Wey
Butterfly Valve TZ01 Instruction Manual
Version 2012.04 page 2 / 8
1. GENERAL
Prior to any work or start-up and in order to ensure a proper functioning of our products,
the instruction manual must be observed.
Alterations on the products need our written approval. For consequential damages due to
neglection of this direction, we have to reject any liability.
2. TRANSPORTATION, STORAGE
2.1 Transportation
Transportation of the Wey® Butterfly Valves to their final destination (building site) shall take
place in solid
crates adapted to the Wey® Butterfly Valves’ size. The Wey® Butterfly Valves shall be protected
against exterior damage and atmospheric exposure.
Depending on the duration of transportation or storage and in view of the conditions, preservation
shall take place by welding Wey® Butterfly Valves into PE-film or adding sufficient drying agent or
equal.
2.2 Storage
Until final installation the Wey® Butterfly Valves shall be stored in a dry, shaded and vented area.
All function relevant parts shall be suitably covered against humidity, dust or other contamination.
The valve disc shall be set in a slightly (10°) open position for relief of the rubber seat.
Factory applied preservatives shall be checked for possible transport damages and appropriately
repaired acc. supplier’s instructions, if necessary.
For accessories mounted to the Wey® Butterfly Valves, such as electric actuators, limit switches,
solenoids, etc., the respective storage instructions of the manufacturer shall be observed with
priority.
3. INSTALLATION
3.1 Preparation before installation
Not correctly aligned pipelines must, by all means, be corrected before installation in order to
avoid tensions or even cracking of the valve body.
Before final installation of the Wey® Butterfly Valves, all parts and in particular the bore passage
and the disc seal shall be free of dust and dirt.
