AV-278A Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends, Class-300IBR Approved


  • AV-278A | Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends, Class-300
    Features

    Body Material Cum Standard

    Cast Carbon Steel (ASTM A216 Gr. WCB)

    Product Description

    Rack & Pinion Operated, Supplied with Operating Key

    Type of Seat

    Renewable Seat

    Type of Disc

    Renewable Disc

    Trim

    13% Cr. (SS 410) + Stellited Facing

    End Details

    Flanged Ends as per ASME B16.5 Class-300 Raised Face (Drilled)

    Test Pressure

    Body: 700 Psig (Hyd.)

    Max. Working Pressure

    350 Psig (Steam)

    Max. Working Temperature

    400°C

    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 Body 1 C.C.S ASTM A 216 Gr. WCB
    2 Body Seat Ring 2 Stainless Steel AISI 410 + Stellited
    3, 4 Female Disc, Male Disc 1 Stainless Steel AISI 410 + Stellited
    5 Spring 1 Carbon Steel IBR 307
    6 Gasket 1 SP, WD, SS 304 with Graphoil Filler
    7, 15 Studs & Nuts To Suit Carbon Steel
    8 Rack 1 S.S. / C.A.S. AISI 410 / ASTM A 217 Gr. CA15
    9 Pinion 1 S.S. / C.A.S. AISI 410 / ASTM A 217 Gr. CA15
    10, 14 Bush 1 Bronze IBR 282 (a) Gr. B
    11 Bonnet 1 C.C.S. ASTM A 216 Gr. WCB
    12, 16 Gasket 1 Non Asbestos
    13 Plug 1 Stainless Steel AISI 410
    17 Stuffing Box 1 C.C.S. ASTM A 216 Gr. WCB
    18 Gland Packing Graphoil
    19 Studs & Nuts 2 Each Carbon Steel
    20 Gland Flange 1 C.C.S. ASTM A 216 Gr. WCB
    AV-278A | Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends, Class-300
  • Dimensional Data
    Size (mm) L H ØD FT ØK n Ød ØRFD
    25 203 225 125 15.9 88.9 4 19.1 50.8
    32 242 260 135 17.5 98.4 4 19.1 63.5
    40 267 280 155 19.1 114.3 4 22.3 73
    50 305 312 165 20.7 127 8 19.1 92.1
    65 330 320 190 23.9 149.2 8 22.3 104.8
  • AV-278A | Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends, Class-300
    Product Inquiry
Features

Body Material Cum Standard

Cast Carbon Steel (ASTM A216 Gr. WCB)

Product Description

Rack & Pinion Operated, Supplied with Operating Key

Type of Seat

Renewable Seat

Type of Disc

Renewable Disc

Trim

13% Cr. (SS 410) + Stellited Facing

End Details

Flanged Ends as per ASME B16.5 Class-300 Raised Face (Drilled)

Test Pressure

Body: 700 Psig (Hyd.)

Max. Working Pressure

350 Psig (Steam)

Max. Working Temperature

400°C

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 Body 1 C.C.S ASTM A 216 Gr. WCB
2 Body Seat Ring 2 Stainless Steel AISI 410 + Stellited
3, 4 Female Disc, Male Disc 1 Stainless Steel AISI 410 + Stellited
5 Spring 1 Carbon Steel IBR 307
6 Gasket 1 SP, WD, SS 304 with Graphoil Filler
7, 15 Studs & Nuts To Suit Carbon Steel
8 Rack 1 S.S. / C.A.S. AISI 410 / ASTM A 217 Gr. CA15
9 Pinion 1 S.S. / C.A.S. AISI 410 / ASTM A 217 Gr. CA15
10, 14 Bush 1 Bronze IBR 282 (a) Gr. B
11 Bonnet 1 C.C.S. ASTM A 216 Gr. WCB
12, 16 Gasket 1 Non Asbestos
13 Plug 1 Stainless Steel AISI 410
17 Stuffing Box 1 C.C.S. ASTM A 216 Gr. WCB
18 Gland Packing Graphoil
19 Studs & Nuts 2 Each Carbon Steel
20 Gland Flange 1 C.C.S. ASTM A 216 Gr. WCB
Dimensional Data
Size (mm) L H ØD FT ØK n Ød ØRFD
25 203 225 125 15.9 88.9 4 19.1 50.8
32 242 260 135 17.5 98.4 4 19.1 63.5
40 267 280 155 19.1 114.3 4 22.3 73
50 305 312 165 20.7 127 8 19.1 92.1
65 330 320 190 23.9 149.2 8 22.3 104.8

Selected Product

AV-278A Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends, Class-300

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IBR Approved

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