AV-221 Bronze Parallel Slide Blow Off Valve (Flanged Ends)IBR Approved


  • AV-221 | Bronze Parallel Slide Blow Off Valve (Flanged Ends)
    Features

    Rack and Pinion Operated with Seat, Supplied with Operating Key
    Flanged ends to BS 10, Table-H

    Test Pressure
    Body : 500 Psig (Hyd.)
    Working Pressure : 250 Psig (Steam)
    Max. Working Temp. : 225°C


    Suitability

    Water

    Steam

    Gas

    Oil

    Air


  • Material Combination
    P.No. Name of Part Material Specification Nos.
    1 Bonnet Bronze IBR 282 (a) (iv) Gr.B 1
    2 Rack C.S.S ASTM A217 Gr. CA15 1
    3 Studs and Nuts Carbon Steel
    4 Body Bronze IBR 282 (a) (iv) Gr.B 1
    5 Gasket Non Asbestos 1
    6 Body Seat Ring Stainless Steel AISI-410 + Stellited 2
    7 Male Disc Stainless Steel AISI-410 + Stellited 1
    8 Female Disc Stainless Steel AISI-410 + Stellited 1
    9 Spring Spring Steel 1
    10 Pinion C.S.S ASTM A217 Gr. CA15 1
    11 Studs and Nuts Carbon Steel 2
    12 Gland Flange S.G Iron EN 1563 Gr. GJS-40-15 1
    13 Gland Packing Non Asbestos
    14 Stuffing Box S.G Iron EN 1563 Gr. GJS-40-15 1
    15 Gasket Non Asbestos 1
    AV-221 | Bronze Parallel Slide Blow Off Valve (Flanged Ends)
  • Dimensional Data
    Nominal Size (mm) FF ±2 H Øb ØFD FT k n Ød
    25 167 142 25 4.3/4″ 7/16″ 3.7/16″ 4 11/16″
    32 173 158 32 5.1/4″ 7/16″ 3.7/8″ 4 11/16″
    40 190 205 38 5.1/2″ 1/2″ 4.1/8″ 4 11/16″
    50 206 227 50 6.1/2″ 1/2″ 5″ 4 11/16″
    65 228 270 63.5 7.1/4″ 9/16″ 5.3/4″ 8 11/16″
    80 254 312 76.2 8 5/8″ 6.1/2″ 8 11/16″

    k – P.C.D; n – Number of Holes;  Ød – Diameter of Holes

  • AV-221 | Bronze Parallel Slide Blow Off Valve (Flanged Ends)
    Product Inquiry
Features

Rack and Pinion Operated with Seat, Supplied with Operating Key
Flanged ends to BS 10, Table-H

Test Pressure
Body : 500 Psig (Hyd.)
Working Pressure : 250 Psig (Steam)
Max. Working Temp. : 225°C

Download PDF

Suitability

Water

Steam

Gas

Oil

Air


Material Combination
P.No. Name of Part Material Specification Nos.
1 Bonnet Bronze IBR 282 (a) (iv) Gr.B 1
2 Rack C.S.S ASTM A217 Gr. CA15 1
3 Studs and Nuts Carbon Steel
4 Body Bronze IBR 282 (a) (iv) Gr.B 1
5 Gasket Non Asbestos 1
6 Body Seat Ring Stainless Steel AISI-410 + Stellited 2
7 Male Disc Stainless Steel AISI-410 + Stellited 1
8 Female Disc Stainless Steel AISI-410 + Stellited 1
9 Spring Spring Steel 1
10 Pinion C.S.S ASTM A217 Gr. CA15 1
11 Studs and Nuts Carbon Steel 2
12 Gland Flange S.G Iron EN 1563 Gr. GJS-40-15 1
13 Gland Packing Non Asbestos
14 Stuffing Box S.G Iron EN 1563 Gr. GJS-40-15 1
15 Gasket Non Asbestos 1
Dimensional Data
Nominal Size (mm) FF ±2 H Øb ØFD FT k n Ød
25 167 142 25 4.3/4″ 7/16″ 3.7/16″ 4 11/16″
32 173 158 32 5.1/4″ 7/16″ 3.7/8″ 4 11/16″
40 190 205 38 5.1/2″ 1/2″ 4.1/8″ 4 11/16″
50 206 227 50 6.1/2″ 1/2″ 5″ 4 11/16″
65 228 270 63.5 7.1/4″ 9/16″ 5.3/4″ 8 11/16″
80 254 312 76.2 8 5/8″ 6.1/2″ 8 11/16″

k – P.C.D; n – Number of Holes;  Ød – Diameter of Holes

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AV-221 Bronze Parallel Slide Blow Off Valve (Flanged Ends)

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IBR Approved

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