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IPS & DIPS Tapping Sleeve / Saddle Assembly
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The
normal method of field tapping a mainline is to apply a tapping
saddle and tap through the tapping valve into the main, remove the
cutter and coupon and close the valve. It is advantageous to fabricate
a branch saddle fused to flange adaptor with a one-piece metal back
up ring captured between, this has been done for years. These "wet-tap"
assemblies are fabricated to minimize the vertical height from the
pipe crown to the flange face. This assembly complies with MSS SP-60,
the Standard Practice of the MSS (Manufacturers Standardization
Society of the Valve and Fittings Industry, Inc.) These assemblies
are engineered to accept tapping valves, whereas ordinary flanges
will not accept tapping valves. The assembly consists of custom-engineered
branch saddle fused to a customized flange adaptor with a centered
back up ring. Tapping Sleeve / Saddles are nominally fused to the
main pipe on the horizontal. |
Outlet |
Main Size Range |
G (Back Up Ring) |
F (Flange Face) |
H (Height) |
DR | WPR (psi) |
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4" |
6 - 12 |
0.94 |
1.00 |
8.50 |
11 |
160 |
|
6" |
8 - 12 |
1.00 |
1.25 |
8.50 |
11 |
160 |
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8" |
10 - 12 |
1.12 |
1.50 |
9.00 |
11 |
160 |
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10" |
12 |
1.19 |
2.00 |
10.50 |
11 |
160 |
|
12" |
14 - 34 |
1.50 |
2.25 |
10.50 |
11 |
160 |
See
Cutter Sizes for Taps for information
on cutter sizes for taps.
CAUTION:
Insure that the filed fusion equipment has adaptors to hold the
assembly with sufficient clearance opening and closure stroke to
complete fusion.
User
supplied longer bolts may be required to accept flange face and
metal back up ring.
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 |