Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

AV-271B Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

AV-271B | Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

Features

Product Standard

ASME B16.34

Testing Standard

API-598

Pressure / Class Rating

Class-300

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-300 Raised Face (Drilled)

Test Pressure

Body: 77 Bar (Hyd.), Seat: 57 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	203	154	140	125	16	51	2	89	4	19
40	229	185	200	155	19	73	2	114.3	4	22
50	267	210	200	165	20.7	92	2	127	8	19
65	292	320	250	190	24	105	2	149.2	8	22
80	318	330	250	210	27	127	2	168.3	8	22
100	356	390	280	255	30.2	157.2	2	200	8	22

Download PDF Product Inquiry

AV-271B | Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

Product Inquiry

Features

Product Standard

ASME B16.34

Testing Standard

API-598

Pressure / Class Rating

Class-300

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-300 Raised Face (Drilled)

Test Pressure

Body: 77 Bar (Hyd.), Seat: 57 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

25 203 154 140 125 16 51 2 89 4 19

40 229 185 200 155 19 73 2 114.3 4 22

50 267 210 200 165 20.7 92 2 127 8 19

65 292 320 250 190 24 105 2 149.2 8 22

80 318 330 250 210 27 127 2 168.3 8 22

100 356 390 280 255 30.2 157.2 2 200 8 22

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IBR Approved

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AV-202

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AV-202A

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AV-203

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AV-204

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AV-222

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AV-223

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AV-227

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AV-228

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AV-229

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AV-230

Bronze Safety Valve, Screwed Ends

AV-230A

Bronze Safety Valve, Flanged Ends

AV-231

Bronze Safety Valve, Screwed Ends

AV-232

Bronze Safety Valve, Screwed Ends

AV-233

Bronze Pop Type Safety Valve (Flanged Ends)

AV-234

Bronze Safety Valve, Screwed Ends

AV-235

Bronze Safety Valve, Flanged Ends

AV-238

Bronze Sight Flow indicator, Screwed Ends

AV-239

Bronze Inspector's Test Gauge Cock, Screwed Ends

AV-241

Bronze Pressure Gauge Cock, Screwed Ends

AV-242

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AV-251

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AV-251A

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AV-252

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AV-253

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AV-253A

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AV-255

Cast Iron Horizontal Lift Check Valve, Flanged Ends, PN-16

AV-256

Cast Iron Y-Type Strainer, Flanged Ends

AV-257

Cast Iron Y-Type Strainer, Screwed Ends

AV-258

Cast Iron Accessible Feed Check Valve, Flanged Ends

AV-259

Cast Iron Stop Cum Non-Return Valve, Flanged Ends, PN-16

AV-260

Cast Iron Vertical Inverted Bucket Type Steam Trap, Screwed Ends

AV-261

Cast Iron Single Post Hi-Lift Safety Valve, Flanged Ends

AV-262

Cast Iron Double Post Hi-Lift Safety Valve, Flanged Ends

AV-263

Cast Iron Pilot Operated Pressure Reducing Valve, Flanged Ends

AV-264

Cast Iron Moisture Separator, Flanged Ends

AV-269

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AV-271

Cast Carbon Steel Piston Valve, Flanged Ends, PN-40

AV-271A

Cast Carbon Steel Piston Valve, Flanged Ends, Class-150

AV-271B

Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

AV-276

Cast Carbon Steel Globe Steam Stop Valve, Flanged Ends, PN-40

AV-277

Cast Carbon Steel Horizontal Lift Check Valve, Flanged Ends, PN-40

AV-278

Cast Carbon Steel Parallel Slide Blow Off Valve, Flanged Ends (Table-J)

AV-278A

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AV-279

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AV-280

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AV-280A

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AV-281

Cast Carbon Steel Sleeve Packed Water Level Gauge, Flanged Ends

AV-282

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AV-283

Cast Carbon Steel Single Post Hi-Lift Safety Valve, Flanged Ends

AV-284

Cast Carbon Steel Double Post Hi-Lift Safety Valve, Flanged Ends

AV-285

Cast Carbon Steel Full Lift Safety Valve, Flanged Ends

AV-285A

Cast Carbon Steel Full Lift Safety Valve, Flanged Ends, Class-300

AV-287

Cast Carbon Steel Pilot Operated Pressure Reducing Valve, Flanged Ends

AV-288

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AV-288A

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AV-289

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AV-289A

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AV-303

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IC-14

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Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

Manufacturers & Exporters of
Valves, Fittings & Boiler Mountings

AV-271B Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

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

25 203 154 140 125 16 51 2 89 4 19

40 229 185 200 155 19 73 2 114.3 4 22

50 267 210 200 165 20.7 92 2 127 8 19

65 292 320 250 190 24 105 2 149.2 8 22

80 318 330 250 210 27 127 2 168.3 8 22

100 356 390 280 255 30.2 157.2 2 200 8 22

AV-271B Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

Enter Product Query

Products (By Standard)

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

Manufacturers & Exporters ofValves, Fittings & Boiler Mountings

Manufacturers & Exporters ofValves, Fittings & Boiler Mountings

AV-271B Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

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 25 203 154 140 125 16 51 2 89 4 19 40 229 185 200 155 19 73 2 114.3 4 22 50 267 210 200 165 20.7 92 2 127 8 19 65 292 320 250 190 24 105 2 149.2 8 22 80 318 330 250 210 27 127 2 168.3 8 22 100 356 390 280 255 30.2 157.2 2 200 8 22

AV-271B Cast Carbon Steel Piston Valve, Flanged Ends, Class-300

Enter Product Query

Products (By Standard)

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

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

25 203 154 140 125 16 51 2 89 4 19

40 229 185 200 155 19 73 2 114.3 4 22

50 267 210 200 165 20.7 92 2 127 8 19

65 292 320 250 190 24 105 2 149.2 8 22

80 318 330 250 210 27 127 2 168.3 8 22

100 356 390 280 255 30.2 157.2 2 200 8 22

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

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

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

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