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API 600 trim table lists typical material combination for gate valve trims showing the material for seating surfaces and internal parts.
- API 600 Trim Table
Information on this table is for reference purpose only and...
- API 600 Trim Table
API 600 Trim Number specifies the seat surface, stem and backseat bushing material and their hardness requirement. API 600 Trim Number are applicable to cast steel gate valves, as well as cast steel globe valves and cast steel check valves. Note: Cr = Chromium; Ni = Nickel; Co = Cobalt; Cu = Copper; NA= Not Applicable.
The following table details standard trim materials available for Gate, globe & check valves†. Including Nominal Seating Surface, Stem and Backseat Bushing or Weld-deposit Materials and Hardness (where applicable).
The removable and replaceable valve internal parts that come in contact with the flow medium are collectively termed as Valve trim. These parts include valve seat(s), disc, glands, spacers, guides, bushings, and internal springs.
9 Μαρ 2013 · EG Valves provide API 600 Valve Trim Chart. We standardized trim materials by assigning a unique number to each set of trim materials.
API Trim Number T rim code Nominal Trim Stem & other trim parts Disc/Wedge Seat surface Trim Material Grade Service 410 F6 F6 (13Cr) (200 HBN) ... Steam, gas & general service to 540ºC. Standard trim for gate valves. 410 - Hard faced F6HFS 410+Hardf. NiCr Alloy (350 HBN min) Monel Monel Monel 400® (NiCu Alloy) Monel 400® (NiCu Alloy) 70Ni-30Cu
Information on this table is for reference purpose only and should be verified against official standard for accuracy as the content have been re-organized for better layout. Differential hardness between the body and gate seating surfaces is per manufacture standard.
