Model AKF-F Flanged Sight Flow Indicator

Name: Model AKF-F Flanged Sight Flow Indicator
Brand: Northeast Controls Inc.

Flanged Bulls-Eye SFI — ANSI 150#, 300# and 600# Configurations

The AKF-F is a flanged sight flow indicator designed to provide instant visual confirmation of process flow in liquid service lines. Its robust cast body and multiple internal indicator options make it suitable for demanding industrial environments.

Available in ANSI flange ratings of 150#, 300#, and 600#. Bodies are available in Bronze, Iron, Carbon Steel, and Stainless Steel. Special alloys are available upon request. Nominal sizes range from ½″ through 14″.

No power, signal wiring, calibration, or electronics required — providing clear, dependable visual confirmation without instrumentation.

Specifications

Connection:: ANSI Flanged — Standard raised-face
Pressure Ratings:: 150#, 300#, 600#
Size Range:: ½″ through 14″
Body Materials:: Bronze, Iron, Carbon Steel, Stainless Steel
Standard Glass:: Borosilicate
Glass Options:: Fused glass available
Visibility Options:: Plain (AKF-FP), Drip Tube (AKF-FD), Flapper (AKF-FF), Rotator (AKF-FR)
Dual Window:: Available
Mounting:: Vertical or horizontal (application dependent)

Dimensions — Plain View (AKF-FP) — 150# ANSI

Model	Nominal Size	A (in)	B (in)	C (in)	D (in)
AKF-FP-½	½″	4-5/8	1-1/4	½	3-15/16
AKF-FP-¾	¾″	4-5/8	1-1/4	¾	3-15/16
AKF-FP-1	1″	5-5/8	1-1/2	1	4-1/2
AKF-FP-1¼	1¼″	6-1/2	2-3/8	1-1/4	5-3/4
AKF-FP-1½	1½″	6-1/2	2-3/8	1-1/2	5-3/4
AKF-FP-2	2″	7-7/8	2-7/8	2	7-3/8
AKF-FP-2½	2½″	9-3/8	3-3/4	2-1/2	8-15/16
AKF-FP-3	3″	9-3/8	3-3/4	3	8-15/16
AKF-FP-4	4″	11	4-3/4	4	9-1/2
AKF-FP-6	6″	14-1/4	7	6	13-9/16
AKF-FP-8	8″	16-1/8	9	8	18-1/16
AKF-FP-10	10″	24-3/4	10	10	25
AKF-FP-12	12″	25-3/4	11	12	26-5/8
AKF-FP-14	14″	26-3/4	11	14	27-1/2