DP-Series-Style Butterfly-Off Line 150/300 lbs

Design Features

  • Standard sizes from 125 nb to 300 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 CI,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,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
5″-8″(125mm-200mm) 0.125 IN. (3.2mm) 0.8mm
10″-12″(250mm-300mm) 0.125 IN. (3.2mm) 1.5mm

Dimensions

Size
mm
A
mm
B
mm
C
mm
D
mm
E
mm
F NPT
mm
125 1230 384 168 680 798 25
150 1295 410 178 806 934 25
200 1549 461 235 1058 1243 40
250 1759 562 273 1350 1533 40
300 2013 613 340 1581 1851 50