Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

AV-271A Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

AV-271A | Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Features

Product Standard

ASME B16.34

Testing Standard

API-598

Pressure / Class Rating

Class-150

Body Material Cum Standard

Cast Carbon Steel (ASTM A216 Gr. WCB)

Product Description

Bolted Bonnet, Rising Stem, Handwheel Operated

Type of Seat

Renewable Seat

Type of Disc

Renewable Piston

Trim

Valve Rings: Atam Standard, Spacer & Piston: 13% Cr. (SS 410)

End Details

Flanged Ends as per ASME B16.5 Class-150 Raised Face (Drilled)

Test Pressure

Body: 30 Bar (Hyd.), Seat: 22 Bar (Hyd.), Seat: 7 Bar (Air)

Max. Working Temperature

425°C

Application Medium

Super Heated Steam, Condensate, Thermic Fluids, Hydro Carbons, Chemicals

Notes

Test Certificate in Form III-C as per IBR is furnished with every supply.
Balanced piston arrangement is available in sizes 65mm & above, to address high torque.
Contact for other service applications.

Suitability

Water

Steam

Gas

Oil

Air

Download PDF Product Inquiry

Material Combination

S.No	Description	No.	Material	Specifications
1	Body	1	Cast Steel	ASTM A 216 Gr. WCB
2	Lower Valve Ring	1	Atam Standard	S.S. Re-inforced Graphite
3	Spacer	1	Stainless Steel	ASTM A 217 Gr. CA 15
4	Upper Valve Ring	1	Atam Standard	S.S. Re-inforced Graphite
5	Piston*	1	Stainless Steel	ASTM A 276 TP 410
6	Bonnet	1	Cast Steel	ASTM A 216 Gr. WCB
7	Stem Nut	1	Aluminium Bronze	BS 1982 Gr. CC 331G
8	Handwheel	1	Cast Iron / Mild Iron	GG 20/FG 200/MI
9	Handwheel Nut	1	Carbon Steel	–
10	Stem	1	Stainless Steel	ASTM A 276 TP 410
11	Nut	4	Carbon Steel	ASTM A 194 Gr. 2H
12	Belleville Washers	4	Carbon Steel	–
13	Stud & Nut	4	Alloy Steel & H.T. Steel	ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2H

Download PDF Product Inquiry

Dimensional Data

øDN	FF	H	øHW	øFD	FT	RFD	RFH	øK	n	ød
25	127	154	140	110	9.6	51	2	79.4	4	16
40	165	185	200	125	12.7	73	2	98.4	4	16
50	203	210	200	150	14.3	92	2	121	4	19
65	216	320	250	180	15.9	105	2	139.7	4	19
80	241	330	250	190	17.5	127	2	152.4	4	19
100	292	390	280	230	22.3	157.2	2	190.5	8	19

Download PDF Product Inquiry

AV-271A | Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Product Inquiry

Features

Product Standard

ASME B16.34

Testing Standard

API-598

Pressure / Class Rating

Class-150

Body Material Cum Standard

Cast Carbon Steel (ASTM A216 Gr. WCB)

Product Description

Bolted Bonnet, Rising Stem, Handwheel Operated

Type of Seat

Renewable Seat

Type of Disc

Renewable Piston

Trim

Valve Rings: Atam Standard, Spacer & Piston: 13% Cr. (SS 410)

End Details

Flanged Ends as per ASME B16.5 Class-150 Raised Face (Drilled)

Test Pressure

Body: 30 Bar (Hyd.), Seat: 22 Bar (Hyd.), Seat: 7 Bar (Air)

Max. Working Temperature

425°C

Application Medium

Super Heated Steam, Condensate, Thermic Fluids, Hydro Carbons, Chemicals

Notes

Test Certificate in Form III-C as per IBR is furnished with every supply.
Balanced piston arrangement is available in sizes 65mm & above, to address high torque.
Contact for other service applications.

Download PDF

Suitability

Water

Steam

Gas

Oil

Air

Material Combination

S.No Description No. Material Specifications

1 Body 1 Cast Steel ASTM A 216 Gr. WCB

2 Lower Valve Ring 1 Atam Standard S.S. Re-inforced Graphite

3 Spacer 1 Stainless Steel ASTM A 217 Gr. CA 15

4 Upper Valve Ring 1 Atam Standard S.S. Re-inforced Graphite

5 Piston* 1 Stainless Steel ASTM A 276 TP 410

6 Bonnet 1 Cast Steel ASTM A 216 Gr. WCB

7 Stem Nut 1 Aluminium Bronze BS 1982 Gr. CC 331G

8 Handwheel 1 Cast Iron / Mild Iron GG 20/FG 200/MI

9 Handwheel Nut 1 Carbon Steel –

10 Stem 1 Stainless Steel ASTM A 276 TP 410

11 Nut 4 Carbon Steel ASTM A 194 Gr. 2H

12 Belleville Washers 4 Carbon Steel –

13 Stud & Nut 4 Alloy Steel & H.T. Steel ASTM A 193 Gr. B7 / ASTM A 194 Gr. 2H

Dimensional Data

øDN FF H øHW øFD FT RFD RFH øK n ød

25 127 154 140 110 9.6 51 2 79.4 4 16

40 165 185 200 125 12.7 73 2 98.4 4 16

50 203 210 200 150 14.3 92 2 121 4 19

65 216 320 250 180 15.9 105 2 139.7 4 19

80 241 330 250 190 17.5 127 2 152.4 4 19

100 292 390 280 230 22.3 157.2 2 190.5 8 19

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Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

AV-271A Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Features

Suitability

Material Combination

Dimensional Data

Product Inquiry

Features

Suitability

Material Combination

Dimensional Data

øDN FF H øHW øFD FT RFD RFH øK n ød

25 127 154 140 110 9.6 51 2 79.4 4 16

40 165 185 200 125 12.7 73 2 98.4 4 16

50 203 210 200 150 14.3 92 2 121 4 19

65 216 320 250 180 15.9 105 2 139.7 4 19

80 241 330 250 190 17.5 127 2 152.4 4 19

100 292 390 280 230 22.3 157.2 2 190.5 8 19

AV-271A Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Enter Product Query

Products (By End Connection)

Atam Valves Limited

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

Mobile : +91 98888 10461
Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com

Atam Valves Limited

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

Mobile : +91 98888 10461
Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com

Manufacturers & Exporters ofValves, Fittings & Boiler Mountings

Manufacturers & Exporters ofValves, Fittings & Boiler Mountings

AV-271A Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Features

Suitability

Material Combination

Dimensional Data

Product Inquiry

Features

Suitability

Material Combination

Dimensional Data

øDN FF H øHW øFD FT RFD RFH øK n ød 25 127 154 140 110 9.6 51 2 79.4 4 16 40 165 185 200 125 12.7 73 2 98.4 4 16 50 203 210 200 150 14.3 92 2 121 4 19 65 216 320 250 180 15.9 105 2 139.7 4 19 80 241 330 250 190 17.5 127 2 152.4 4 19 100 292 390 280 230 22.3 157.2 2 190.5 8 19

AV-271A Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

Enter Product Query

Products (By End Connection)

Atam Valves Limited

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

Mobile : +91 98888 10461 Phone : +91 181 5001111 Fax: +91 181 2290611 Email : sales@atamfebi.com

Atam Valves Limited

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

Mobile : +91 98888 10461 Phone : +91 181 5001111 Fax: +91 181 2290611 Email : sales@atamfebi.com

Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

øDN FF H øHW øFD FT RFD RFH øK n ød

25 127 154 140 110 9.6 51 2 79.4 4 16

40 165 185 200 125 12.7 73 2 98.4 4 16

50 203 210 200 150 14.3 92 2 121 4 19

65 216 320 250 180 15.9 105 2 139.7 4 19

80 241 330 250 190 17.5 127 2 152.4 4 19

100 292 390 280 230 22.3 157.2 2 190.5 8 19

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

Mobile : +91 98888 10461
Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com

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

Mobile : +91 98888 10461
Phone : +91 181 5001111
Fax: +91 181 2290611
Email : sales@atamfebi.com