Series 550 Sight Window

Series 550 Sight Window

Series SFI-400 MIDWEST Sight Flow Indicator

Series SFI-400 MIDWEST Sight Flow Indicator

Series SFI-300F MIDWEST Sight Flow Indicator

Inexpensive Protection for Expensive Equipment and Systems

Series 300°F Sight Flow Indicators are manufactured of quality materials and safety tested to assure long, dependable service at economical prices. The 300°F Series offer ANSI flange process connections, double viewing windows, and bodies of carbon steel or 316 SS. The 350F type has a double window with no moving indicator and the 360F type has a double window with a flapper. All the types feature a removable window for easy service and replacement of wearing parts.

Product Applications

  • Hydraulic tanks
  • Pressure vessels
  • Coolant tanks
  • Hydraulic lines
  • Oil reservoirs
Starting at $942.50
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Grouped product items
Model Description Availability* Qty Price
SFI-350FCS-1-1/2 Sight flow indicator, 1-1/2" body, 6.375" (162 mm) length, 5.000" (127 mm) flange dia., 2.313" (58 mm) viewing dia., 12 lb (5.5 kg). 1-2 Weeks*
$942.50
SFI-350FCS-2 Sight flow indicator, 2" body, 6.500" (165 mm) length, 6.000" (152 mm) flange dia., 2.313" (58 mm) viewing dia., 16 lb (7.5 kg). 1-2 Weeks*
$1,033.75
SFI-350FCS-3 Sight flow indicator, 3" body, 8.875" (225 mm) length, 7.500" (191 mm) flange dia., 3.000" (76 mm) viewing dia., 38 lb (17 kg). 1-2 Weeks*
$1,621.25
SFI-350FCS-4 Sight flow indicator, 4" body, 10.250" (260 mm) length, 9.000" (229 mm) flange dia., 4.000" (102 mm) viewing dia., 56 lb (25 kg). 1-2 Weeks*
$2,427.50
SFI-350FCS-6 Sight flow indicator, 6" body, 12.500" (318 mm) length, 11.000" (279 mm) flange dia., 6.000" (152 mm) viewing dia., 120 lb (55 kg). 1-2 Weeks*
$4,163.75
SFI-350FSS-1-1/2 Sight flow indicator, 1-1/2" body, 6.375" (162 mm) length, 5.000" (127 mm) flange dia., 2.313" (58 mm) viewing dia., 12 lb (5.5 kg). 1-2 Weeks*
$1,705.00
SFI-350FSS-2 Sight flow indicator, 2" body, 6.500" (165 mm) length, 6.000" (152 mm) flange dia., 2.313" (58 mm) viewing dia., 16 lb (7.5 kg). 1-2 Weeks*
$1,800.00
SFI-350FSS-3 Sight flow indicator, 3" body, 8.875" (225 mm) length, 7.500" (191 mm) flange dia., 3.000" (76 mm) viewing dia., 38 lb (17 kg). 1-2 Weeks*
$2,525.00
SFI-350FSS-4 Sight flow indicator, 4" body, 10.250" (260 mm) length, 9.000" (229 mm) flange dia., 4.000" (102 mm) viewing dia., 56 lb (25 kg). 1-2 Weeks*
$3,760.00
SFI-350FSS-6 Sight flow indicator, 6" body, 12.500" (318 mm) length, 11.000" (279 mm) flange dia., 6.000" (152 mm) viewing dia., 120 lb (55 kg). 1-2 Weeks*
$5,593.75

Specifications

Service:
Compatible gases and liquids.
Wetted Materials:
Window: tempered glass; Body: carbon steel or 316 SS; Gasket: Buna-N, fluoroelastomer or PTFE; Indicator: 316 SS flapper (360).
Temperature Limit:
200°F (93°C).
Pressure Limit:
150 psig (10.34 bar).
Connections:
Flanged.

Product Literature

Catalog Pages

Model Chart

EXAMPLE SFI 350FCS 1-1/2 G1 Series SFI-350FCS-1-1/2-G1 Sight Flow Indicator, carbon steel body, no moving indicator, 1-1/2" body, with PTFE gasket
SERIES SFI       Sight Flow Indicator
BODY STYLE   350FCS
350FSS
360FCS
360FSS
    Carbon Steel Body, no Moving Indicator
316SS Body, no Moving Indicator
Carbon Steel Body, 316SS Flapper
316SS Body, 316SS Flapper
BODY SIZE     1-1/2
2
3
4
6
  1-1/2"
2"
3"
4"
6"
OPTIONS       G1
G2
ST
PTFE Gasket
Fluoroelastomer Gasket
Stainless Steel Tag
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Model Description Availability* Price