Table of Contents
Advertisement
9.2 Construction
A120-CS and A140-CS
• Lateral connection
M12x48
• Always equipped with
handlever
• On request: with quick
closing spindle
(1)
Valve Housing
(2)
Seat
(3)
Cone set with stud
(4, 4a) Valve spindle, quick closing
(5)
Base ring
(6)
Gland packing
(7)
Stuffing box
(8)
Screw cap
9.3 Commissioning
Before every commissioning, re-commissioning, repair or conversion,
ensure proper completion of all installation/assembly works and that
valve has correct functioning position.
Check specifications of material, pressure and temperature!
Slightly open shutoff valves with self-closing ball on boiler nozzles containing
•
steam and water counterclockwisely for approximately 5 minutes to prevent
that ball closes valve passage (see fig. 1). Fully open spindle after
accomplished pressure balance (backseat).
Compare function of level gauge and water level height with the other safety
•
fittings.
14
(9)
Sealing ring
(10,10a) Upper part valve
(12)
Ball
(15)
Hand lever
(16)
Sealing ring
(17)
Retaining spring
Advertisement
Table of Contents
