Valves Ball Valves Automated Quarter Turn Valves Specialty Air Separators Fabricated Products MAIN OFFICE 1005 E. Houston Broken Arrow, OK Toll Free: PH: FAX: SOUTHEAST U.S. LOCATION MECHANICAL ROOM SUPPLIES TOLL FREE

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