Victaulic 795 Series, Инструкция по установке и обслуживанию

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I-795/906 / Installation-Ready ™ Knife Gate Valve / Installation and Maintenance Instructions
6. TIGHTEN NUTS: Tighten the hex nuts evenly by alternating sides in a
crossing pattern (as shown in the sequence above) until metal-to-metal
contact occurs at the bolt pads .
NOTE: It is important to tighten the hex nuts evenly by alternating sides
to prevent pinching of the pipe gaskets . An impact wrench or standard
socket wrench with a deep-well socket can be used to bring the bolt
pads into metal-to-metal contact . Refer to the “Series 906 Helpful
Information” and “Impact Wrench Usage Guidelines” sections .
WARNING
• Visual inspection of each joint is critical.
• Improperly assembled joints must be corrected before the
system is placed into service.
Failure to follow these instructions could cause joint failure,
resulting in serious personal injury and/or property damage.
GOOD
BAD
7. INSPECT PADS: Visually inspect the bolt pads at each joint to ensure
that metal-to-metal contact is achieved across the entire bolt pad
section .
I-795/906_20 REV_D