MAR 2018 GFV-305 (Formerly H-3) Page 7 of 11
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FIGURE 8: OPTIONAL ACCELERATOR TRIM ARRANGEMENT
ITEM
NO.
PART
NO.
DESCRIPTION QTY.
15 300120-D 3 1/2" AIR GAUGE (250PSI) 1
20 311403-G 1/2" GALV. UNION 1
27 317397 1/2" Y-STRAINER 1
41 311794-R "1/2"" BALL VALVE MxM - RED 1
46 310304-G 1/2" x 3" GALV. NIPPLE 1
54 310302-G 1/2" x 2" GALV. NIPPLE 1
55 310101-G 1/4" x 1 1/2" GALV. NIPPLE 1
57 311303-G 1/2" GALV. TEE 1
58 300400 GLOBE MODEL "C" ACCELERATOR 1
59 310300-G 1/2" CLOSE GALV. NIPPLE 2
63 323340 MODEL "D" ANTI-FLOODING DEVICE 1
65 320506 ø.125 RESTRICTED ORIFICE 1
70 311213-G 1/2" x 1/4" GALV. ELBOW 1
4" ACCELERATOR TRIM ARRANGEMENT
ITEM
NO.
PART
NO.
DESCRIPTION QTY.
15 300120-D 3 1/2" AIR GAUGE (250PSI) 1
20 311403-G 1/2" GALV. UNION 1
27 317397 1/2" Y-STRAINER 1
41 311794-R 1/2" BALL VALVE MxM - RED 1
54 310302-G 1/2" x 2" GALV. NIPPLE 1
55 310101-G 1/4" x 1 1/2" GALV. NIPPLE 1
57 311303-G 1/2" GALV. TEE 1
58 300400 GLOBE MODEL "C" ACCELERATOR 1
59 310300-G 1/2" CLOSE GALV. NIPPLE 3
63 323340 MODEL "D" ANTI-FLOODING DEVICE 1
65 320506 ø.125 RESTRICTED ORIFICE 1
70 311213-G 1/2" x 1/4" GALV. ELBOW 1
6" ACCELERATOR TRIM ARRANGEMENT
B
A
B
A
• NOTE: FITTINGS LABELED
A AND B ARE INCLUDED ON
DRY TRIM, TIE IN ACCEL-
ERATOR TRIM AT THESE
LOCATIONS
• NOTE: FITTINGS LABELED
A AND B ARE INCLUDED ON
DRY TRIM, TIE IN ACCEL-
ERATOR TRIM AT THESE
LOCATIONS
ACCELERATOR TRIM
The accelerator trim comes in three different options. If the
valve is ordered pre-assembled the appropriate trim con-
guration will be added to the dry valve trim according to
Figure 4 or Figure 5 respectively. If the accelerator trim is
ordered as a separate trim kit, the kit will include all of the
necessary parts and pieces to construct either the 4" or 6"
arrangement. Therefore there is only one part number for
the 4" and 6" accelerator assembly trim kit.
The dry system trim is approved with the Model C mechani-
cal accelerator. See Technical Datasheet H-8 for more
information on the antiood device and mechanical accel-
erator.