Capacities of 8697 Metering Orifice Plates (US Customary Units) 90-387 Plates, 1.5 - 19"w.c.
100.00 125.00 150.00 175.00 200.00 225.00 250.00 275.00 300.00 325.00 350.00 375.00 400.00 425.00 450.00 475.00 500.00 525.00 550.00 575.00 600.00 625.00 650.00 675.00 700.00 725.00 750.00 775.00 800.00 825.00 850.00 875.00 900.00 925.00
705.00
675.00
645.00
Plate No. = cfh Natural Gas with 3 ½ "w.c. drop (8.72 mbar)
615.00
585.00
555.00
387
525.00
495.00
324
465.00
435.00
405.00
270
375.00
225
345.00
315.00
186
285.00
156
255.00
225.00
130
195.00
108
165.00
135.00
90
105.00
75.00
50.00 75.00
45.00
1.50 2.75 4.00 5.25 6.50 7.75 9.00 10.25 11.50 12.75 14.00 15.25 16.50 17.75 19.00
Pressure Drop, inches of water column ("w.c.)
Bulletin 8697 Page 7
Made with FlippingBook flipbook maker