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Custom Vanes on the V4 Vane
Operated Flow Switch
T h e m a t e r i a l s i n c l u d e d i n t h i s c o m p i l a t i o n a r e f o r t h e u s e o f D w y e r I n s t r u m e n t s , I n c . p o t e n t i a l c u s t o m e r s
a n d c u r r e n t e m p l o y e e s a s a r e s o u r c e o n l y . T h e y m a y n o t b e r e p r o d u c e d , p u b l i s h e d , o r t r a n s m i t t e d
e l e c t r o n i c a l l y f o r c o m m e r c i a l p u r p o s e s . F u r t h e r m o r e , t h e C o m p a n y ’ s n a m e , l i k e n e s s , p r o d u c t n a m e s , a n d
l o g o s , i n c l u d e d w i t h i n t h e s e c o m p i l a t i o n s m a y n o t b e u s e d w i t h o u t s p e c i f i c , w r i t t e n p r i o r p e r m i s s i o n f r o m
D w y e r I n s t r u m e n t s , I n c .
© C o p y r i g h t 2 0 1 5 D w y e r I n s t r u m e n t s , I n c .
Custom Vanes
O v e r v i e w
 Va n e o r p a d d l e f l o w s w i t c h e s a r e u s e d t o i n i t i a t e h i g h o r l o w f l o w
a l a r m s
 O n e c o m m o n a p p l i c a t i o n u s e i s a s
a l o w f l o w a l a r m f o r s h u t - d o w n o f
a s y s t e m f o r p r o t e c t i o n o f t h e
c o m p o n e n t s f r o m d a m a g e
Custom Vanes
O v e r v i e w
 O f t e n t h e s e a r e u s e d i n c o o l i n g l i n e s ,
o i l l i n e s , o r m o n i t o r i n g o t h e r f l u i d f l o w s
t h a t a r e c r i t i c a l f o r t h e s y s t e m t o o p e r a t e
 I n t h e e x a m p l e s h o w n , a V 4 i s u s e d t o
e n s u r e c o o l i n g w a t e r c i r c u l a t i o n b e f o r e t h e
a i r c o n d i t i o n i n g c o m p r e s s o r m o t o r s t a r t s
Custom Vanes
O v e r v i e w
 T h e V 4 f l o w s w i t c h c o m e s s t a n d a r d w i t h a
U n i v e r s a l v a n e t h a t h a s 5 a d j u s t a b l e l a y e r s
f o r f i e l d s e t t i n g t h e a c t u a t i o n a n d
d e a c t u a t i o n f l o w s e t p o i n t
Custom Vanes
O v e r v i e w
 T h e U n i v e r s a l v a n e w o r k s i n 1 ½ t o 2 0 ” p i p e s i z e s f o r f l u i d o r g a s
a p p l i c a t i o n s
Custom Vanes
O v e r v i e w
 T h e a c t u a t i o n p o i n t i s w h e r e t h e s w i t c h c h a n g e s s t a t e o n a n
i n c r e a s e o f f l o w, a n d t h e d e a c t u a t i o n p o i n t i s w h e r e t h e s w i t c h
r e s e t s t o n o r m a l s t a t e
 O u r c a t a l o g p a g e a n d i n s t r u c t i o n m a n u a l s h o w t h e a p p r o x i m a t e
a c t u a t i o n a n d d e a c t u a t i o n r a t e s a c c o r d i n g t o f l u i d , p i p e s i z e , a n d
v a n e l a y e r
Custom Vanes
O v e r v i e w
Custom Vanes
O v e r v i e w
 I f t h e u n i v e r s a l v a n e d o e s n o t h a v e
t h e p r o p e r a c t u a t i o n a n d d e a c t u a t i o n
p o i n t n e e d e d f o r y o u r a p p l i c a t i o n ,
t h e n D w y e r c a n f a b r i c a t e a c u s t o m
v a n e f o r y o u r s p e c i f i c a p p l i c a t i o n
n e e d s
Custom Vanes
O v e r v i e w
 U s u a l l y m a d e i n a b o u t t w o w e e k s
 A c u s t o m v a n e i s m a d e w i t h a s p e c i f i c
s u r f a c e a r e a , t o a c t u a t e o r d e a c t u a t e
a c c o r d i n g t o t h e f l o w r a t e s y o u s p e c i f y
 D w y e r c a n a l s o m a k e c u s t o m v a n e s o u t
o f a v a r i e t y o f m a t e r i a l s a c c o r d i n g t o
c h e m i c a l c o m p a t i b i l i t y n e e d s
Custom Vanes
O v e r v i e w
 A c u s t o m v a n e m o d e l c a n b e o r d e r e d b y c o n t a c t i n g D w y e r
t e c h n i c a l s a l e s , o r d i r e c t l y o n o u r w e b s i t e u s i n g t h e
V 4 P r o d u c t C o n f i g u r a t o r
Custom Vanes
O v e r v i e w
 J u s t s e l e c t t h e c u s t o m v a n e o p t i o n a n d f i l l
i n t h e n e e d e d c r i t e r i a i n t h e p o p - u p b o x
 Yo u w i l l n e e d t o k n o w t h e p i p e s i z e ,
t h e f l u i d a n d s p e c i f i c g r a v i t y, t h e f l o w
r a t e u n i t o f m e a s u r e , t h e a c t i v a t i o n f l o w
r a t e , t h e d e a c t u a t i o n f l o w r a t e , w h i c h
f l o w r a t e i s c r i t i c a l , t h e m a x i m u m
f l o w r a t e , a n d t h e n o r m a l f l o w r a t e
Custom Vanes
O v e r v i e w
 W e n e e d t o k n o w i f t h e a c t u a t i o n o r d e a c t u a t i o n f l o w r a t e i s
c r i t i c a l b a s e d o n o n l y b e i n g a b l e t o e n s u r e t h a t o n e i s m e t
 I f i t i s a l o w f l o w a l a r m , t h e n s e l e c t t h e d e a c t u a t i o n f l o w ; i f i t
i s a h i g h f l o w a l a r m , t h e n s e l e c t t h e a c t u a t i o n f l o w
 Ty p i c a l l y, t h e d e a c t u a t i o n p o i n t i s a p p r o x i m a t e l y 5 5 % o f t h e
a c t u a t i o n p o i n t f o r l i q u i d s , a n d 7 5 t o 9 0 % o f t h e a c t u a t i o n p o i n t
f o r g a s e s
Custom Vanes
O v e r v i e w
 D w y e r c a n m a k e V 4 c u s t o m v a n e s t h a t w i l l a c t u a t e o n i n c r e a s i n g
f l o w i n t h e v e l o c i t y r a n g e o f 0 . 6 t o 7 f e e t p e r s e c o n d i n l i q u i d s
a n d 1 0 0 0 t o 5 0 0 0 f e e t p e r m i n u t e i n g a s e s
 F o r d e c r e a s i n g f l o w, i n t h e v e l o c i t y
r a n g e o f 0 . 3 3 t o 3 . 8 5 f e e t p e r s e c o n d i n
l i q u i d s a n d 7 5 0 t o 4 5 0 0 f e e t p e r m i n u t e
i n g a s e s

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Custom Vanes on the V4 Vane Operated Flow Switch

  • 1. Custom Vanes on the V4 Vane Operated Flow Switch T h e m a t e r i a l s i n c l u d e d i n t h i s c o m p i l a t i o n a r e f o r t h e u s e o f D w y e r I n s t r u m e n t s , I n c . p o t e n t i a l c u s t o m e r s a n d c u r r e n t e m p l o y e e s a s a r e s o u r c e o n l y . T h e y m a y n o t b e r e p r o d u c e d , p u b l i s h e d , o r t r a n s m i t t e d e l e c t r o n i c a l l y f o r c o m m e r c i a l p u r p o s e s . F u r t h e r m o r e , t h e C o m p a n y ’ s n a m e , l i k e n e s s , p r o d u c t n a m e s , a n d l o g o s , i n c l u d e d w i t h i n t h e s e c o m p i l a t i o n s m a y n o t b e u s e d w i t h o u t s p e c i f i c , w r i t t e n p r i o r p e r m i s s i o n f r o m D w y e r I n s t r u m e n t s , I n c . © C o p y r i g h t 2 0 1 5 D w y e r I n s t r u m e n t s , I n c .
  • 2. Custom Vanes O v e r v i e w  Va n e o r p a d d l e f l o w s w i t c h e s a r e u s e d t o i n i t i a t e h i g h o r l o w f l o w a l a r m s  O n e c o m m o n a p p l i c a t i o n u s e i s a s a l o w f l o w a l a r m f o r s h u t - d o w n o f a s y s t e m f o r p r o t e c t i o n o f t h e c o m p o n e n t s f r o m d a m a g e
  • 3. Custom Vanes O v e r v i e w  O f t e n t h e s e a r e u s e d i n c o o l i n g l i n e s , o i l l i n e s , o r m o n i t o r i n g o t h e r f l u i d f l o w s t h a t a r e c r i t i c a l f o r t h e s y s t e m t o o p e r a t e  I n t h e e x a m p l e s h o w n , a V 4 i s u s e d t o e n s u r e c o o l i n g w a t e r c i r c u l a t i o n b e f o r e t h e a i r c o n d i t i o n i n g c o m p r e s s o r m o t o r s t a r t s
  • 4. Custom Vanes O v e r v i e w  T h e V 4 f l o w s w i t c h c o m e s s t a n d a r d w i t h a U n i v e r s a l v a n e t h a t h a s 5 a d j u s t a b l e l a y e r s f o r f i e l d s e t t i n g t h e a c t u a t i o n a n d d e a c t u a t i o n f l o w s e t p o i n t
  • 5. Custom Vanes O v e r v i e w  T h e U n i v e r s a l v a n e w o r k s i n 1 ½ t o 2 0 ” p i p e s i z e s f o r f l u i d o r g a s a p p l i c a t i o n s
  • 6. Custom Vanes O v e r v i e w  T h e a c t u a t i o n p o i n t i s w h e r e t h e s w i t c h c h a n g e s s t a t e o n a n i n c r e a s e o f f l o w, a n d t h e d e a c t u a t i o n p o i n t i s w h e r e t h e s w i t c h r e s e t s t o n o r m a l s t a t e  O u r c a t a l o g p a g e a n d i n s t r u c t i o n m a n u a l s h o w t h e a p p r o x i m a t e a c t u a t i o n a n d d e a c t u a t i o n r a t e s a c c o r d i n g t o f l u i d , p i p e s i z e , a n d v a n e l a y e r
  • 7. Custom Vanes O v e r v i e w
  • 8. Custom Vanes O v e r v i e w  I f t h e u n i v e r s a l v a n e d o e s n o t h a v e t h e p r o p e r a c t u a t i o n a n d d e a c t u a t i o n p o i n t n e e d e d f o r y o u r a p p l i c a t i o n , t h e n D w y e r c a n f a b r i c a t e a c u s t o m v a n e f o r y o u r s p e c i f i c a p p l i c a t i o n n e e d s
  • 9. Custom Vanes O v e r v i e w  U s u a l l y m a d e i n a b o u t t w o w e e k s  A c u s t o m v a n e i s m a d e w i t h a s p e c i f i c s u r f a c e a r e a , t o a c t u a t e o r d e a c t u a t e a c c o r d i n g t o t h e f l o w r a t e s y o u s p e c i f y  D w y e r c a n a l s o m a k e c u s t o m v a n e s o u t o f a v a r i e t y o f m a t e r i a l s a c c o r d i n g t o c h e m i c a l c o m p a t i b i l i t y n e e d s
  • 10. Custom Vanes O v e r v i e w  A c u s t o m v a n e m o d e l c a n b e o r d e r e d b y c o n t a c t i n g D w y e r t e c h n i c a l s a l e s , o r d i r e c t l y o n o u r w e b s i t e u s i n g t h e V 4 P r o d u c t C o n f i g u r a t o r
  • 11. Custom Vanes O v e r v i e w  J u s t s e l e c t t h e c u s t o m v a n e o p t i o n a n d f i l l i n t h e n e e d e d c r i t e r i a i n t h e p o p - u p b o x  Yo u w i l l n e e d t o k n o w t h e p i p e s i z e , t h e f l u i d a n d s p e c i f i c g r a v i t y, t h e f l o w r a t e u n i t o f m e a s u r e , t h e a c t i v a t i o n f l o w r a t e , t h e d e a c t u a t i o n f l o w r a t e , w h i c h f l o w r a t e i s c r i t i c a l , t h e m a x i m u m f l o w r a t e , a n d t h e n o r m a l f l o w r a t e
  • 12. Custom Vanes O v e r v i e w  W e n e e d t o k n o w i f t h e a c t u a t i o n o r d e a c t u a t i o n f l o w r a t e i s c r i t i c a l b a s e d o n o n l y b e i n g a b l e t o e n s u r e t h a t o n e i s m e t  I f i t i s a l o w f l o w a l a r m , t h e n s e l e c t t h e d e a c t u a t i o n f l o w ; i f i t i s a h i g h f l o w a l a r m , t h e n s e l e c t t h e a c t u a t i o n f l o w  Ty p i c a l l y, t h e d e a c t u a t i o n p o i n t i s a p p r o x i m a t e l y 5 5 % o f t h e a c t u a t i o n p o i n t f o r l i q u i d s , a n d 7 5 t o 9 0 % o f t h e a c t u a t i o n p o i n t f o r g a s e s
  • 13. Custom Vanes O v e r v i e w  D w y e r c a n m a k e V 4 c u s t o m v a n e s t h a t w i l l a c t u a t e o n i n c r e a s i n g f l o w i n t h e v e l o c i t y r a n g e o f 0 . 6 t o 7 f e e t p e r s e c o n d i n l i q u i d s a n d 1 0 0 0 t o 5 0 0 0 f e e t p e r m i n u t e i n g a s e s  F o r d e c r e a s i n g f l o w, i n t h e v e l o c i t y r a n g e o f 0 . 3 3 t o 3 . 8 5 f e e t p e r s e c o n d i n l i q u i d s a n d 7 5 0 t o 4 5 0 0 f e e t p e r m i n u t e i n g a s e s