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Rubber Line Butterfly Valve

Name แบบรองลิ้นด้วยแหวนยาง ชนิดคอสั้น Double Eccentric, Bi-directional Flow, Gear Operator แบบรองลิ้นด้วยแหวนยาง ชนิดคอสั้นและคอยาว Double Eccentric, Bi-directional Flow, Gear Operator แบบรองลิ้นด้วยแหวนยาง ชนิดคอสั้น Double Eccentric, Bi-directional Flow, Gear Operator แบบรองลิ้นด้วยแหวนยาง ชนิดคอสั้นและคอยาว Double Eccentric, Bi-directional Flow, Gear Operator
Model BV-RV PN.10 , BV-RV PN.16 BV-RH PN.10 , BV-RH PN.16 BV-RV PN.10 , BV-RV PN.16 BV-RH PN.10 , BV-RH PN.16 BV-RV PN.10 , BV-RV PN.16 BV-RH PN.10 , BV-RH PN.16 BV-RV PN.10 , BV-RV PN.16 BV-RH PN.10 , BV-RH PN.16
Type Rubber Seat, Double eccentric  Double Flange, Short Body Gear Operator PN.10, PN.16 Rubber Seat, Double eccentric  Double Flange, Short & Long Body Gear Operator PN.10, PN.16 Rubber Seat, Double eccentric  Double Flange, Short & Long Body Gear Operator PN.10, PN.16 Rubber Seat, Double eccentric  Double Flange, Short & Long Body Gear Operator PN.10, PN.16
Size Nominal (DN) 100 , 150 , 200 , 250 , 300 , 350 400 , 500 , 600 700 , 800 , 900 , 1000 1200 , 1500 , 1800
Customer PWA , RID MWA , PWA , RID MWA , PWA , RID MWA , PWA , RID
Appearance BV1 BV2 BV4 BV6
Dimensions (DN) Laying length (L) MinimumThickness(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

Specification:    

  1. Rubber seated butterfly valve is suitable for bi-directional service use in pipe system sizing to DN 100 to 1,800 mm.
  2. Double offset sealing disc system shall be achieved by means of rubber “NBR” or ”EPDM” on disc and Metal seat on body valve
  3. Design of dimensions reference standards
    • Basic (Body Thickness & Shaft)       Conforming to AWWA C 504­­-06 Class 150A, 150B and 250B , BS 5155 and TIS 382-2531
    • Double Flange Connections           Conforming to BS 4504 or ISO 7005-2 Class PN.10, 16
    • Face to Face Laying Length            Conforming to ISO/DIS 5752 Basic series 13(short body) and basic series 14(long body)
  4. Coating
    • All exterior shall be coated with “Non-Bleeding Type Coal-Tar Epoxy” except for Finished or seating surfaces.
    • The total dry film thickness shall not be less than 200 microns (8 mils). The coal-tar epoxy to be used shall be dark gray in colors.
    • All interior shall be coated with “Non-Toxic liquid Epoxy (Containing No Coal-Tar)” Conforming to AWWA C 210.
    • The total dry film thickness shall not be less than 200 microns (8 mils). The liquid epoxy to be used shall be blue in colors.
  5. 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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