Tyco STAR Model A - Page 2

STAR SPRINKLER INC.
Page 2
2-4.1.10
FIGURE 2
MODEL A PREACTION VALVE
3 INCH (DN80) ASSEMBLY
DIFFERENTIAL
ASSEMBLY
VALVE PLUNGER
29
38
39
29
26
25
30
35
26
27
40
33
28
32
37
36
34, 41
31
1
6
4
5
17
20
24
7
9
11
10
2
CLAPPER
ASSEMBLY
8
19 1816
18
22
23
14 1213
3, 41
8
21
NO. DESCRIPTION....QTY. PART
1 Valve Body & Seat
Assembly........ 1 NR
2 Body .......... 1 NR
3 SeatRing* ....... 1 NR
4 Handhole Cover .... 1 #3003
5 Handhole Cover Bolt,
5/8"-11UNC x 1-3/4" . . 6 #1020-8
6 Handhole Cover
Gasket ......... 1 #5583
7 Clapper Arm ...... 1 #5842
8 HingePin........ 2 #5603
9 Clapper ......... 1 #5850
10 Washer......... 1 #1891-01
11 CapScrew....... 1 #1014-54
12 Neutral Chamber
Nipple ......... 1 NR
13 Packing Gland ..... 1 NR
14 GlandPacking..... 4 NR
16 Clapper Latch Pawl . . 1 #5579
17 Clapper Latch Spring . 1 #5582
18 CotterPin ....... 2 #1007-50
19 Clapper Latch
HingePin........ 1 #5580
20 Clapper Latch
Hinge Pin
Retainer ........ 1 #5596
21 Retaining Lever .... 1 #5621
22 Water Seat Disc .... 1 #5634
23 Disc Retaining Ring . . 1 #5637
24 AirSeatDisc...... 1 #5827
25 Differential Valve
Housing ........ 1 #5573
26 Differential Valve
HousingGasket .... 2 #5577
27 Differential Valve
HousingCover..... 1 #5574
28 Differential Valve
Housing Cover Bolt,
5/8"-11UNC x 3-1/2" . . 4 #1020-27
29 RollPin......... 2 #1893-02
30 Differential Valve
Seat .......... 1 NR
31 Differential Valve
Plunger ......... 1 #5572
32 Differential Valve
Plunger Nose ..... 1 #5622
33 Differential Valve
Spring ......... 1 #5576
34 Differential Valve
Plunger O-Ring** . . . 1 #5831
35 Differential Valve
SeatO-Ring ...... 1 NR
36 Differential Valve
Disc........... 1 #5578
37 Differential Valve
Inner Disc Retainer . . 1 #5636
38 Differential Valve
Outer Disc Retainer . . 1 #5616
39 Differential Valve
Plunger Locknut .... 1 #5620
40 Restrictor Assembly . . 1 #5633-01
41 1.5 g Dow Corning
FS3452 Flurosilicone
Grease......... 2 #923021641
* Requires an application of Item 41 in the
groove that accepts the Water Seat Disc
** Requires thin film of Item 41
NR — Not Replaceable
OBSOLETE