AV-263 Cast Iron Pilot Operated Pressure Reducing ValveIBR Approved


  • AV-263 | Cast Iron Pilot Operated Pressure Reducing Valve
    Features

    With Stainless Steel working part, Renewable Seat
    Flanged Ends as per BS-10, Table F

    Test Pressure
    Body : 300 Psig (Hyd.)
    Max working pressure : 150 Psig (Steam)
    Max. working temp. : 220°C


    Suitability

    Water

    Steam

    Gas

    Oil

    Air


  • Material Combination
    P.No. Name of Part Material Specification Nos.
    1 Adjusting Screw Carbon Steel 1
    2 Locking Nut Carbon Steel 1
    3 Spring Housing S.G.I. EN 1563 Gr. GJS – 400-15 1
    4 Spring Top Disc Stainless Steel AISI 410 1
    5 Pressure Adjusting Spring Stainless Steel AISI 304 1
    6 Spring Bottom Disc Stainless Steel AISI 410 1
    7 Diaphragm Stainless Steel AISI 304 1
    8 Side Plug Stainless Steel AISI 410 1
    9 Pilot Value Body Stainless Steel AISI 304 1
    10 Ball Stainless Steel AISI 304 1
    11 Pilot Valve Spring Retaining Check Nut Stainless Steel AISI 304 1
    12 Main Valve Disc Stainless Steel AISI 410 + STELLITE 1
    13 Body Seat Ring Stainless Steel AISI 410 + STELLITE 1
    14 Push Rod Guide Sleeve Stainless Steel AISI 410 1
    15 Main Valve Body Cast Iron IBR 86 TO 93 Gr. A 1
    16 Main Diaphragm Disc Gun Metal / Stainless Steel IBR 282 (a) (iv) Gr.B / AISI 410 1
    17 Half Upper Cover Cast Iron IBR 86 TO 93 Gr. A 1
    18 Half Lower Cover Cast Iron IBR 86 TO 93 Gr. A 1
    19 Bolts & Nuts Carbon Steel
    20 Diaphragm Stainless Steel AISI 304 1
    21 Gasket C.A.F. IS 2712 1
    22 Push Rod Lock Nut Stainless Steel AISI 410 1
    23 Gasket C.A.F. IS 2712 1
    24 Strainer Screen Stainless Steel AISI 304 1
    25 Gasket C.A.F. 1
    26 By Pass Assy.
    27 Studs & Nuts Carbon Steel To Suit
    28 Studs & Nuts Carbon Steel To Suit
    AV-263 | Cast Iron Pilot Operated Pressure Reducing Valve
  • Dimensional Data
    Nominal Size (mm) FF ±2 H ØFD FT k n Ød Weight (Kgs.)
    25 165 215 120.7 12.7 87.3 4 17.5 18.200
    40 203 245 139.7 15.9 104.8 4 17.5 28.350
    50 248 295 165.1 19.1 127 4 17.5 38.000

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

  • AV-263 | Cast Iron Pilot Operated Pressure Reducing Valve
    Product Inquiry
Features

With Stainless Steel working part, Renewable Seat
Flanged Ends as per BS-10, Table F

Test Pressure
Body : 300 Psig (Hyd.)
Max working pressure : 150 Psig (Steam)
Max. working temp. : 220°C

Download PDF

Suitability

Water

Steam

Gas

Oil

Air


Material Combination
P.No. Name of Part Material Specification Nos.
1 Adjusting Screw Carbon Steel 1
2 Locking Nut Carbon Steel 1
3 Spring Housing S.G.I. EN 1563 Gr. GJS – 400-15 1
4 Spring Top Disc Stainless Steel AISI 410 1
5 Pressure Adjusting Spring Stainless Steel AISI 304 1
6 Spring Bottom Disc Stainless Steel AISI 410 1
7 Diaphragm Stainless Steel AISI 304 1
8 Side Plug Stainless Steel AISI 410 1
9 Pilot Value Body Stainless Steel AISI 304 1
10 Ball Stainless Steel AISI 304 1
11 Pilot Valve Spring Retaining Check Nut Stainless Steel AISI 304 1
12 Main Valve Disc Stainless Steel AISI 410 + STELLITE 1
13 Body Seat Ring Stainless Steel AISI 410 + STELLITE 1
14 Push Rod Guide Sleeve Stainless Steel AISI 410 1
15 Main Valve Body Cast Iron IBR 86 TO 93 Gr. A 1
16 Main Diaphragm Disc Gun Metal / Stainless Steel IBR 282 (a) (iv) Gr.B / AISI 410 1
17 Half Upper Cover Cast Iron IBR 86 TO 93 Gr. A 1
18 Half Lower Cover Cast Iron IBR 86 TO 93 Gr. A 1
19 Bolts & Nuts Carbon Steel
20 Diaphragm Stainless Steel AISI 304 1
21 Gasket C.A.F. IS 2712 1
22 Push Rod Lock Nut Stainless Steel AISI 410 1
23 Gasket C.A.F. IS 2712 1
24 Strainer Screen Stainless Steel AISI 304 1
25 Gasket C.A.F. 1
26 By Pass Assy.
27 Studs & Nuts Carbon Steel To Suit
28 Studs & Nuts Carbon Steel To Suit
Dimensional Data
Nominal Size (mm) FF ±2 H ØFD FT k n Ød Weight (Kgs.)
25 165 215 120.7 12.7 87.3 4 17.5 18.200
40 203 245 139.7 15.9 104.8 4 17.5 28.350
50 248 295 165.1 19.1 127 4 17.5 38.000

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

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AV-263 Cast Iron Pilot Operated Pressure Reducing Valve

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