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Model 72

Eaton Simplex Strainers

3/8" to 8" Iron, Bronze, CS, or SS - Threaded or Flanged

Photo of a Model 72 simplex basket strainer.

  Models

Seals and Pressure Ratings

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Size Material End Connection Seals Pressure Rating*
3/8" to 3" Iron and Bronze Threaded Buna-N® 200 psi (13.8 bar)
1" to 3" Carbon Steel Threaded Buna-N® 200 psi (13.8 bar)
1" to 3" Stainless Steel Threaded Viton® 200 psi (13.8 bar)
1" to 8" Iron Flanged 125# Buna-N® 200 psi (13.8 bar)
1" to 8" Bronze Flanged 150# Buna-N® 200 psi (13.8 bar)
1" to 8" Carbon Steel Flanged 150# Buna-N® 200 psi (13.8 bar)
1" to 8" Stainless Steel Flanged 150# Viton® 200 psi (13.8 bar)

* @ 100 °F (38 °C)




Graph showing the flow rates for Model 72 strainers.

  Features

Eaton’s Model 72 has been the industry standard simplex basket strainer for over 70 years. A few of the reasons for its popularity are, first, the unusually large basket capacity. Second, the free straining area is a least 6 times the cross-sectional pipe area. Third, no tools are needed to open the cover. Fourth, the quick opening, swinging yoke can be disassembled and the basket removed in seconds. Wall thicknesses are exceptionally heavy. The basket seats are precision machined to give a tight seal. And every strainer is hydrostatically tested at 150% of its maximum rated pressure. The Eaton Model 72 is a high quality, heavy duty unit that will stand up to the most demanding of applications. There is no better simplex basket strainer made.

Features/Benefits

  • Quick open cover without tools
  • Large capacity baskets
  • Threaded drain
  • Machined basket seat
  • Perforated or mesh stainless steel baskets standard

The Eaton Model 72 is perfect for applications in which the line can be temporarily shut down for strainer basket cleaning or changeout. A reason for its popularity is the unusually large basket capacity. The free straining area with a perforated basket is a minimum of six times the cross sectional pipe area. The basket seats are precision machined to give a tight seal and prevent any material from bypassing the basket.

Options

  • Basket perforations from 1/32" to ½"
  • Basket mesh from 20 to 400
  • Monel baskets
  • Viton®, TFE, or EPDM seals
  • Vent valves
  • Drain valves
  • ¼" NPT taps
  • Magnetic basket inserts
  • Pressure differential gauge and switch connections

Applications

  • Wastewater
  • Spray Nozzle Systems
  • Heat Exchanger Protection
  • Cooling Towers
  • Boiler Feed Water
  • Machining Fluids
  • Deep Well injection
  • Descaling Systems
  • Lube Oil Systems
  • Irrigation
  • Paper Coating
  • Refining

  Dimensions

CAD drawing showing the dimensions of two Model 72 strainers - one threaded and one flanged.

Threaded Dimensions and Cv Factors

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Size Cv Factor* in (mm) Weight - lbs (kg)
A B C D E F G H Bronze Carbon Steel Iron Stainless Steel
3/8 15.0 4.00 (102) 6.63 (168) 2.88 (73) 4.00 (102) 2.38 (60) 3/8 11 (279) 4 (1.8) 4 (1.8)
½ 15.0 4.00 (102) 6.63 (168) 2.88 (73) 4.00 (102) 2.38 (60) 3/8 11 (279) 4 (1.8) 4 (1.8)
¾ 15.0 5.38 (137) 8.38 (213) 4.00 (102) 5.00 (127) 3.06 (78) ½ 13 (330) 8 (3.6) 7 (3.2)
1 22.5 5.38 (137) 8.38 (213) 4.00 (102) 5.00 (127) 3.06 (78) ½ 13 (330) 8 (3.6) 7 (3.2) 7 (3.2) 7 (3.2)
1-¼ 31.5 6.75 (172) 9.88 (251) 4.88 (124) 5.88 (149) 3.88 (99) ½ 14 (356) 13 (6) 12 (6)
1-½ 46.0 7.25 (184) 11.00 (279) 4.88 (124) 7.00 (178) 4.00 (102) ¾ 16 (406) 16 (7) 15 (7) 15 (7) 16 (7.3)
2 73 8.75 (222) 13.38 (340) 6.75 (172) 7.63 (194) 5.13 (130) 1-¼ 21 (533) 32 (15) 36 (16) 28 (13) 31 (14)
2-½ 125 10.38 (264) 14.88 (378) 8.00 (203) 8.63 (219) 6.38 (162) 1-½ 26 (660) 49 (22) 52 (24) 42 (19) 51 (23)
3 180 11.50 (292) 17.75 (468) 8.00 (203) 11.38 (298) 6.63 (168) 1-½ 28 (711) 60 (27) 60 (27) 52 (23) 60 (27)

*For water with clean, perforated basket

Flanged Dimensions and Cv Factors

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Size Cv Factor* in (mm) Weight - lbs (kg)
A B C D E F G H Bronze Carbon Steel Iron Stainless Steel
1 22.5 7.63 (194) 8.38 (213) 4.00 (102) 5.00 (127) ½ 13.00 (330) 16 (7) 9 (4) 9 (4) 9 (4)
1-½ 46.0 10.25 (260) 11.00 (279) 4.88 (124) 7.00 (178) ¾ 16.00 (406) 30 (14) 17 (7.7) 17 (7.7) 17 (7.7)
2 73 10.50 (268) 13.75 (349) 6.75 (172) 7.63 (194) 5.13 (130) 6.25 (159) 3/8 20.00 (508) 49 (22.3) 36 (16) 36.5 (17) 36 (16)
2-½ 125 11.63 (295) 15.63 (397) 8.00 (203) 8.88 (226) 6.38 (162) 763 (194) 3/8 23.00 (584) 64 (29.1) 63 (27) 54 (25) 63 (29)
3 180 13.13 (334) 18.00 (457) 8.00 (203) 10.63 (270) 6.50 (165) 8.00 (203) 3/8 27.00 (686) 85 (38.6) 76 (35)
3 180 13.13 (334) 18.75 (476) 7.94 (202) 12.00 (305) 6.50 (165) 8.00 (203) ½ 27.00 (686) 86 (39) 86 (39)
4 350 16.75 (425) 19.88 (505) 10.75 (273) 10.75 (273) 9.63 (245) 11.38 (289) ½ 30.00 (762) 140 (63.6) 125 (55)
4 350 17.25 (438) 19.88 (505) 10.69 (272) 10.69 (272) 9.25 (235) 11.38 (289) ½ 30.00 (762) 130 (59) 130 (59)
5 —** 18.13 (461) 25.13 (638) 10.75 (273) 15.25 (387) 10.00 (254) 11.38 (289) ½ 41.00 (1041) 182 (82.7) 170 (775)
6 900) 19.63 (499) 28.50 (724) 10.69 (272) 18.38 (467) 10.00 (254) 11.38 (289) ½ 46.00 (1168) 270 (122.7) 235 (107) 200 (91) 235 (107)
8 1400) 27.00 (686) 40.50 (1029) 27.00 (686) 13.75 (349) 17.50 (445) ½ 60.00 (1524) 600 (272.7) 550 (250) 500 (227) 550 (250)

*For water with clean, perforated basket
**Not listed

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