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550
Order example
550 15 D 1 37 5 1 1 G 1 -
Type 550
Nominal size 15
Body configuration (code) D
Connection (code) 1
Valve body material (code) 37
Seat seal (code) 5
Control function (code) 1
Actuator size (code) 1
Flow direction (code) G
Spring set (code) 1
Version (code) -
Version Code
Media temperature -10 to 210 °C (only with seat seal Code 5G and 10) 2023
Special bleed system in the actuator 6996
All special versions only available ex works
Surface finish for valve body material C2
Ra ≤ 0.6 μm (25 μinch) for process contact surfaces, in accordance with ASME BPE SF2 + SF3,
mechanically polished internal 1903
Ra ≤ 0.8 μm (30 μinch) for process contact surfaces, in accordance with DIN 11866 H3,
mechanically polished internal 1904
Ra ≤ 0.4 μm (15 μinch) for process contactsurfaces, in accordance with DIN 11866 H4, ASME BPE SF1,
mechanically polished internal 1909
Ra ≤ 0.6 μm for process contact surfaces, in accordance with ASME BPE SF6,
electropolished internal/external 1953
Ra ≤ 0.8 μm for process contact surfaces, in accordance with DIN 11866 HE3,
electropolished internal/external 1954
Ra ≤ 0.4 μm for process contact surfaces, in accordance with DIN 11866 HE4/ASME BPE SF5,
electropolished internal/external 1959
Version for food contact
For food contact, the product must be ordered with the following ordering options:
Seat seal code 5, 5G
Valve body material code 34, 37, 40, C2
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