6-14
July 2004
Argonite
®
Engineered Fire Suppression System
38-KFSARG-000
6-7.1
Flow Restrictor
Size 1/2", 1" and 1½" restrictors are brass; 2" restrictor is stainless steel. See Figure 6-17
and Table 6-9 below.
CONNECTION FOR DISTRIBUTION
PIPE WORK
STAMPED WITH PART NO.
STAMPED WITH ORIFICE DIA.
(IN MM)
NPT
NPT
Figure 6-17. Threaded Restrictor
Table 6-9. Threaded Restrictor Details
Part Number
Description
38-050003-XXX
1/2" Brass Restrictor Code 3.5 to 7.5
38-100003-XXX
1" Brass Restrictor Code 5.0 to 13.0
38-150003-XXX
1½" Brass Restrictor Code 8.5 to 22.0
38-200003-XXX
2" St. Steel Restrictor Code 11.5 to 27.0
Note: When ordering, specify an 11-digit hyphenated part number, the restrictor part number plus the three-digit orifice code
(e.g., 38-100003-070 to order a line restrictor, orifice code 7.0).