Specifications

Ports Full Port
Body Style 3-Piece Body
Size Range 1⁄4“–2″
Temperature Range -20 °F–400 °F
Pressure Ratings 6000 WOG
End Connections Socket Weld
Body Materials S336-LF2: ASTM A350
S336-A105: ASTM A105
Seat Materials Peek
Applications Ideal for Low Temperature Applications
Flo-Tite’s Standard Part Numbers S336-SS-DGG-L
S336-SS-DGG-L

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    Details

    Design Features:

    • Forged steel body construction secures Class 2500/6000 psi working pressure rating.
    • LF2 valve body & end caps for low-temperature applications.
    • Special design of extended socket weld end facilitates heat dissipation during welding. No prior disassembly of valve is required, therefore welding installation process is shortened.
    • Use of body O-ring and body joint gasket double secures NO LEAKAGE.
    • Live-loaded packing gland for self-adjustment of stem packing compression.
    • Rugged lockable lever handles for safety and long service life.
    • Body O-rings are placed ahead of the body cap threads, providing a tight seal and protection of threads from flow media.
    • Gland bolts allow for easy packing adjustment without handle removal.
    • Pressure equalizing seats & bottom-loaded blow-out proof stems.
    • Vented ball equalizes pressure between the body cavity and the flow stream to prevent seat damage due to thermal cycling.
    • Full compliance with ASME/ANSI B16.34 & EN12516-1.
    • Socket weld ends comply with ANSI B16.11 & EN 12760.
    • Tested according to API 598.

    BOM

    Bill of Materials

    No. Parts ST336-LF2 S336-A105 Qty
    1 Body ASTM A350-LF2 ASTM A105 1
    2 SW End Cap ASTM A350-LF2 ASTM A105 1
    3 Seats # PEEK PEEK 2
    4 Gaskets # PTFE PTFE 2
    5 Ball ASTM A351-CF8M/316 ASTM A351-CF8M/316 1
    6 Thrust Washer # PEEK PEEK 1
    7 Stem ASTM A276-316 ASTM A276-316 1
    8 Stem Packings # PTFE PTFE set
    9 Gland AISI 304 AISI 304 1
    10 Handle Carbon Steel Carbon Steel 1
    11 Disc Washer AISI 301 AISI 301 1
    12 Handle Nut Carbon Steel Carbon Steel 1
    13 Gland Flange Carbon Steel Carbon Steel 1
    14 Gland Bolts AISI 304 AISI 304 2
    15 Body O-Rings # VITON VITON 2
    16 Stem O-Ring # VITON VITON 1
    17 NPT End Cap ASTM A352-LCC ASTM A216-WCB 1
    18 Anti-Static Stainless Steel Stainless Steel 1

     

    # Parts included in the repair kit

    Dims & Weights

    Dimensions and Weights

    Size D E G H L M W X Torque
    In-Lb
    in DN in mm in mm in mm in mm in mm in mm in mm
    1⁄4” 8 0.37 9.5 0.56 14.2 1.42 36 3.15 80 3.96 101 M5 6.30 160 0.39 10 283
    3⁄8” 10 0.37 9.5 0.69 17.6 1.42 36 3.15 80 3.96 101 M5 6.30 160 0.39 10 283
    1⁄2” 15 0.49 12.5 0.86 21.8 1.42 36 3.15 80 4.17 106 M5 6.30 160 0.39 10 339
    3⁄4” 20 0.79 20 1.07 27.2 1.42 36 3.90 99 5.12 130 M5 7.87 200 0.51 13 705
    1” 25 0.98 25 1.33 33.9 1.42 36 4.09 104 5.59 142 M5 7.87 200 0.51 13 1137
    11⁄2” 40 1.50 38 1.92 48.8 1.97 50 5.03 128 6.73 171 M6 9.84 250 0.51 13 2417
    2” 50 1.50 38 2.41 61.2 1.97 50 5.03 128 7.09 180 M6 9.84 250 0.64 16.2 2550

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