Contact Info

Plot No. 6234, Road No. 62, G.I.D.C., Sachin, Surat - 394230 Gujarat, India. +(91) 9904000336 +(91) 9904000342 sales@unitechvalves.com rajesh@unitechvalves.com

+91 9904000336

Unitech Valves & Automation
+(91) 9904000336

Swing Type NRV Valve

Swing Type NRV Valve Swing Type NRV Valve
Swing Type NRV Valve
Swing Type NRV Valve

Swing Type NRV Valve

Conformity To Standard & Codes

Design & Manufactuting BS 1868
Inspection & Testing API 598 / BS 6755 Part-1
Valve Face to Face ANSI B 16.10
End Connection ASME B 16.5, Class 150, 300
Pressure & Temp. Rating ANSI B 16.34

Valve Inspections Testing

Test Class 150# Class 300#
Body (Hyd.) 31 Kg/cm² 78 Kg/cm²
Seat (Hyd.) 23 Kg/cm² 58 Kg/cm²

Technical Specification

Body : Cast Iron / ASTM A216 Gr. WCB / ASTM A351 Gr. CF8 / CF8M Bonnet Cover : Cast Iron / ASTM A216 Gr. WCB / ASTM A351 Gr. CF8 / CF8M Disc : AISI 410 / AISI 304 / AISI 316 Body Seat : AISI 410 / AISI 304 / AISI 316 Disc Seat : AISI 410 / AISI 304 / AISI 316 Washer : AISI 410 / AISI 304 / AISI 316 Disc Nut : AISI 410 / AISI 304 / AISI 316 Hinge Pin : AISI 410 / AISI 304 / AISI 316 Hinge : ASTM A216 Gr. WCB / SS304 / SS 316 Guid Bush : AISI 410 / AISI 304 / AISI 316 Gasket : Spiral Wound With Graphite Filler Stud & Nut : M.S. / S.S. /ASTM A193 Gr. B7 / ASTM A194 Gr. 2H

Sailent Features

→ Body & Cover made from high quality casting. → The castings are precision machined for high performance of valve. → Bolted Cover design. → Body Seat Ring & Disc machined to close tolerances providing smooth action and accurate seating. → Seat Ring Seal weld to the body. → Replaceable (Renewable) type Seat Ring & Integral Seat can also available on special request. → Stellited Hard Face F6 Seat Ring & Disc also supply on requirement.

All Dimensions are in mm Unless Specified (150#)

Size F/F ∅D ∅RF T N ∅J 'K'PCD
25 127 110 51 11.6 4 16 79.4
40 165 125 73 14.7 4 16 98.4
50 203 150 92 16.3 4 19 120
65 216 180 105 17.9 4 19 120.7
80 241 190 127 19.5 4 19 152.4
100 292 230 157 24.3 8 19 190.5
125 356 255 186 24.3 8 22 521.9
150 406 280 216 25.9 8 22 241.3
200 495 345 270 29 8 22 298.5
250 622 405 325 30.6 12 25 362
300 698 485 381 32.2 12 25 431.8

All Dimensions are in mm Unless Specified (300#)

Size F/F ∅D ∅RF T N ∅J 'K'PCD
25 216 125 51 17.5 4 19 88.9
40 241 155 73 19.1 4 22 114.3
50 267 165 92 20.7 8 19 127
65 292 190 105 23.9 8 22 149.2
80 318 210 127 27 8 22 168.3
100 356 255 157 30.2 8 22 200
125 400 280 186 33.4 8 22 235
150 445 320 216 35 12 22 269.9
200 533 380 270 39.7 12 25 330.2
250 622 445 324 46.1 16 29 387
300 711 520 381 49.3 16 32 450.8

Applications

Oil Refineries
Petro Chemical Industries
Compressed Air Line
Gas Industries
Water Line Process

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Unitech Valve, with its accomplished trained professionals, spends significant time in assembling modern valves and offers specialized help and one-stop answers for the worldwide market.