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Valves, Fittings & Boiler Mountings

AV-283 C.C.S. Single Post Hi-Lift Safety Valve

AV-283 | C.C.S. Single Post Hi-Lift Safety Valve

Features

High Lift with Stainless Steel Steam, Spring Loaded, Right Angle Pattern, High Lift, Renewable Seat & Disc
Inlet Flange to BS-10 Table-H F/F (Undrilled), Outlet Flanged to BS-10 Table-D FF (Undrilled)

Test Pressure
Body : 500 Psi g (Hyd.)
Max. Set Pressure : 250 Psi g
Max. Working Temp. : 400°C

Suitability

Water

Steam

Gas

Oil

Air

Download PDF Product Inquiry

Material Combination

P.No.	Name of Part	Material	Specification	Nos.
1	Cap	Cast Iron	IBR 86 to 93 Gr.A	1
2	Cotter	Bronze	IBR 282 (a) (iv) Gr.B	1
3	Lever	Cast Iron	IBR 86 to 93 Gr.A	1
4	Adjusting Screw	Stainless Steel	AISI 410	1
5	Cover	Cast Iron	IBR 86 to 93 Gr.A	1
6	Gasket	C.A.F	–	1
7	Upper Spring Disc	Cast Iron	IBR 86 to 93 Gr.A	1
8	Spring Chamber	Cast Iron	IBR 86 to 93 Gr.A	1
9	Stem	Stainless Steel	ASTM A276 Type 410	1
10	Lower Spring Disc	Cast Iron	IBR 86 to 93 Gr.A	1
11	Bush	Bronze	IBR 282 (a) (iv) Gr.B	1
12	Spring	Carbon Steel	IBR 307 TO 314	1
13	Bolts and Nuts	Carbon Steel	–	–
14	Disc	Stainless Steel	ASTM A217 Gr. CA15 / ASTM A276 Type 410 + Stellite	1
15	Ring	Bronze	IBR 282 (a) (iv) Gr.B	1
16	Screw	Carbon Steel	–	1
17	Body Seat Ring	Stainless Steel	ASTM A276 Type 410 + Stellite	1
18	Body	Cast Carbon Steel	IBR 73 TO 80	1
19	Adjusting Ring	Bronze	IBR 282 (a) (iv) Gr.B	1

Download PDF Product Inquiry

Dimensional Data

Nominal Size (mm) CF ±1.5 CF1 ±1.5 ØFD FT ØFD1 FT1 H

25 108 89 120.7 14.3 114.3 9.5 455

40 121 102 139.7 17.5 133.4 12.7 525

50 140 121 165.1 19.1 152.4 14.3 580

Download PDF Product Inquiry
AV-283 | C.C.S. Single Post Hi-Lift Safety Valve

Product Inquiry

Nominal Size (mm)	CF ±1.5	CF1 ±1.5	ØFD	FT	ØFD1	FT1	H
25	108	89	120.7	14.3	114.3	9.5	455
40	121	102	139.7	17.5	133.4	12.7	525
50	140	121	165.1	19.1	152.4	14.3	580

Features

High Lift with Stainless Steel Steam, Spring Loaded, Right Angle Pattern, High Lift, Renewable Seat & Disc
Inlet Flange to BS-10 Table-H F/F (Undrilled), Outlet Flanged to BS-10 Table-D FF (Undrilled)

Test Pressure
Body : 500 Psi g (Hyd.)
Max. Set Pressure : 250 Psi g
Max. Working Temp. : 400°C

Download PDF

Suitability

Water

Steam

Gas

Oil

Air

Material Combination

P.No. Name of Part Material Specification Nos.

1 Cap Cast Iron IBR 86 to 93 Gr.A 1

2 Cotter Bronze IBR 282 (a) (iv) Gr.B 1

3 Lever Cast Iron IBR 86 to 93 Gr.A 1

4 Adjusting Screw Stainless Steel AISI 410 1

5 Cover Cast Iron IBR 86 to 93 Gr.A 1

6 Gasket C.A.F – 1

7 Upper Spring Disc Cast Iron IBR 86 to 93 Gr.A 1

8 Spring Chamber Cast Iron IBR 86 to 93 Gr.A 1

9 Stem Stainless Steel ASTM A276 Type 410 1

10 Lower Spring Disc Cast Iron IBR 86 to 93 Gr.A 1

11 Bush Bronze IBR 282 (a) (iv) Gr.B 1

12 Spring Carbon Steel IBR 307 TO 314 1

13 Bolts and Nuts Carbon Steel – –

14 Disc Stainless Steel ASTM A217 Gr. CA15 / ASTM A276 Type 410 + Stellite 1

15 Ring Bronze IBR 282 (a) (iv) Gr.B 1

16 Screw Carbon Steel – 1

17 Body Seat Ring Stainless Steel ASTM A276 Type 410 + Stellite 1

18 Body Cast Carbon Steel IBR 73 TO 80 1

19 Adjusting Ring Bronze IBR 282 (a) (iv) Gr.B 1

Dimensional Data

Nominal Size (mm) CF ±1.5 CF1 ±1.5 ØFD FT ØFD1 FT1 H

25 108 89 120.7 14.3 114.3 9.5 455

40 121 102 139.7 17.5 133.4 12.7 525

50 140 121 165.1 19.1 152.4 14.3 580

Nominal Size (mm)	CF ±1.5	CF1 ±1.5	ØFD	FT	ØFD1	FT1	H
25	108	89	120.7	14.3	114.3	9.5	455
40	121	102	139.7	17.5	133.4	12.7	525
50	140	121	165.1	19.1	152.4	14.3	580

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