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12. Drain valve
12.1 Construction
AV500, AV520
• Male thread G½" on
input side
• Output side with cutting
ring connection ø12 as per
DIN 2353 – DS12
• Other drain connections on
request
AV580, AV585
• Male thread G½" on
input side
• Output side with cutting
ring connection ø12 as per
DIN 2353 – DS12
• With limit switch to register
the blow-down process
• Other drain connections on
request
(1)
Valve housing
(2)
Sealing ring
(3)
Seat
(4)
Valve spindle with cone
(5)
Scraper rings
(6)
Gland packing
(7)
Stuffing box
(8)
Screw cap
(9)
Sealing ring
(10)
Upper part of valve
(11)
Handwheel
(12)
Plate OPEN-CLOSED
(13)
Cap nut
(14)
Drain connection
(15)
Screw
(16)
Switch housing cover
(17)
Limit switch
(18)
Fixing screw
(19)
Counter nut
(20)
Adjusting screw
21
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