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Butterfly Valve Spacers
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As
the butterfly valve wafer rotates, it will hit the ID of the standard
Flange Adaptor. Oxford Plastics can machine custom Flange-Adaptors
to avoid using spacers and provide for full butterfly-valve operating.
Valve spacers are used to off-set the standard HDPE flange face
to provide for full wafer rotation, when customized flanges have
not been ordered. Be sure to double check the standard spacer thickness
is sufficient for the exact butterfly valve being used, by doing
a simple dimensional layout. |
Nominal Size |
OD |
ID |
WPR (psi) |
Thickness |
|
2" |
3.90 |
2.40 |
160 |
1.0 |
|
3" |
5.00 |
3.50 |
160 |
1.0 |
|
4" |
6.60 |
4.50 |
160 |
1.0 |
|
6" |
8.50 |
6.63 |
160 |
1.5 |
|
8" |
10.63 |
8.63 |
160 |
2.0 |
|
10" |
12.75 |
10.50 |
160 |
2.0 |
|
12" |
15.00 |
12.70 |
160 |
2.0 |
|
14" |
17.50 |
14.00 |
160 |
2.0 |
|
16" |
20.00 |
17.00 |
130 |
2.0 |
|
18" |
21.12 |
18.00 |
130 |
2.5 |
Refer to next page
for modified flange adaptors that avoid use of spacer rings.
For larger valve spacers the following information is needed: width
of valve from face to face, diameter of butterfly wafer and the
location of the butterfly wafer stem (center stem or otherwise).
All non-stock fabricated fittings are produced to order and are
non-cancelable and non-returnable.
Hydrotesting for compliance with AWWA C906 fitting requirements
add 15% (i.e., 1.15 multiplier).
Contact
us today by email or our toll free number:
sales@oxfordplasticsinc.com
1.800.263.0502
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Copyright ® 2003 - 2008 | Oxford Plastics Inc. | All Rights Reserved |
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Oxford Plastics Inc. ~ PO Box 119, Oxford Road 6, Embro, Ontario, CANADA, N0J 1J0 |
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Office: 519.423.6232 ~ Fax: 519.423.6057 ~ Toll Free: 1.800.263.0502 |