Mode Of Operation; General Terms - SPX FLOW APV DELTA SV1 Instruction Manual

APV
APV_SV1_UK-8_082017.qxp
Butterfly Valve
DELTA SV1
IInstruction Manual: UK - rev. 8
4.

Mode of Operation

4.1.

General Terms

Use of high-quality stainless steel and seal materials to the
specified requirements, the butterfly valve range DELTA SV1 is
applicable in the food and beverage industries as well as in the
chemical and pharmaceuticl industries.
Valves of the series DELTA SV1 can either be operated manually
or remote controlled via a pneumatic actuator. Manual operation
and pneumatic actuator including add-on pieces are inter-
changeable.
In the standard design "NC", the pneumatic turning actuator opens
the valve with compressed air.
Reset by spring force into the limit position closed.
Extension of operating time of actuated valves by pneumatic air
throttle or adjusting screw in the control unit to optimize the
flow behaviour and to reduce the risk of pressure hammers in
installations if necessary.
The butterfly valve can also be used in vacuum systems.
The valve opens and closes by turning the disc by 90°.
Smooth valve passage without diversion of line flow.
The opening diameter complies with the size of the inner line
diameter.
UK
4