Beeco Tef Flow Manuale utente
Cherry-Burrell Model 61 and 62 Valves
Waukesha Cherry Model W61, W62,
W63, W64, W65 and K67/K69 Valves
Waukesha Cherry-Burrell
Seat Replacement
Seat Ring Replacement Parts
1" 1-1/2" 2" 2-1/2" 3" 4"
Tef Flow™20-240 20-240 20-241 20-242 20-243 20-244
Tef Flow™P 115347 115347 115348 115349 115350 115351
Tef Flow™P Tools:
Seat Ring Tool 115654 115654 115655 115656 115657 115658
Base 115653 115653 115653 115653 115653 115653
Standard Tef Flow™Seat
Standard Tef Flow™seats are white and can be cut for
removal.
1. Place a piece of shim stock or feeler gauge behind seat
ring to prevent scratching of stem surface.
2. Carefully cut through seat ring with utility knife.
3. Remove seat ring from stem.
4. To install new seat, place seat ring on standard S-Line
ferrule equal size to valve (Figure 1) or on seat ring tool
as shown in Figure 2.
5. Align stem on seat ring and apply pressure to snap seat
into place.
6. Valve seat will spin freely when properly installed.
Figure 1 - Tef Flow™Seat
Figure 2 - Tef Flow™P Seat
Tef Flow™P Seat
Tef Flow™P seats are gray and must be melted through for
proper removal.
1. Melt through seat ring using clean plastic cutting tip on
heavy duty soldering iron capable of maintaining 700°F
(371°C) tip temperature.
2. DO NOT use knife to cut seat ring from stem to avoid
personal injury and/or damage to stem.
3. To install new seat, place installation tool base onto
table or bench with 1.0" hole (Figure 2, item B).
4. Place stem through hole in base.
5. Place new seat ring (item C) onto stem with 30° seat
angle and flat side facing away from base as shown in
Figure 2.
6. Place seat ring tool (item A) over seat ring.
7. Using an arbor press, apply constant steady pressure to
seat ring tool snapping seat ring into place.
CAUTION: DO NOT use hammer to install.
8. Valve seat will spin freely when properly installed.
Cherry-Burrell Model 61 and 62 Valves
Waukesha Cherry-Burrell
Seat Replacement
Seat Ring Replacement Parts
1-1/2" 2" 2-1/2" 3" 4"
Teflon 3025341 3025342 3025343 3025345 3025346
Teflon Seat
1. Place a piece of shim stock or feeler gauge behind seat
ring to prevent scratching of stem surface.
2. Carefully cut through seat ring with utility knife.
3. Remove seat ring from stem.
4. Clean residue and deposits out of groove.
5. Prepare new seat ring for installation by heating to
approximately 350°F (177°C) in boiling glycol.
NOTE: Use an industrial electric heating pot. If using hot
plate or bunsen burner, place seat ring on support to prevent
ring from coming in contact with container.
WARNING: Observe proper safety practices around
open flame. To avoid burn injuries, wear gloves or
use insulating cloth to handle heated parts.
6. Remove ring from boiling glycol with wood rod, wire
hook or small spatula.
7. Observe correct seat chamfer position (Figure 3), place
ring on stem groove and use thumbs to carefully work
ring into groove. Do not stretch or roll ring.
8. When seated, check seat chamfer for correct position.
Rotate ring on stem to ensure it is fully seated.
9. If immediately installing stem, place stem in cool water
to relieve stress and allow handling.
Figure 3 - Seat Chamfer Position
611 Sugar Creek Road • Delavan, WI 53115 USA
Tel: 1.800.252.5200 or (262)728.1900 • Fax: 1.800.252.5012 or (262)728.4904
E-mail: info@processequipment.spx.com • Web site: www.spxpe.com
Issued: February 2006 • 95-01019
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