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Jul. 15, 2011
Jul. 15, 2011
Jul. 15, 2011
X. Operating Principles
X. Werkingsprincipes
X. Operating Principles
X. Operating Principles
The 1700-S series Maxiflow valve operates during closing
De 1700-S-serie Maxiflow-kleppen werken tijdens de
on a back pressure principle, that is, the force of trapped
The 1700-S series Maxiflow valve operates during closing
The 1700-S series Maxiflow valve operates during closing
sluiting op een principe van tegendruk. Dit betekent
steam on the upper side of the disc holder is utilized to
on a back pressure principle, that is, the force of trapped
on a back pressure principle, that is, the force of trapped
dat de kracht die gevormd wordt door de opgesloten
assist the spring in forcing the disc back down onto its
steam on the upper side of the disc holder is utilized to
steam on the upper side of the disc holder is utilized to
stoom op de bovenzijde van de schijfhouder gebruikt
seat.
assist the spring in forcing the disc back down onto its
wordt om de veer te helpen de schijf terug naar zijn
assist the spring in forcing the disc back down onto its
seat.
plaats te forceren.
seat.
In Figure 6, 100% lift is attained by proper location of the
upper and lower adjusting rings (G) and (O), respectively.
In Figure 6, 100% lift is attained by proper location of the
In afbeelding 6 wordt een lift van 100% verkregen
In Figure 6, 100% lift is attained by proper location of the
When full lift is attained, as in Figure 7, lift stop (M) rests
upper and lower adjusting rings (G) and (O), respectively.
door de correcte locatie van respectievelijk de
upper and lower adjusting rings (G) and (O), respectively.
against coverplate (P) to eliminate hunting, thus adding
When full lift is attained, as in Figure 7, lift stop (M) rests
bovenste en onderste afstelringen (G) en (O). Als
When full lift is attained, as in Figure 7, lift stop (M) rests
stability to the valve. When the valve discharges in an
een volledige lift verkregen is, zoals afbeelding 7
against coverplate (P) to eliminate hunting, thus adding
against coverplate (P) to eliminate hunting, thus adding
toont, rust de liftstop (M) tegen de dekplaat (P) om
open position, steam is bled into chamber (H) through
stability to the valve. When the valve discharges in an
stability to the valve. When the valve discharges in an
slingeren te voorkomen en de klep stabiel te houden.
open position, steam is bled into chamber (H) through
open position, steam is bled into chamber (H) through
Als de klep in een geopende positie ontlast wordt,
R
N
R
N
N
R
H
H
H
P
P
P
J
J
J
Figure 6: 100% Lift
Afbeelding 6: 100% lift
Figure 6: 100% Lift
Figure 6: 100% Lift
When closing, as in Figure 8, the spindle overlap collar (K)
Tijdens het sluiten, zoals in afbeelding 8, wordt
is adjusted so that it moves down into the floating washer
When closing, as in Figure 8, the spindle overlap collar (K)
When closing, as in Figure 8, the spindle overlap collar (K)
de spindeloverlapkraag (K) afgesteld zodat deze
(L), thereby effectively reducing the escape of steam from
is adjusted so that it moves down into the floating washer
is adjusted so that it moves down into the floating washer
omlaag beweegt in de zwevende sluitring (L) en
chamber (H).
(L), thereby effectively reducing the escape of steam from
(L), thereby effectively reducing the escape of steam from
de ontsnappende stoom uit kamer (H) daardoor
chamber (H).
The resulting momentary pressure building-up in
chamber (H).
daadwerkelijk verkleint.
chamber (H), at a rate controlled by orifice (N), produces
The resulting momentary pressure building-up in
The resulting momentary pressure building-up in
De resulterende tijdelijke drukopbouw in kamer (H)
a downward thrust in the direction of spring loading.
chamber (H), at a rate controlled by orifice (N), produces
chamber (H), at a rate controlled by orifice (N), produces
bij een snelheid die geregeld wordt door opening (N)
The combined thrust of the pressure and spring loading
a downward thrust in the direction of spring loading.
a downward thrust in the direction of spring loading.
produceert een neerwaartse duwkracht in de richting
results in positive and precise closing. Cushioning of the
The combined thrust of the pressure and spring loading
The combined thrust of the pressure and spring loading
van de veerbelasting. De gecombineerde duwkracht
closing is controlled by the lower adjusting ring (O).
results in positive and precise closing. Cushioning of the
results in positive and precise closing. Cushioning of the
van de druk en de veerspanning resulteert in een
closing is controlled by the lower adjusting ring (O).
closing is controlled by the lower adjusting ring (O).
positieve en precieze sluiting. De demping van de
sluiting wordt geregeld door de onderste afstelring
(O).
14 | Dresser Consolidated
®
Auteursrecht 2023 Baker Hughes Company. Alle rechten voorbehouden.
14 | Dresser Consolidated
®
14 | Dresser Consolidated
®
two bleed holes (J) in the roof of the disc holder. Similarly,
wordt stoom in de kamer (H) geblazen via de twee
the spindle overlap collar (K) rises to a fixed position
two bleed holes (J) in the roof of the disc holder. Similarly,
two bleed holes (J) in the roof of the disc holder. Similarly,
ontluchtingsgaten (J) in het dak van de schijfhouder.
above the floating washer (L). The area between the
the spindle overlap collar (K) rises to a fixed position
the spindle overlap collar (K) rises to a fixed position
Op gelijkaardige wijze gaat de overlapkraag van de
floating washer and the spindle is thereby increased by
above the floating washer (L). The area between the
above the floating washer (L). The area between the
spindel (K) omhoog naar een vaste positie boven
the difference in the two diameters on the overlap collar.
floating washer and the spindle is thereby increased by
de zwevende sluitring (L). Het gebied tussen de
floating washer and the spindle is thereby increased by
the difference in the two diameters on the overlap collar.
zwevende sluitring en de spindel wordt daardoor
Under this condition, steam in chamber (H) enters into
the difference in the two diameters on the overlap collar.
vergroot met het verschil tussen de twee diameters
chamber (Q) through the secondary area formed by
Under this condition, steam in chamber (H) enters into
Under this condition, steam in chamber (H) enters into
op de overlapkraag. In deze situatie gaat de stoom
the floating washer (L) and the overlap collar (K) on
chamber (Q) through the secondary area formed by
chamber (Q) through the secondary area formed by
in kamer (H) kamer (Q) binnen via het secundaire
the spindle, then through orifice (N), and escapes to
the floating washer (L) and the overlap collar (K) on
the floating washer (L) and the overlap collar (K) on
gebied dat gevormd wordt door zwevende sluitring
atmosphere through the pipe discharge connection (R).
the spindle, then through orifice (N), and escapes to
(L) en de overlapkraag (K) op de spindel en stroomt
the spindle, then through orifice (N), and escapes to
atmosphere through the pipe discharge connection (R).
deze vervolgens door opening (N) en ontsnapt in de
atmosphere through the pipe discharge connection (R).
atmosfeer via de verbinding van de afvoerleiding (R).
R
R
K
R
K
K
Q
Q
Q
L
L
L
H
H
H
M
M
P
M
G
P
P
G
G
O
J
O
O
J
J
Afbeelding 7: Volledige lift
N
N
N
R
R
R
H
H
H
P
P
P
J
J
J
Afbeelding 8: wordt gesloten
Instructiehandleiding voor de Consolidated 1700-serie Maxiflow-veiligheidskleppen | 17
N
N
N
Figure 7: Full Lift
Figure 7: Full Lift
Figure 7: Full Lift
Figure 8: Closing
Figure 8: Closing
Figure 8: Closing
K
K
K
Q
Q
Q
L
L
L
M
M
M
G
G
G
O
O
O
K
K
Q
K
Q
L
Q
L
L
M
M
M
G
G
G
O
O
O
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