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Butterfly Valve (Rubber Seat)

Name แบบรองลิ้นด้วยแหวนยาง ชนิดคอสั้น Double Eccentric, Bi-directional Flow, Gear Operator
Model BV-RV PN.10 , BV-RV PN.16 BV-RH PN.10 , BV-RH PN.16
Dimensions (DN) Laying length (L) Minimum Thickness(e)mm. MinimumShaftDia. (s) High connecting (H) Manual Gear Operated Torque  for Shaft Torque for Gearing
inch millimeter Short Body mm. Long Body mm. PN.10 mm. PN.16 mm. Short Neck mm. Long Neck mm. Ratio Numberof Turns rounds Mechanical Advantage M.A. PN.10 N-m. PN.16 N-m. PN.10 N-m. PN.16 N-m.
4 100 127±2 190±2 11 16 16 306 - 1 : 40 10 8.19 28 37 1.8 2.4
6 150 140±2 210±2 11 26 26 328 85 118 5.6 7.8
8 200 152±2 230±2 12 29 29 365 162 229 10.8 15.2
10 250 165±2 250±2 14 35 35 390 1:52 13 10.16 290 417 19.3 27.8
12 300 178±2 270±3 15 38 38 426 454 657 25.2 36.5
14 350 190±2 290±3 16 45 45 467 690 1010 38.3 56.1
16 400 216±2 310±3 17 51 51 751 1194 1:112 28 26.87 999 1472 43.4 64
18 450 222±2 330±3 20 54 57 780 1225 1327 2053 57.6 89.2
20 500 229±2 350±3 21 61 64 800 1243 1812 2695 78.7 117.1
24 600 267±3 390±3 24 70 76 860 1303 3149 4398 205.9 191.2
28 700 292±3 430±3 27 83 87 1107 1444 1:130 33 24.95 5077 6999 195.2 269.1
32 800 318±3 470±3 29 93 99 1169 1510 6728 10174 258.7 391.3
36 900 330±3 510±4 31 102 111 1241 1576 1:142.5 36 38 9285 14069 357.1 541.1
40 1000 410±3 550±4 33 111 121 1340 1900 12428 18854 327 -
48 1200 470±3 630±4 38 130 143 1404 2014 1:850 217 47 20841 31678 443.4
60 1500 565±4 750±4 48 159 184 1649 2259 1:1300 325 84 39723 60434 472.8
72 1800 670±4 870±5 61 191 216 1833 2285 1:1368 342 126 68702 104529 545.2

 

Remarks  1 (H) conform to construction Drawing (Short & long Neck)   2 Hand wheel for “About ground” and Cap for “Underground” 
  3 Dimensions of flange conforming to ISO 7005-2 see appendix A  

Material

Model Part accessories
Body Disc Shaft Connecting Disc Sealing Body Sealing
BV-RV PN.10 Cast iron-FC 20 Cast iron - FC25 304 - St_Steel Cast iron-FC 20 Bronze – BC6 Rubber “NBR” IRHD 70±5 Working Temp.  0-80oC Rubber “EPDM” IRHD 70±5 Working Temp.  -10-120 oC
BV-RV PN.16 Ductile iron- FCD 45 Ductile iron- FCD 45 304 - St_Steel Cast iron-FC 20 Bronze – BC6
BV-RH PN.10 Cast iron-FC 20 Cast iron - FC25 304 - St_Steel Cast iron-FC 20 Bronze – BC6
BV-RH PN.16 Ductile iron- FCD 45 Ductile iron- FCD 45 304 - St_Steel Cast iron-FC 20 Bronze – BC6

 

                  

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