Powers 744 Series Accritem Rigid and Remote Bulb Blind Controllers - Rigid Bulb - Manual (Page 5)

5
350
300
250 150
100
50
180
10
40
70
100
130
160
C
F
POWERS
PROCESS CONTROLS
Skokie, Il. Mississauga, Ontario
PRODUCT NO. DATE CODE ACTION
R
21 21
21
31
32
Front View of Cover
Air Operated
Water Operated
Section “A–A”
*Used in Water-Operated Controllers Only
1/4" NPT to Drain (Water Operated Only)
1/8" NPT
Air Supply
1/8" NPT
Return
Reverse-Acting
Pivot
Direct-Acting
Pivot
A A
19
18
17
10
11* 12 13 15 16
20
13 (1/2")
92
(3-5/8")
73 (2-7/8")
292 (11-1/2") 40 (1-19/32") 57 (2-1/4")
Reverse Acting Spring Location
8
Direct-Acting
Spring Location
9
Water Operated
30
17
18
2
6
3
7
1
4
5
9
8
Basic Accessory Kit No. 744-102 is included with each Accritem Controller but is not
shown. Parts included in Kit No. 744-102 are (two of each item are included):
1/8" NPT x 1-1/2" (38mm) lg. brass nipple . . . . . . . . . . . . . . . . . . . . . . . Part No. 042-513
1-1/2" (38mm) pressure gauge 0–30 psi . . . . . . . . . . . . . . . . . . . . . . . . Part No. 142-0373
1/8" NPT brass tee . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Part No. 043-351
Parts
n
1 Body — — 1 Brass
2 Cover Plate 744-170D 744-170D 1 —
3 Adjusting Knob
w/ Set Screw 744-234 744-234 1 —
4 Quad Ring — 047-043 1 —
5 Adjustment Screw 744-175 744-175 1 Brass
6 Stop Pin 744-061 744-061 1 Brass
7 Lever — — 1 Brass
8 Spring Retainer
Screw 744-124 744-124 1 Brass
9 Lever Spring 225-073 430-021
u
1 Stainless Steel
10 Cover Screw 030-041 030-041 6 Brass
11 O-Ring Not used 047-050 1 Silicone Rubber
12 Retaining Ring 100-124* 100-124** 1 Phos. Bronze
13 Valve 744-155* 744-163** 1 Phos. Bronze
15 Valve Spring 744-075* 744-075** 1 Phos. Bronze
16 Valve Seat 744-063* 744-131** s 1 Phos. Bronze
17 Restriction Screw † 744-072 744-134 s Brass
18 O-Ring 047-049 l 047-045 1 Buna-N
19 Thrust Collar — — 1 Brass
20 Sensitive Tube 744-191 744-191 Stainless Steel
Assembly 744-172 744-172 1 Sensitivity Tube
21 Lever Pivot 744-154 744-154 2 Stainless Steel
30 Insert — — 1 Stainless Steel
31 Sealing Screw — 030-895 4 Stainless Steel
32 Gasket — 744-083 4 Rubber
part Numbers
No.
item part Name Air or gas Water Req’d Material
part Numbers
No.
item part Name Air or gas Water Req’d Material
u
(Pkg. of 10)
† Also order O-ring (see item 18).
s
Material is Stainless Steel
l
Material is Silicone Rubber
* Included in Valve and Seat Kit for Model 3 (Air-Operated Accritem)
No. 744-168—parts are not available separately.
** Included in Valve and Seat Kit for Model 3 (Water-Operated Accritem)
No. 744-169—parts are not available separately.
Valve and Seat Kit for Model 3 (Air-Operated Accritem) . . . . . . . . . . 744-168
Valve and Seat Kit for Model 3 (Water-Operated Accritem) . . . . . . 744-169
Parts List
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