Overboard Valve Straight SDNR Outside Spring Loaded

Dikkan Figure 15.259.SD Overboard Valve

  • Cast Steel
  • Bronze
  • Straight Type

Overboard Valve Straight SDNR Outside Spring Loaded - Technical Specifications
DesignBody: DIN 86252 SDNR Type (DIN 3356), bonnet: spring loaded
Face to faceEN 558 Series 1 (DIN 3202 F1)
Flange dimensionDIN Flanges acc. to EN 1092-1/B (DIN 2501)
OptionsIndicator, crank operation, blocks, higher set pressure, inside spring
Flange optionsSpecial flange drilling acc. to ANSI or JIS
  • Cast Steel Dikkan spring loaded overboard discharge valves are mainly used aboard ships in pressurised water and liquid for overboard discharge. Adjustable opening pressure is set to 0.1 - 0.5 bar. In standard equipped with Handwheel.TYPE APPROVED.
  • Application: Cooling water and bilge water systems.

Overboard Valve Straight SDNR Outside Spring Loaded - Pressure & Temperature Ranges
  Working Pressure [bar]Hydro Test Pressure [bar]
BorePressure Rating120 ℃180 ℃CasingClosure
DN 15 - DN 200PN1616102417.6
DN 250 - DN 300PN101061511
DN 350PN 66496.6
DN 400 - DN 500PN 44264.4

Overboard Valve Straight SDNR Outside Spring Loaded - Material Properties
Part No.ComponentMaterial  
1BodyGP240GH1.0619GSC25
2BonnetGP240GH1.0619GSC25
3SeatsCuSn5Zn5Pb5-CCC491KRG5
4Disc (<=65)CuSn5Zn5Pb5-CCC491KRG5
4Disc (>=80)GP240GH1.0619GSC25
5StemCuZn35Ni3Mn2AlPbCW710RSom59
6ColumnsX20Cr131.4021AISI420
7SpingSteelSteelSteel
8Bolts, NutsSteelSteelSteel
9Bonnet GasketGraphiteGraphiteGraphite
10Gland PackingGraphiteGraphiteGraphite
11HandwheelEN-GJL250EN-JL 1040GG25

Overboard Valve Straight SDNR Outside Spring Loaded - Dimensions & Order Codes
DN
[mm]
Flange
Connection
ØD
[mm]
L
[mm]
H
[mm]
ØR
[mm]
Weight
[kg]
IMPA
Code
Dikkan
Ordering Code
15PN16951302511204,5-15.259.SD.PN16.015
20PN161051502511205-15.259.SD.PN16.020
25PN161151602651406-15.259.SD.PN16.025
32PN161401802801408-15.259.SD.PN16.032
40PN1615020035016013-15.259.SD.PN16.040
50PN1616523037316015-15.259.SD.PN16.050
65PN1618529040018021-15.259.SD.PN16.065
80PN1620031049020027-15.259.SD.PN16.080
100PN1622035052222540-15.259.SD.PN16.100
125PN1625040061825060-15.259.SD.PN16.125
150PN1628548075030087-15.259.SD.PN16.150
175PN16315550800400125-15.259.SD.PN16.175
200PN16340600810400150-15.259.SD.PN16.200
200PN10340600810400150-15.259.SD.PN10.200
250PN10395730950520230-15.259.SD.PN10.250
300PN104458501007520315-15.259.SD.PN10.300
350PN105059801000640435-15.259.SD.PN6.10.350
400PN1056511001105640570-15.259.SD.PN4.10.400
450PN1061512001200640720-15.259.SD.PN4.10.450
500PN1067012501260640880-15.259.SD.PN4.10.500

Product CodeFlangeWP/OD/FLDN
D0015259XDPPP00703500000PN10PN6/10/10350
D0015259XDPPP18104000000PN10PN4/10/10400
D0015259XDPPP18104500000PN10PN4/10/10450
D0015259XDPPP18105000000PN10PN4/10/10500
D0015259XDPPP18302500000PN10PN10/10/10250
D0015259XDPPP18303000000PN10PN6/10/10300
D0015259XDPPP18400150000PN16PN16/16/1615
D0015259XDPPP18400200000PN16PN16/16/1620
D0015259XDPPP18400250000PN16PN16/16/1625
D0015259XDPPP18400320000PN16PN16/16/1632
D0015259XDPPP18400400000PN16PN16/16/1640
D0015259XDPPP18400500000PN16PN16/16/1650
D0015259XDPPP18400650000PN16PN16/16/1665
D0015259XDPPP18400800000PN16PN16/16/1680
D0015259XDPPP18401000000PN16PN16/16/16100
D0015259XDPPP18401250000PN16PN16/16/16125
D0015259XDPPP18401500000PN16PN16/16/16150
D0015259XDPPP18401750000PN16PN16/16/16175
D0015259XDPPP18402000000PN10PN10/10/10200