| Flange mounting type | Welding neck Slip-on Socket-weld Ring-joint welding neck
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| Nominal diameter | 25 ~ 600 mm 1" ~ 24"
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| Flange ratings | JIS 10, 20, 30, 40 and 63 K ANSI (or JPI) 150, 300, 600 and 900 Lb RF
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| Flange material | A105, A182-F304, A182-F316, A182-F11, A182-F22 and A350-LF2 | 
| Materials of bolts and nuts | Stud blots : SNB7, A193-B7 and A194-B8 Nuts : S45C, A194-2H and A194-8 Jack bolts and nuts : S25C and A307
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| Gasket | Thickness : 4.5 mm Material : Spiral wound gaskets
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| Piping connection method | ANSI 150 Lb : Insertion welding type (Slip-on type) ANSI 300, 600 Lb : Butt welding type (Welding neck)
 ANSI 900 Lb : Butt welding neck (Ring-joint WN)
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| Differential pressure piping connection | Select referring to the model number construction table | 
| Orifice bore type | Concentric square edged orifice Quadrant edged orifice
 Eccentric orifice
 Segmental orifice
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| Flow claculation standards | ISO 5167-1 and 2 2003 AGA-3 ASME MFC-3M (R.W Miller)
 L.K. Spink JIS Z 8762
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| Plate thickness | 3,6,9 and 12 mm | 
| Tab handle | Welded to orifice plate | 
| Plate material | Standard : 304SS and 316L SS Non-standard : Monel, Hastelloy B/C, Titanium etc.
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| Drain and vent hole | Per ASME recommendations Not drilled for orifice bores smaller than 25.4 mm
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| Markings | Upstream side of tab handle stamped "Upstream" and with bore type and size, line size, tag number and flange rating | 
| Special markings | Special marking may be furnished to meet special requirement | 
| Hersteller |  |