TYPE 3500 INSTALLATION, OPERATION & MAINTENANCE MANUAL
1. WARNING
Users must strictly comply with the instructions and the use of proper function of an
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gle seat valves. DVC A/S will not be responsible for problems due to inappropriate use
of angle seat valves.
2. ATTENTION
Do not touch the valve body as it becomes hot during operation, which can
cause serious human injury.
3. AREAS OF USE
All our angle seat valves are made of 100% stainless steel, and can withstand medias
such as water, salt water, steam, chemicals, oil, crude oil and are suitable for use in
the textile industry and similar areas.
4. STORAGE OF VALVES
On receipt, check that the valve is in fully assembled condition. End caps on the valve
should be kept intact and removed only at the time of installation. Performance de
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pends on preventing damage to the seating surfaces.
Valves should be stored in a covered area. If a covered area is not available any wa
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ter proof covering material should be spread over the valves and the valves should be
kept on a wooden pallet at least 6” above the ground level.
Do not apply tar, paint, grease or any other material inside the valve or on the stem,
as this could interfere with the performance of the valve.
5. INSTALLATION
Before installation, remove all foreign matter in the pipline by flushing the line with
water or compressed air.
End connections of the valve should be carefully checked and cleaned before
installation. Taper threaded end fittings should not be overtightened. Valves should be
checked for proper alignment of gasket before tightening the flange joint.