SKU: GVWR3

ANSI 300 Flanged Cast Steel Gate Valve

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Rising stem Cast Steel (WCB) ANSI 300 Flanged Gate Valve. Used extensively in petrochemical and high temperature applications as an isolation valve.

  • Heat resistant primer coating.
  • Media temperature rated to 315°C @ 38 Bar
  • Face to face comply with ANSI B16.10.
  • Design in accordance with API 600.
  • Handwheel Operation
Model DN Pressure Range (at Ambient Temp) Media Temp Weight (kg)
GVWR3-050 50 0 to 50 Bar 315°C at 38 Bar 23
GVWR3-065 65 0 to 50 Bar 315°C at 38 Bar 35
GVWR3-080 80 0 to 50 Bar 315°C at 38 Bar 50
GVWR3-100 100 0 to 50 Bar 315°C at 38 Bar 71
GVWR3-150 150 0 to 50 Bar 315°C at 38 Bar 144
GVWR3-200 200 0 to 50 Bar 315°C at 38 Bar 209
GVWR3-250 250 0 to 50 Bar 315°C at 38 Bar 322
GVWR3-300 300 0 to 50 Bar 315°C at 38 Bar 482

ANSI 300 Gate Valve Dimensions

Size L D (Flange OD) D1 (PCD) D2 (Raised Face OD) N-ød (Holes) B (Flange Thickness) H (Open) H (Closed) W (Handwheel Dia.)
50 216 ± 1.5 165 127 92.1 8-Ø19 20.7 408 340 200
65 241 ± 1.5 190 149.2 104.8 8-Ø22.5 23.9 460 386 200
80 282 ± 1.5 210 168.3 127 8-Ø22.5 27 530 435 240
100 305 ± 1.5 255 200 157.2 8-Ø22.5 30.2 619 502 280
125 381 ± 1.5 280 235 186 8-Ø22.5 33.4 748 605 320
150 403 ± 1.5 320 269.9 215.9 12-Ø22.5 35 826 660 360
200 419 ± 1.5 380 330.2 269.9 12-Ø25.5 39.7 1038 807 400
250 457 ± 1.5 445 387.4 323.8 16-Ø28.5 46.1 1247 972 450
300 502 ± 2 520 450.8 381 16-Ø32 49.3 1436 1107 560
350 762 ± 3 585 514.4 412.8 20-Ø32 52.4 1595 1230 640
400 838 ± 3 650 571.5 469.9 20-Ø35 55.6 1797 1383 720
450 914 ± 3 710 628.6 533.4 24-Ø35 58.8 1994 1530 800
500 991 ± 3 775 685.8 584.2 24-Ø35 62 2204 1687 950
600 1143 ± 3 915 812.8 692.2 24-Ø41.5 67.3 2605 1984 1100

All dimensions in mm unless shown otherwise. 

ANSI 300 Gate Valve Construction

No. Part Material
1 BODY ASTM A216 WCB
2 SEAT ASTM A105+13CR
3 WEDGE (2"-4") ASTM A217 CA15+13CR
  WEDGE (5"-8") ASTM A216 WCB+13CR
4 STEM ASTM A182 F6a Cl.2
5 GASKET SS304+Graphite
6 BONNET ASTM A216 WCB
7 BACK SEAT ASTM A276 420
8 BOLT ASTM A193 B7
9 NUT ASTM A194 2H
10 SPACER RING ASTM A276 420
11 PACKING Braided Graphite & Die formed Graphite Ring
12 PIN AISI 1035
13 COTTER Q235
14 GLAND ASTM A276 420
15 GLAND FLANGE ASTM A216 WCB
16 EYE BOLT ASTM A193 B7
17 NUT ASTM A194 2H
18 GREASE FITTING C.S
19 STEM NUT ASTM A439 D-2
20 BEARING GLAND AISI 1020
21 HANDWHEEL ASTM A536 65-45-12
22 LOCK NUT AISI 1020
23 BOLT AISI 1045
24 BEARING GCr15
25 BRACKET ASTM A216 WCB

Size 50mm to 300mm
Body Carbon Steel (WCB)
Seat Metal
Pressure 50 Bar @ ambient
Operation Handwheel rising stem

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