AV-284 Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged EndsIBR Approved


  • AV-284 | Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged Ends
    Features

    Body Material Cum Standard

    Cast Carbon Steel (ASTM A216 Gr. WCB)

    Product Description

    Spring Loaded, High Lift

    Type of Seat

    Renewable Seat

    Type of Disc

    Renewable Disc

    Trim

    13% Cr. (SS 410) + Stellited Facing

    End Details

    Inlet Flanged Ends as per BS-10 Table-H Flat Face (Undrilled), Outlet Flanged Ends as per BS-10 Table-D Flat Face (Undrilled)

    Test Pressure

    Body: 500 Psig (Hyd.)

    Max. Working Pressure

    250 Psig (Steam)

    Max. Working Temperature

    400°C

    Max. Set Pressure

    250 Psig (Steam)

    Notes

    Test Certificate in Form III-C as per IBR is furnished with every supply.


    Suitability

    Water

    Steam

    Gas

    Oil

    Air


  • Material Combination
    S.No Description No. Material Specifications
    1, 3, 4 Cap, Lever, Cover 2 Cast Iron IBR 86 to 93 Gr. A
    2 Cotter 2 Bronze IBR 282 (a) (iv) Gr. B
    5, 12 Gasket 2 C.A.F.
    6 Adjusting Screw 2 Stainless Steel AISI 410
    7 Upper Spring Disc 2 Cast Iron IBR 86 to 93 Gr. A
    8 Spring Chamber 2 Cast Iron IBR 86 to 93 Gr. A
    9 Stem 2 Stainless Steel AISI 410
    10 Lower Spring Disc 2 Cast Iron IBR 86 to 93 Gr. A
    11 Spring 2 Spring Steel IBR 307
    13 Disc 2 Stainless Steel ASTM A 217 Gr. CA15 / ASTM A 276 Type 410 + Stellite
    14, 16 Ring, Regulating Ring 2 Bronze IBR 282 (a) (iv) Gr. B
    15 Screw 2 Carbon Steel
    17 Body 2 Carbon Steel IBR 73 to 80
    18 Body Seat Ring 2 Stainless Steel ASTM A 276 Type 410 + Stellite
    19 Bush 1 Bronze IBR 282 (a) (iv) Gr. B
    20 Bolts & Nuts To Suit Carbon Steel
    AV-284 | Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged Ends
  • Dimensional Data
    Table – H

    Size (mm) CC ØFW ØFD FT
    25 152.4 38.1 139.7 17.5
    40 165 57.2 184.2 19.1
    50 190.5 73 203.2 22.3

    Table – D

    Size (mm) CC ØFW1 FD1 FT1 H
    25 152.4 38.1 133.4 12.7 480
    40 165 63.5 165.1 14.3 565
    50 190.5 76.2 184.2 14.3 630
  • AV-284 | Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged Ends
    Product Inquiry
Features

Body Material Cum Standard

Cast Carbon Steel (ASTM A216 Gr. WCB)

Product Description

Spring Loaded, High Lift

Type of Seat

Renewable Seat

Type of Disc

Renewable Disc

Trim

13% Cr. (SS 410) + Stellited Facing

End Details

Inlet Flanged Ends as per BS-10 Table-H Flat Face (Undrilled), Outlet Flanged Ends as per BS-10 Table-D Flat Face (Undrilled)

Test Pressure

Body: 500 Psig (Hyd.)

Max. Working Pressure

250 Psig (Steam)

Max. Working Temperature

400°C

Max. Set Pressure

250 Psig (Steam)

Notes

Test Certificate in Form III-C as per IBR is furnished with every supply.

Download PDF

Suitability

Water

Steam

Gas

Oil

Air


Material Combination
S.No Description No. Material Specifications
1, 3, 4 Cap, Lever, Cover 2 Cast Iron IBR 86 to 93 Gr. A
2 Cotter 2 Bronze IBR 282 (a) (iv) Gr. B
5, 12 Gasket 2 C.A.F.
6 Adjusting Screw 2 Stainless Steel AISI 410
7 Upper Spring Disc 2 Cast Iron IBR 86 to 93 Gr. A
8 Spring Chamber 2 Cast Iron IBR 86 to 93 Gr. A
9 Stem 2 Stainless Steel AISI 410
10 Lower Spring Disc 2 Cast Iron IBR 86 to 93 Gr. A
11 Spring 2 Spring Steel IBR 307
13 Disc 2 Stainless Steel ASTM A 217 Gr. CA15 / ASTM A 276 Type 410 + Stellite
14, 16 Ring, Regulating Ring 2 Bronze IBR 282 (a) (iv) Gr. B
15 Screw 2 Carbon Steel
17 Body 2 Carbon Steel IBR 73 to 80
18 Body Seat Ring 2 Stainless Steel ASTM A 276 Type 410 + Stellite
19 Bush 1 Bronze IBR 282 (a) (iv) Gr. B
20 Bolts & Nuts To Suit Carbon Steel
Dimensional Data
Table – H

Size (mm) CC ØFW ØFD FT
25 152.4 38.1 139.7 17.5
40 165 57.2 184.2 19.1
50 190.5 73 203.2 22.3

Table – D

Size (mm) CC ØFW1 FD1 FT1 H
25 152.4 38.1 133.4 12.7 480
40 165 63.5 165.1 14.3 565
50 190.5 76.2 184.2 14.3 630

Selected Product

AV-284 Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged Ends

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