FT44-21 SPIRAX SARCO Flange Trap
delivery time：15 days
Description
The FT44 is a carbon steel bodied ball float steam trap having stainless steel working internals and automatic air venting facility. The
body and cover castings are produced by a TÜV approved foundry. The trap is supplied with integrally flanged connections and can be
maintained without disturbing the pipework. Vertical flanged connections, designated FT44V, are available for all sizes. Flow direction for
the horizontal trap is clearly illustrated above. For vertically orientated traps the flow is downwards only.
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Available options:
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FT44 – Horizontal flow
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FT44V – Vertical flow
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Capsule
The BP99/32 capsule which is used in the FT44 is suitable for use on 150°C superheat @ 0 bar g and 50°C superheat @ 32 bar g.
Optional extras
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A manually adjustable needle valve (designated 'C' on the nomenclature i.e. FT44-C) can be ftted to the FT44 horizontal version only.
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This option provides a steam lock release (SLR) feature in addition to the standard air vent. For further information please consult
Spirax Sarco.
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The top of the cover can be drilled and tapped " BSP or NPT for the purpose of ftting a balance line if requested at the point of order.
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The bottom of the cover can be drilled and tapped " BSP or NPT for the purpose of ftting a drain cock if requested at the point of order.
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Standards
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This product fully complies with the requirements of the European Pressure Equipment Directive 97 / 23 / EC and carries the
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mark
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when so required.
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Certification
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This product is available with certifcation to EN 10204 3.1. Note: All certifcation / inspection requirements must be stated at the time of
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order placement.
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Sizes and pipe connections
DN15, DN20, DN25, DN40 and DN50.
Horizontal traps: Note the flow direction when facing the body: - DN15 to DN25 is left to right. - DN40 and DN50 is right to left.
Standard flanges are EN 1092 PN40 with face-to-face dimensions in accordance with EN 26554 (Series 1), ASME B 16.5 Class 150,
ASME B 16.5 Class 300 and JIS /KS 20 flanges are also available with extended face-to-face dimensions.
Vertical traps: Note that the flow direction is vertically downwards only.
Standard flanges are EN 1092 PN40 with face-to-face dimensions in accordance with EN 26554 (Series 1). ASME B 16.5 Class 150,
ASME B 16.5 Class 300 and JIS/KS 20 are also available with face-to-face dimensions in accordance with EN 26554 (Series 1).
ASME / JIS / KS flanges are supplied with tapped holes to receive flange bolts. ASME flanges have UNC threads and JIS / KS have metric
threads.
Materials
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No.
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Part
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Material
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1
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Body
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Carbon steel
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1.0619+N / WCB
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Cover studs
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Steel
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BS 4882 B7M
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2
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Cover nuts
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DN15, DN20 and DN25
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Steel
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EN 10269 25 Cr Mo 4
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DN40 and DN50
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Steel
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BS 3692 Gr. 8
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3
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Cover gasket
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Reinforced exfoliated graphite
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4
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Cover
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Carbon steel
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1.0619+N / WCB
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5
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Valve seat
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DN15, DN20 and DN25
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Stainless steel
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BS 970 431 S29
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Main valve assembly with erosion deflector
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DN40 and DN50
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Stainless steel
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BS 3146 Pt2 ANC2
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BS 970 416 S37
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Valve seat gasket
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DN15, DN20 and DN25
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Stainless steel
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BS 1449 304 S11
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6
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Main valve assembly gasket
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DN40 and DN50
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Reinforced exfoliated graphite
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7
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Pivot frame assembly screws
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DN15, DN20 and DN25
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Stainless steel
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BS 4183 18/8
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Main valve assembly
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Bolts
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DN40
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Stainless steel
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BS 970 302 S25
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Studs and nuts
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DN50
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Stainless steel
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BS 970 431 S29
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8
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Ball float and lever
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Stainless steel
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BS 1449 304 S16
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9
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Support frame
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DN15, DN20 and DN25
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Stainless steel
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BS 1449 304 S16
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10
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Pivot frame
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DN15, DN20 and DN25
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Stainless steel
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BS 1449 304 S16
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11
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Pivot pin
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DN15, DN20 and DN25
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Stainless steel
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12
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Erosion deflector
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Stainless steel
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BS 970 431 S29
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17
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Air vent assembly
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Stainless steel
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18
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Air vent seat gasket
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Stainless steel
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BS 1449 409 S19
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19
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SLR assembly
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Stainless steel
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BS 970 303 S31
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20
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SLR gasket
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Steel
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BS 1449 CS4
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21
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SLR seal
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Graphite
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26
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Inlet plate
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DN40 and DN50 only
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Stainless steel
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BS 1449 304 S16
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Body design conditions
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PN40
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PMA
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Maximum allowable pressure
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40 bar g @ 100°C
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TMA
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Maximum allowable temperature
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300°C @ 27.5 bar g
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Minimum allowable temperature
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-10°C
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PMO
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Maximum operating pressure for saturated steam service
Note: The DN40 and DN50 traps are limited to a PMO equal to DPMX
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32 bar g @ 239°C
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TMO
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Maximum operating temperature
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285°C @ 28.5 bar g
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Minimum operating temperature
Note: For lower operating temperatures consult Spirax Sarco
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0°C
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DPMX
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Maximum differential pressure
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Size
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DN15, DN20, DN25
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DN40, DN50
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FT44-4.5
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4.5 bar
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4.5 bar
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FT44-10
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10 bar
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10 bar
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FT44-14
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14 bar
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-
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FT44-21
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21 bar
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21 bar
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FT44-32
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32 bar
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32 bar
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Designed for a maximum cold hydraulic test pressure:
Note: With internals fitted, test pressure must not exceed DPMX
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60 bar g
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Caution: The trap in its complete operational form must not be subjected to a pressure greater than 48 bar otherwise damage to the
internal mechanism may result.
Dimensions/weights (approximate) in mm and kg
Notes:
1. Dimensions in brackets relate to vertical connections only.
2. PN40 face-to-face dimensions are in accordance with EN 26554 (Series 1).
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Size
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PN40
A (A)
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ASME 300
A (A)
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ASME 150
A (A)
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JIS/KS 20K
A (A)
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B
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C
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D
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E
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F
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Weight
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DN15
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150 (150)
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209 (150)
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203 (150)
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206 (150)
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80
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80
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215
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120
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155
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10.8
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DN20
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150 (150)
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209 (150)
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205 (150)
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210 (150)
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80
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80
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225
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120
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165
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10.8
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DN25
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160 (160)
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212 (160)
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208 (160)
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210 (160)
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115
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85
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282
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170
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215
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15.0
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DN40
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230 (230)
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327 (230)
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321 (230)
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322 (230)
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130
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115
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337
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200
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200
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33.0
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DN50
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230 (230)
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320 (230)
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313 (230)
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311 (230)
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141
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123
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347
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200
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225
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34.0
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