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DP-Series-Style Butterfly-in Line Column

Design Features

  • Standard sizes from 50 nb to 1200 nb
  • Available In flanged Ends To ANSI B16.5 , AWWA , IS Standards with 150/300 ratings
  • Butterfly type diverter valves
  • Standard thru bolt cover design. Other covers on request
  • Perforated screens are standard
  • May be installed in horizontal pipelines
  • All welders are qualified to ASME Section IX
  • Strainers designed to meet the requirements of ASME Section VIII,Div.1
  • Drain with plug is is standard . Drain valves can be supplied on request
  • Vents with plug and Dp indicators are standard
  • Large body with Guaranteed low pressure drop as per Appendix 3 in engineering data
  • Net free straining area minimum 6 times for standard screen

Material Data

Component Materials
Body IS1239,3589 ASTM A106, SS304/316, DUPLEX STEEL
Cover A105, SA 516 GR 70, CS TO IS 2062, SS316,304, DUPLEX STEEL
Valve Body Cast Iron, ASTM A 216 WCB,CF8,CF8M
Valve Disc Cast Iron,SS 304, SS 316
Fastener A193 B7 Bolts & A 194 2 H Nuts with spring washer SS 304/316
Gaskets CAF, NACF, Neoprene, NItrile,PTFE
Valve Seat EPDM,Nitrile rubber,PTFE
Drain / Vent Plug A105, CS TO IS 1875-II, Stainless Steel
Filter Element SS 304,316, Duplex, Brass, Monel, Hastalloy C

* Other materials available on request.

Standard Screens

Size Range Opening Guage Thickness
2″-8″( 50mm-200mm) 0.125 IN. (3.2mm) 22
10″-12″(250mm-300mm) 0.125 IN. (3.2mm) 16
14″-24″(250mm-600mm) 0.188 in. (4.8mm) 11

Dimensions

Size
mm		 A
mm		 B
mm		 C
mm		 D
mm		 E
mm
50 813 508 152 302 404
80 965 610 203 453 606
100 965 660 203 554 707
150 1219 914 254 806 1010
200 1448 1092 305 1058 1313
250 1930 1397 330 1310 1590
300 2159 1448 356 1561 1867
350 2337 1524 457 1813 2220
400 2642 1626 508 2065 2533
450 2946 2083 508 2317 2775
500 30.48 2210 610 2569 3129
600 3353 2388 711 3072 3733