Group: SPX FLOW
Catalog excerpts
CONTROL VALVES >Waukesha Cherry-Burrell
Open the catalog to page 1Throttling or regulating valves are designed for flow and pressure control applications. Fluid flows against the tapered curve of the valve • Utilizes standard W60/W80/W90 single seat components offering machined- seat allowing a calculated amount of flow from-bar bodies, modular design, and low cost of ownership through as it opens and closes. The throttling valve is typically equipped with a positioner. • Various body configurations allow controlling reverse-acting (W68R), converging (W682) and diverging (W685) flows • Multiple tapered seat Cv values available for valve size Throttling...
Open the catalog to page 2Typical product applications Throttling valves control flow rate based on the differential pressure expected across the valve, therefore flow rate and differential pressure are required to size a throttling valve. physical size as the line in which it will be installed. Brewery Clean In Place NOTE: A properly sized throttling valve may not necessarily be the same Personal Care G PM = 20 SG = 1.0 P = 16 (valve inlet pressure minus outlet pressure) To choose a Throttling Valve for a process Cv of 5, find this value in the Cv 20 psi (1.3 bar) (Friction loss in line to valve) Factor table...
Open the catalog to page 3Electropneumatic positioner option (4-20 valve to raised, lowered and custom trim selections. 6” Light Spring, Air to Raise 6 L A L 6” Light Spring, Air to Lower 6 A A 6” Air to Air S trok e Length Valve S ize I nch ( mm ) N o t e : Fo r a l l v a l v e s w i t h WC B 2 - p i e c e c o n t r o l t o p s , a d d 3 . 2 3 " ( 8 2 m m ) S t a n d a r d . * "A" Dimension is in fully extended (open) position.
Open the catalog to page 4(High flow plug only) See page 9 for Actuator Options *1.0 size throttling valves are only available for Cv 1.75, 2.5, 5.0 & 7.5 in T or C body configurations.
Open the catalog to page 5See page 9 for Actuator Options
Open the catalog to page 6See Page 9 for actuator options
Open the catalog to page 7Tr i - R i n g S e a t * ( T R ) O p e r. 2 8 0 ° F ( 1 3 7 ° C ) E P D M S t e r i l . 2 7 5 ° F ( 1 3 5 ° C ) E P D M O p e r. 3 5 0 ° F ( 1 7 6 ° C ) F K M Steril. Consult Factory FKM Pressure Differential < 40 psid The Valve Flow Coefficient Cv is the standard measure of valve flow capacity. Preliminary valve sizing may be done with the following formulas: GPM=Product flow rate in gallons per minute. Formula for water and other products with a specific gravity equal to 1.0: Formula for products where specific gravity will vary from water 1.0: SG=Specific gravity of product. P=Pressure...
Open the catalog to page 8adapter O ptions Throttling valves are also available in W88 Stem Flush or W98 Diaphragm Stem options. The ‘standard’ adaptor is used on all models of short and long stroke W60 Series valves. Machined from SS316L bar with a thick cross-section, the adaptor adds strength to the valve body and provides alignment for the stem. The outer perimeter seals to the valve body with an O-ring that is located forward to the product zone to minimize crevices. The product stem passes through the adaptor and is sealed to the adaptor with an O-ring. A Teflon bearing guides the stem and takes up the...
Open the catalog to page 9For use in a wide range of product pressures, including high pressure applications. Control Air Supply Pressure is 18 psi (1.24 bar) to 42 psi (2.90 bar (See Figure 1)). Maximum air pressure is 150 psi (10.34 bar). Available in Air-to-Raise (AR) or Air-to-Lower (AL). Figure 1: Air Pressure vs. % Stroke* VENT 100 Valve Stem Size *For Air to Spring Actuators (without positioner). Percent stroke based on 4" (102mm) & 5" (127mm) standard springs and 6" (152mm) light springs. CONTROL AIR IN ROLLING DIAPHRAGM For use in low product pressure applications. Eliminates breakaway friction and...
Open the catalog to page 10A D D I T I O N A L T E C H N I CA L DATA W68 HOLD I NG PR E SSU R E CHARTS W68 A R ( Ai r - t o - R ais e ) VA LV E S I Z E - I N C H E S ( M M ) - P R E S S U R E I N P S I ( BA R ) ACT UATO R SIZE (I N) Po r t P 1 , A c t u a t o r S p r i n g Holds Closed Against: Po r t P 2 , A i r t o Po r t A , Wi l l Open Against: Po r t P 1 , A i r t o Po r t B , Wi l l Hold Closed Against: If pressure rating is higher than documented in tables, consult factory before exceeding. N o r m a l a i r s u p p l y r e q u i r e m e n t s : 5 0 p s i f o r 4 a n d 5 i n ch a c t u a t o r, 6 i n ch l i g...
Open the catalog to page 11A D D I T I O N A L T E C H N I CA L DATA HOLD I NG PR E SSU R E CHARTS w682 W6 8 2 A R ( Ai r - t o - R a i se ) ACT UATO R SIZE (I N) 6LAR Po r t P 2 , A i r t o Po r t A , Wi l l Raise Stem (Opens) Against: Po r t P 1 , A c t u a t o r S p r i n g Holds Closed Against: If pressure rating is higher than documented in tables, consult factory before exceeding. N o r m a l a i r s u p p l y r e q u i r e m e n t s : 5 0 p s i f o r 4 a n d 5 i n ch a c t u a t o r, 6 i n ch l i g h t s p r i n g a c t u a t o r s . 15 psi for 5ALD actuators. *1 Bar = 14.5 psi Po r t P 3 , ( S t e m R a i s e...
Open the catalog to page 12B o t t o m Po r t P 1 , A c t u a t o r S p r i n g Holds Closed Against: 4HAR Po r t P 3 , Stem Raised, Spring Lowers Stem Against: Po r t P 2 , A i r t o Po r t A , Wi l l Raise Stem Against: If pressure rating is higher than documented in tables, consult factory before exceeding. N o r m a l a i r s u p p l y r e q u i r e m e n t s : 5 0 p s i f o r 4 , 5 a n d 6 i n ch a c t u a t o r s a n d l o n g s t r o ke a c t u a t o r s , 7 5 p s i f o r 4 , 5 a n d 6 i n ch h e a v y d u t y s p r i n g a c t u a t o r s . * 1 B a r = 1 4 . 5 p s i
Open the catalog to page 13A D D I T I O N A L T E C H N I CA L DATA W685 D ivert Th rot t lin g H o ld in g Pr e ssu r e Ch a r t s W6 8 5 A L / H A L ( Ai r - t o - Lowe r) - Sta nda rd Stroke Po r t P 2 , ( S t e m L o w ered) Actuator Spring Raises Stem Against: If pressure rating is higher than documented in tables, consult factory before exceeding. N o r m a l a i r s u p p l y r e q u i r e m e n t s : 5 0 p s i f o r 4 , 5 a n d 6 i n ch a c t u a t o r s a n d l o n g s t r o ke a c t u a t o r s , 7 5 p s i f o r 4 , 5 a n d 6 i n ch h e a v y d u t y s p r i n g a c t u a t o r s . * 1 B a r = 1 4 . 5 p s i
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