Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

AV-263 Cast Iron Pilot Operated Pressure Reducing Valve

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

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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

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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

Download PDF Product Inquiry
AV-263 | Cast Iron Pilot Operated Pressure Reducing Valve

Product Inquiry

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

Download PDF

Suitability

Water

Steam

Gas

Oil

Air

Cast Iron Pilot Operated Pressure Reducing Valve

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

Selected Product

AV-263 Cast Iron Pilot Operated Pressure Reducing Valve

AV-263

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Atam Valves Limited

1051, Outside Industrial Area,
Jalandhar – 144004. Punjab. INDIA

Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com

Atam Valves Limited

1051, Outside Industrial Area,
Jalandhar – 144004. Punjab. INDIA

Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com

All Rights Reserved. Atam Valves Limited

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