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

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 is standard . Dp indicator is optional
  • 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

Strainer 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
Fastners CS TO IS 1367 washer. SS 304/316
Gaskets CAF, NACF, Neoprene, NItrile,PTFE
Valve Seals 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
2″-8″( 50mm-200mm) 0.125 IN. (3.2mm)
10″-12″(250mm-300mm) 0.125 IN. (3.2mm)
14″-24″(250mm-600mm) 0.188 in. (4.8mm)

Dimensions

Size
mm
A
mm
B
mm
C
mm
D
mm
E
mm
125 1203 384 168 623 741
150 1295 410 178 737 865
200 1549 461 235 966 1151
250 1759 562 273 1195 1418
300 2013 613 340 1424 1714