Application
Special regulating valve for regulation of
water, steam, gases and other non-aggressive
fluids for service pressures and temperatures:
Technical description
The valve is head-type with seat screwed into
the body. Flow characteristic is defined as
either linear or exponential. Nominal flow
coefficient can be set from 0,5 to 50 m3/h
depending on valve diameter. Allowable
closure leakage is 0,05% of the flow
Coefficient. Regulation ratio is 1:50. DN 15
valves are supplied as a compact casting
without lower bonnet.
Connecting and face-to-face dimensions
Flange connecting dimensions as per
ČSN 13 1060, DIN 2501.
Face-to-face dimensions as per
ČSN EN 558-1, line 1, DIN 3202 F1.
Flange faces as per ČSN 13 1061, DIN 2526.
Material
Body, bonnet carbon steel (GS-C25)
Stem stainless steel (13 Cr)
Gland packing asbestos-free graphite
Testing
The valve is tested as per ČSN 13 3060, part 2
DIN 3230-3.
Installation
The valve can be installed in horizontal or
vertical piping. Installation in vertical position
with servomotor downwards is not
recommended.
Operation
The valve is operated by electric direct-acting
servomotor. Actuator is supplied on the base
of customer´s demand.
|
