Type EZR
5
Table 4. Main Valve Minimum Differential Pressures
(1)
used as the pilot on single-stage pressure reducing
regulators or as the monitor pilot or working pilot in
wide-open monitor systems. The Type PRX has a
double diaphragm which provides increased accuracy
and sensitivity, an integral restrictor adjustment which
allows adjustable opening and closing speeds, and
a damper adjustment which adjusts inlet pressure
variability and loading pressure oscillations.
—Outlet pressure range of 435 to
1000 psig (30,0 to 69,0 bar). The Type PRX/120-AP
can be used as the pilot on single-stage pressure
reducing regulators, as the monitor pilot or working
pilot in wide-open monitor systems, or as the working
pilot for monitoring and working regulators in the
working monitoring systems.
—Identical to the Type PRX/120 except
the restriction screw is removed. The Type PRX/125
can only be used as the monitor override pilot on
working monitor applications.
—Identical to the Type PRX/120-AP
except the restriction screw is removed. The
Type PRX/125-AP can only be used as the monitor
override pilot on working monitor applications.
!
WARnInG
1 and 1-1/4 x 1
(25 and 32 x 25)
19B2400X012, Light Blue 17E68 and 17E88 24 (1,7) 29 (2,0) 31 (2,2) 24 (1,7) 31 (2,2) 40 (2,8)
GE12727X012, Black
17E97 35 (2,5) 38 (2,7) 42 (2,9) 35 (2,5) 39 (2,7) 52 (3,6)
17E68 and 17E88 30 (2,1) 35 (2,4) 39 (2,7) 30 (2,1) 36 (2,5) 52 (3,6)
19B2401X012,
Black with White Stripe
(3)
17E88 and 17E97 43 (3,0) 50 (3,4) 56 (3,9) 43 (3,0) 53 (3,7) 68 (4,7)
2 x 1 (50 x 25)
19B2400X012, Light Blue 17E68 and 17E88 24 (1,7) 29 (2,0) 31 (2,2) 24 (1,7) 31 (2,2) 40 (2,8)
19B2401X012,
Black with White Stripe
17E97 43 (3,0) 50 (3,4) 56 (3,9) 43 (3,0) 53 (3,7) 68 (4,7)
17E68 and 17E88 43 (3,0) 50 (3,4) 56 (3,9) 43 (3,0) 53 (3,7) 68 (4,7)
GE12501X012,
Red Stripe
(3)
17E97 68 (4,7) 73 (5,0) 88 (6,1) 72 (5,0) 81 (5,6) 102 (7,0)
2 (50)
19B0951X012, Yellow
(2)
17E68 and 17E88 12 (0,83) 15 (1,0) 15 (1,0) 12 (0,83) 25 (1,7) 20 (1,4)
18B2126X012, Green
17E97 24 (1,7) 25 (1,7) 26 (1,8) 24 (1,7) 30 (2,1) 37 (2,6)
17E68 and 17E88 18 (1,2) 20 (1,4) 22 (1,5) 19 (1,3) 26 (1,8) 28 (1,9)
18B5955X012, Red
(3)
GE05504X012, Purple
(3)
17E88 and 17E97 29 (2,0) 29 (2,0) 31 (2,1) 31 (2,1) 35 (2,4) 43 (3,03)
3 (80)
T14184T0012, Yellow
(2)
17E68, 17E88, and 17E97 16 (1,1) 19 (1,3) 24 (1,7) 23 (1,6) 23 (1,6) 29 (2,0)
19B0781X012, Light Blue
17E97 23 (1,6) 23 (1,6) 23 (1,6) 23 (1,6) 23 (1,6) 25 (1,7)
17E68 and 17E88 21 (1,5) 22 (1,5) 28 (1,9) 28 (1,9) 28 (1,9) 33 (2,3)
19B0782X012, Black
(3)
17E88 and 17E97 32 (2,2) 33 (2,3) 43 (3,0) 38 (2,6) 38 (2,6) 50 (3,4)
4, 6 x 4, and, 8 x 4
(100, 150 x 100,
and 200 x 100)
T14184T0012, Yellow
(2)
17E68, 17E88, and 17E97 10 (0,69) 12 (0,83) 14 (0,97) 25 (1,7) 25 (1,7) 25 (1,7)
18B8501X012, Green
17E97 16 (1,1) 17 (1,2) 21 (1,5) 34 (2,3) 34 (2,3) 34 (2,3)
17E68 and 17E88 16 (1,1) 17 (1,2) 20 (1,4) 30 (2,1) 30 (2,1) 30 (2,1)
18B8502X012, Red
(3)
17E88 and 17E97 21 (1,5) 24 (1,7) 26 (1,8) 40 (2,8) 40 (2,8) 40 (2,8)
6, 8 x 6, and
12 x 6
(150, 200 x 150,
and 300 x 150)
19B0364X012, Yellow
(2)
17E97 10 (0,69) 11 (0,76) 14 (0,97) 12 (0,83) 16 (1,1) 16 (1,1)
17E88 10 (0,69) 13 (0,90) 13 (0,90) 12 (0,83) 21 (1,5) 21 (1,5)
19B0366X012, Green
17E97 14 (0,97) 22 (1,5) 22 (1,5) 19 (1,3) 29 (2,0) 29 (2,0)
17E88 17 (1,2) 21 (1,5) 21 (1,5) 20 (1,4) 36 (2,5) 36 (2,5)
19B0365X012, Red
(3)
17E88 and 17E97 23 (1,6) 29 (2,0) 29 (2,0) 30 (2,1) 41 (2,8) 41 (2,8)
8 (200)
GE09393X012, Yellow
(2)
17E97
16 (1,1)
- - - - - - - -
19 (1,3)
- - - - - - - -
GE09396X012, Green 20 (1,4) 23 (1,6)
GE09397X012, Red
(3)
26 (1,8) 30 (2,1)
1. See Table 1 for structural design ratings, Table 3 for pilot ratings, and Table 10 for maximum pressure ratings.
2. The white and yellow springs are only recommended for inlet pressures under 100 psig (6,9 bar).
3. The red, black, purple, red stripe, and black with white stripe springs are only recommended for applications where the maximum inlet pressure can exceed 500 psig (34,5 bar).
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