Critical Orifice Assembly Size:Size 730 --- PN-742 Doc ID: AERHQWW-pn-307-enLast revised (Excluding

Doc ID: AERHQWW-pn-307-enLast revised (Excluding prices): 0

Minimum porthole inside diameter needed: ~4 in

This item is assembled after the sampling probes and before the metering systems (e

PN-919 x1 Union

Doc ID: AERHQWW-s-44-en

Critical Orifice Assembly Size:Size 730 --- PN-742 Doc ID: AERHQWW-pn-307-enLast revised (ExcludingMeets or exceeds the following methods laws requirements: US EPA Method 5: Section 16. 2. 1. 1 (Selection of Critical Orifices) Section 16. 2. 2 (Critical Orifice Calibration) Product Description Critical Orifice is used to calibrate the dry gas meter (DGM) of various metering consoles. This calibration instrument is approved by the US EPA as calibration standard for calibrating a dry gas meter, in place of the wet test meter stated in Section 16. 1