Product
Instructions
Viega ProPress
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Viega LLC, 100 N. Broadway, 6
PI-PP 520180 0513 (Butterfly Valve) (EN ES FR)
Butterfly Valve
®
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Floor • Wichita, KS 67202 • Ph: 800-976-9819 • Fax: 316-425-7618
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The Viega ProPress Butterfly Valve is designed to be
installed as an in-line or end-line valve.
Operating Instructions:
1. Ensure the flange face as well as the Butterfly Valve
sealing surface are clean and free of debris and valve is
in the near closed position.
2. Place the Butterfly Valve between the flanges. Use
the flange bolts to align and center valve between the
flanges.
3. Install flat washers on each bolt and tighten nuts to
"finger tight."
4. Install Butterfly Valve handle by placing the handle over
the stem and pushing the handle completely onto the
stem.
5. Tighten handle set screw.
6. Open valve to full open position. Tighten to the
recommended MAX. Bolt Torque in the table below.
Part
Size
Bolt Dimensions (in)
Number
(in)
⅝" x 1½" (4 per flange)
22074
2½"
22075
3"
⅝" x 1⅝" (4 per flange)
22076
4"
⅝" x 1¾" (8 per flange)
7. Position the Butterfly Valve in the required operating
position by using the spring loaded locking indicator on
the valve handle.
NOTE: When using flanges other than Viega ProPress
Adapter Flanges, bolt length requirements may vary.
Recommended Max.
Bolt Torque (ft/lbs)
75
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