Water Sense
Detailed Drawings for Force Balance Test Apparatus
Detailed Drawings for the Force Balance Test Apparatus
Drawings courtesy of Mike Miller, Alsons Corporation
The American Society of Mechanical Engineers (ASME)/Canadian Standards
Association (CSA) Joint Harmonization Task Force on water-efficient showerheads used
the force balance test apparatus shown in these drawings during its research and
development of the force requirements outlined in the WaterSense® Draft Specification
for Showerheads. For more information on this apparatus please contact Mike Miller at
517-439-2145 or mmiller@alsons.com.
Draft Version 1.0
1
September 24, 2009

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




V

For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
NOTE:
THE SYSTEM MUSI BALANCE AT 45 ± l'
15
ANGLE INDICATOR
1
MCMASTER NUMBER 2I955A68
14
2.25' T-SLOTTED ALUMINUM
1
ALUMINUM
13
4' T-SLOTTED ALUMINUM
2
ALUMINUM
12
7.5' T-SLOTTED ALUMINUM
2
ALUMINUM
II
12" T-SLOTTED ALUMINUM
2
ALUMINUM
10
13" T-SLOTTED ALUMINUM
4
ALUMINUM
9
16' T-SLOTTED ALUMINUM
2
ALUMINUM
8
SCREW
51
POWDER COATED STEEL
7
CORNER CONNECTOR
6
ALUMINUM
6
TEE CONNECTOR
6
ALUMINUM
5
PIVOT ROD
1
TYPE 304 STAINLESS STEEL
4
LONG SCREW
3
ALUMINUM
3
WEIGHT HOLDER
1
POLYPROPYLENE
2
COUNTER WEIGHT
1
STAINLESS STEEL
I
TARGET
1
POLYPROPYLENE
NO.
DESCRIPTION
OTY.
MATERIAL/COLOR
DO NOT SCALE PRINT
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X ±.l
DECIMAL .XX + .01
DECIMAL .XXX +.005
ANGULAR +30'
DUMB!
MIE
8/17/09
MIEIIIi
SEE TABLE
hue
FORCE BALANCE
sin
imOHIIT
SCJUE
N/A
MB.
PHin.
Kl
WEI
I OF 17

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4
3
2
D
®p
«p,
®p
CP,
0°
c
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020
















<&.
o3
o3
(£3
B
A
2.25
17.0
© © ©
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
15
ANGLE INDICATOR
0
MCMASTER NUMBER 2I955A68
14
2.25' T-SLOTTED ALUMINUM
1
ALUMINUM
13
4" T-SLOTTED ALUMINUM
0
ALUMINUM
12
7.5" T-SLOTTED ALUMINUM
2
ALUMINUM
II
12' T-SLOTTED ALUMINUM
0
ALUMINUM
10
13' T-SLOTTED ALUMINUM
2
ALUMINUM
9
16' T-SLOTTED ALUMINUM
2
ALUMINUM
8
SCREW
30
POWDER COATED STEEL
7
CORNER CONNECTOR
0
ALUMINUM
6
TEE CONNECTOR
6
ALUMINUM
5
PIVOT ROD
1
TYPE 304 STAINLESS STEEL
4
LONG SCREW
0
ALUMINUM
3
WEIGHT HOLDER
0
POLYPROPYLENE
2
COUNTER WEIGHT
0
STAINLESS STEEL
1
TARGET
0
POLYPROPYLENE
NO.
DESCRIPTION
OTY.
MATERIAL/COLOR
DO NOT SCALE PRINT
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X ±.l
DECIMAL .XX + .01
DECIMAL .XXX +.005
ANGULAR +30'
MMI BT
DAIE
8/17/09
HIEIIU
SEE TABLE
11 in
STAND
sin
APPMKID IT
SCALE
N/A
IMG 10.
PAIIT K>.
SHEET
El
2 OF 17
D
C
B
A
4
3
?

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4
3
2
D
C
B
A
/

SEE DETAIL A
U
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020
















0 18.0
15
ANGLE INDICATOR
1
MCMASTER NUMBER 2I955A68
14
2.25' T SL0TTED ALUMINUM
0
ALUMINUM
13
4" T-SL0TTED ALUMINUM
2
ALUMINUM
12
7.5' T-SL0TTED ALUMINUM
0
ALUMINUM
II
12' T-SL0TTED ALUMINUM
2
ALUMINUM
10
13' T-SL0TTED ALUMINUM
2
ALUMINUM
9
16" T-SL0TTED ALUMINUM
0
ALUMINUM
8
SCREW
21
POWDER COATED STEEL
7
CORNER CONNECTOR
6
ALUMINUM
6
TEE CONNECTOR
0
ALUMINUM
5
PIVOT ROD
0
TYPE 304 STAINLESS STEEL
4
LONG SCREW
3
ALUMINUM
3
WEIGHT HOLDER
1
POLYPROPYLENE
2
COUNTER WEIGHT
1
STAINLESS STEEL
1
TARGET
1
POLYPROPYLENE
NO.
DESCRIPTION
QTY.
MATERIAL/COLOR
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
DETAIL A
ONLY TWO SCREWS USED TO SECURE BRACKET
MUST BE THE TWO OUTSIDE SCREWS
DO NOT SCALE PRINT
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X ±.l
DECIMAL .XX + .01
DECIMAL .XXX +.005
ANGULAR +30'
MMI BT
DAIE
8/17/09
HIEIIU
SEE TABLE
11 in
BALANCE
sin
APPMKID IT
SCALE
N/A
IMG 10.
PAIIT K>.
SHEET
El
3 OF 17
D
C
B
A
4
3
?

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018.0
,25 ±.l
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




NOTES:
1.	CUT FROM MCMASTER-CARR PART NUMBER 8742K435
POLYPROPYLENE SHEET 1/4" THICK, 24" X 24\
TRANSLUCENT WHITE
2.	DISK MUST BE FLAT AND LEVEL WITHIN 0.25"
3.	SURFACE MUST BE FREE OF CUTS AND GROOVES
THAT MAY COLLECT WATER
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
TARGET
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEII1L
POLYPROPYLENE
SCME
1:5
*" 4 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




NOTES:
1.	SIZE AND WEIGHT WILL VARY
2.	MUST COUNTER BALANCE POLYPROPYLENE DISK
SO THAT THE SYSTEM BALANCES AT 45 ± 1°
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
COUNTER WEIGHT
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
SCME
*" 5 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE






21 0.25
0.36
3X 0.31
7X 0.125
TYP 118.0°
.lO-i
/
H v v
1^.35,40 |
I I 1.00
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
NOTES:
00.31 FOR	2 g WEIGHT HCHASTER PART NUMBER 1777T44
00.36 FOR	5 g WEIGHT MCMASTE PART NUMBER I777T45
00.44 FOR	10 g WEIGHT MCASTER PART NUMBER I777T46
00.55 FOR	I/2 oz WEIGHT MCMASTER PART NUMBER I908T23
00.85 FOR	2 oz WEIGHT MCMASTER PART NUMBER I908T2I
DO NOT SCALE PRINT

UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .XX +.01
DECIMAL .XXX +.005
ANGULAR 130'
hue
WEIGHT HOLDER
W"11 WE A 1*1 1 A A
9/3/09
sin imoHiiT
D
V
UIFKIAJ
POLYPROPYLENE
1:1
™*' "" 6 OF 17

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For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




l/4"-20 THREADS
NOTE: MCMASTER-CARR PART NUMBER 98I64A222
SOCKET CAP SCREW


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
LONG SCREW
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEII1L
STAINLESS STEEL
suit
2:1
*" 7 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




9.5

0.125
NOTE:
PRECISION GROUND FINISH, FREE FROM BURRS
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
PIVOT ROD
WHIT MH AA
8/17/09
sin imoMii
A
Kl
Ty^E 304 STAINLESS STEEL
suit
2:1
*" 8 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
8/17/09
2008020
DRAWING RELEASE
3.00
.185
NOTE: MCMASTER-CARR PART NUMBER 47065TI82
TEE CONNECTOR
3.00
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX ±.01
DECIMAL .XXX ±.005
ANGULAR ±30'
TITLE
TEE CONNECTOR
	m	
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
MH
8/I7/09
SCME
WEI
HIEIIll
ALUMINUM

-------
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
8/17/09
2008020
DRAWING RELEASE
0.26
2.00
R.13 TYP
NOTE: MCMASTER-CARR PART NUMBER 47065TI75
CORNER CONNECTOR
.185
2.00
UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX ±.01
DECIMAL .XXX ±.005
ANGULAR ±30'
TITLE
CORNER CONNECTOR
MW.	
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com
MH
8/I7/09
SCME
WEI
HIEIIll
ALUMINUM

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




.25
l/r-20 THREADS
NOTE: MCMASTER-CARR PART NUMBER 47065TI39
T-NUT WITH BUTTON-HEAD CAP SCREW
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
SCREW
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEII1L
POWDER COATED STEEL
suit
2:1
*" II OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




16.0
1.0
/ ^
( C
r



^ .75 sh-
0.130 THRU

of
erki
T
1.0
I
NOTE: CUT FROM MCMASTER-CARR PARI NUMBER 470651123
FRACTIONAL T-SLOTTED FRAMING SYSTEM TXT SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


unless OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
16 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 12 OF 17

-------
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




1.0
lor
orki
T
i.o
_L
NOTE: CUT FROM MCMASTER-CARR PARI NUMBER 470651123
FRACTIONAL T-SLOTTED FRAMING SYSTEM TXT SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
13 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 13 OF 17

-------
REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




12.0
1.0
5^3
o
T
i.o
I
NOTE: CUT FROM MCMASTER-CARR PART NUMBER 47065TI23
FRACTIONAL T-SLOTTED FRAMING SYSTEM TXT SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
12 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 14 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




7.5
1.0
O
or^i
T
i.o
I
NOTE: CUT FROM MCMASTER CARR PARI NUMBER 470651123
FRACTIONAL T SLOTTED FRAMING SYSTEM I1 X I1 SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
7.5 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 15 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




4.0
1.0
o
T
1.0
NOTE: CUT FROM MCMASTER-CARR PART NUMBER 47065TI23
FRACTIONAL T-SLOTTED FRAMING SYSTEM I1 X I1 SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
4 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 16 OF 17

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REVISIONS
REV
DESCRIPTION
DATE
APPROVED
REL
DRAWING RELEASE
8/17/09
2008020




2.25
1.0






^ .75^
0.130 THRU
o
er^i
T
i.o
I
NOTE: CUT FROM MCMASTER CARR PART NUMBER 47065TI23
FRACTIONAL T SLOTTED FRAMING SYSTEM I1 X I1 SQUARE
EXTRUSION, 8' LENGTH
For more information, contact
Michael Miller. (517) 439-2145 or
mmiller@alsons.com


UNLESS OTHERWISE SPECIFIED
ALL DIMENSIONS ARE IN INCHES
TOLERANCES
DECIMAL .X !.I
DECIMAL .XX i.Ol
DECIMAL .XXX ±.005
ANGULAR 130'
TITLE
2.25 INCH BAR
WHIT MH AA
8/17/09
sin imoMii
A
Kl
HIEIIll
ALUMINUM
SCME
1:1
*" 17 OF 17

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