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Gate Valve (Rising Stem) & Surface Box

Name ชนิดก้านยก วัสดุอัดกันรั่ว Rising Stem ชนิดก้านคันโยก วัสดุอัดกันรั่ว Rising Stem หีบกุญแจประตูน้ำ กปน. และ กปภ. Surface Box
Model GV-NR PN.10 , PN.16 GV-NR PN.10 , PN.16 SGV
Dimensions (DN) Laying length (L) mm. Minimum Thickness (e)mm. Minimum Shaft Dia. (s) High connecting (H1) Operated Valve Hand Wheel Sizing (W) Surface Box (Under Ground)
inch millimeter Stem At thread Base Stem At thread OD. Pitch Hand Wheel Controlling handle Number of Turns (rounds) H e ÆA
Hand wheel
3 80 203±2 9 22 30 8 382 - 11   250 10 280
4 100 229±2 10 22 30 8 443 714 14 250 For GV 100 to 300 MWA
6 150 267±3 11 26 34 8 590 938 21 300 SGV-P-0560
8 200 292±3 13 26 34 8 730 1060 27 350 For GV 50 to 600 PWA
10 250 330±3 16 29 37 8 880 - 34 400 SGV-M-1030
12 300 356±3 17 30 38 8 1002 40  
14 3504 381±3 19 37 45 8 - 46 SGV-M-0400
16 400 406±3 22 37 45 8 53 For GV 400 MWA
18 4504 432±3 24 45 57 12 40 450  
20 500 457±3 25 45 57 12 44 500 250 15 280
24 600 508±4 27.4 50 62 12 52 600

 

Remarks  1 (H) conform to construction Drawing 2 Hand wheel for “About ground” and Cap for “Underground”
  3 Dimensions of flange conforming to ISO 7005-2 see appendix A 4 No assign in TIS 256-2540


Material

Model Part accessories
Body& Bonnet Disc Stem Sealing for stem Disc Sealing Body Sealing
GV-NR PN.10 Cast iron-FC 20 Cast iron - FC20 For TIS 256 Arsenic Brass For TIS 432 ST-Steel  304 Rubber “NBR”   Working Temp.  0-80 oC Rubber “EPDM”   Working Temp. -10-120 oC Bronze – BC6 Bronze – BC6
GV-NR PN.16 Cast iron-FC 25 Ductile iron- FCD 45 Bronze – BC6 Bronze – BC6
GV-NK PN.10 Cast iron-FC 20 Cast iron - FC20 Bronze – BC6 Bronze – BC6
GV-NK PN.16 Cast iron-FC 25 Ductile iron- FCD 45 Bronze – BC6 Bronze – BC6
SGV Cast iron-FC 20

 

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