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DS-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 standard . Drain valves can be supplied on request
  • Vents with plug is standard, Dp indicators is optional
  • Body size is one size higher than line size . Pressure drop is nominal
  • 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,. 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 Guage Thickness
5″-8″(125mm-200mm) 0.125 IN. (3.2mm) .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
50 660 350 176 495 405
80 800 300 170 500 580
100 945 440 230 638 688
150 1110 533 277 812 964
200 1530 600 325 1066 1241
250 1625 660 362 1320 1507
300 1800 755 422 1574 1796
350 1920 810 597 1828 2200
400 2130 890 673 2082 2505
450 2400 910 743 2336 2804
500 2640 1020 829 2590 3119
600 3100 1220 981 3098 3729