AV-271 Cast Carbon Steel Piston Valve, Flanged Ends, PN-40IBR Approved


  • AV-271 | Cast Carbon Steel Piston Valve, Flanged Ends, PN-40
    Features

    Product Standard

    BS EN-13709

    Testing Standard

    BS EN 12266-Part 1

    Pressure / Class Rating

    PN-40

    Body Material Cum Standard

    Cast Carbon Steel (ASTM A216 Gr. WCB)

    Product Description

    Bolted Bonnet, Rising Stem, Handwheel Operated

    Type of Seat

    Renewable Seat

    Type of Disc

    Renewable Piston

    Trim

    Valve Rings: Atam Standard, Spacer & Piston: 13% Cr. (SS 410)

    End Details

    Flanged Ends as per BS EN 1092-1 PN-40 Raised Face (Drilled)

    Test Pressure

    Body: 60 Bar (Hyd.), Seat: 44 Bar (Hyd.)

    Max. Working Temperature

    400°C

    Application Medium

    Super Heated Steam, Condensate, Thermic Fluids, Hydro Carbons, Chemicals

    Notes

    Test Certificate in Form III-C as per IBR is furnished with every supply.
    Balanced piston arrangement is available in sizes 65mm & above, to address high torque.
    Contact for other service applications.


    Suitability

    Water

    Steam

    Gas

    Oil

    Air


  • Material Combination
    S.No Description No. Material Specifications
    1 Body 1 Cast Steel ASTM A 216 Gr. WCB
    2 Lower Valve Ring 1 Atam Standard S.S. Re-inforced Graphite
    3 Spacer 1 Stainless Steel ASTM A 217 Gr. CA 15
    4 Upper Valve Ring 1 Atam Standard S.S. Re-inforced Graphite
    5 Piston* 1 Stainless Steel ASTM A 276 TP 410
    6 Bonnet 1 Cast Steel ASTM A 216 Gr. WCB
    7 Stem Nut 1 Aluminium Bronze BS 1982 Gr. CC 331G
    8 Handwheel 1 Cast Iron / Mild Iron GG 20/FG 200/MI
    9 Handwheel Nut 1 Carbon Steel
    10 Stem 1 Stainless Steel ASTM A 276 TP 410
    11 Nut 4 Carbon Steel ASTM A 194 Gr. 2H
    12 Belleville Washers 4 Carbon Steel
    13 Stud & Nut 4 Alloy Steel & H.T. Steel ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2H
    AV-271 | Cast Carbon Steel Piston Valve, Flanged Ends, PN-40
  • Dimensional Data
    øDN FF H øHW øFD FT RFD RFH øK n ød
    25 160 154 140 115 16 68 2 85 4 14
    40 200 185 200 150 15 88 3 110 4 18
    50 230 210 200 165 17 102 3 125 4 18
    65 290 320 250 185 19 122 3 145 8 18
    80 310 330 250 200 21 138 3 160 8 18
    100 350 390 280 235 21 162 3 190 8 22
  • AV-271 | Cast Carbon Steel Piston Valve, Flanged Ends, PN-40
    Product Inquiry
Features

Product Standard

BS EN-13709

Testing Standard

BS EN 12266-Part 1

Pressure / Class Rating

PN-40

Body Material Cum Standard

Cast Carbon Steel (ASTM A216 Gr. WCB)

Product Description

Bolted Bonnet, Rising Stem, Handwheel Operated

Type of Seat

Renewable Seat

Type of Disc

Renewable Piston

Trim

Valve Rings: Atam Standard, Spacer & Piston: 13% Cr. (SS 410)

End Details

Flanged Ends as per BS EN 1092-1 PN-40 Raised Face (Drilled)

Test Pressure

Body: 60 Bar (Hyd.), Seat: 44 Bar (Hyd.)

Max. Working Temperature

400°C

Application Medium

Super Heated Steam, Condensate, Thermic Fluids, Hydro Carbons, Chemicals

Notes

Test Certificate in Form III-C as per IBR is furnished with every supply.
Balanced piston arrangement is available in sizes 65mm & above, to address high torque.
Contact for other service applications.

Download PDF

Suitability

Water

Steam

Gas

Oil

Air


Material Combination
S.No Description No. Material Specifications
1 Body 1 Cast Steel ASTM A 216 Gr. WCB
2 Lower Valve Ring 1 Atam Standard S.S. Re-inforced Graphite
3 Spacer 1 Stainless Steel ASTM A 217 Gr. CA 15
4 Upper Valve Ring 1 Atam Standard S.S. Re-inforced Graphite
5 Piston* 1 Stainless Steel ASTM A 276 TP 410
6 Bonnet 1 Cast Steel ASTM A 216 Gr. WCB
7 Stem Nut 1 Aluminium Bronze BS 1982 Gr. CC 331G
8 Handwheel 1 Cast Iron / Mild Iron GG 20/FG 200/MI
9 Handwheel Nut 1 Carbon Steel
10 Stem 1 Stainless Steel ASTM A 276 TP 410
11 Nut 4 Carbon Steel ASTM A 194 Gr. 2H
12 Belleville Washers 4 Carbon Steel
13 Stud & Nut 4 Alloy Steel & H.T. Steel ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2H
Dimensional Data
øDN FF H øHW øFD FT RFD RFH øK n ød
25 160 154 140 115 16 68 2 85 4 14
40 200 185 200 150 15 88 3 110 4 18
50 230 210 200 165 17 102 3 125 4 18
65 290 320 250 185 19 122 3 145 8 18
80 310 330 250 200 21 138 3 160 8 18
100 350 390 280 235 21 162 3 190 8 22

Selected Product

AV-271 Cast Carbon Steel Piston Valve, Flanged Ends, PN-40

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