Microfinished Orifice Plates

Microfinished orifice plates are furnished with 50-125 AARH standard finish and your required bore.

Mack Iron tolerances on bore diameters:
Bore £ 1/2" -.005"; +.010"
Bore > 1/2" ± .005"

Standard Finish: 50-125 AARH finish

	Denotes Required Specifying Information
	Product Name / Description (i.e. Orifice Plate, Orifice Blank)

	Nominal Pipeline size (e.g. 10")
	Diameter of Bore
	Adjacent flange class and type (e.g. 150# RF, MSS SP-44 (if using ANSI B16.47, specify series A or B)

Material of construction (e.g. carbon steel, stainless steel - or it may be specific e.g. SA515 Gr. 70, A240 Type 304 S.S.)

Denotes Optional Information

	Alternate Gasket Surface/Finish (click here to see available gasket surface finishes)
	Special Dimensions
	Corrosion Allowance
	Special marking or tagging requirements
	Special QA, traceability or paperwork requirements (e.g. CMTR's)
	Oxygen cleaning (click here to see Mack Iron cleaning capabilities)

ORIFICE BLANKS & PLATES AVAILABLE FOR JUST-IN-TIME DELIVERY

304 S.S.
150# RF

3/4"
1"
1-1/2"
2"
3"
4"
6"
8"

304 S.S.
300# RF

3/4"
1"
1-1/2"
2"
3"
4"
6"
8"

Click here for all available Mack Iron stock items