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19
PRESSURE REGULATING
UNLOADER
ADJUSTABLE
CHEMICAL INJECTOR
PARTS LIST
Item
P/N MATL Description
Qty.
402
540081 BB
Cap, Hex Adjusting
1
404
31047 BB
Nut, Locking (M18x1)
1
408
32094 STZP
Spring, Coil
1
410
107672 BB
Retainer, Spring
1
412
45694 BB
Stem, Piston (M5)
1
415
20184 PTFE
Back-up-Ring, Piston Stem
1
416
14190 NBR
O-Ring, Piston Stem - 70D
1
425
107673 BB
Retainer, Piston
1
428
13969 NBR
O-Ring, Piston Retainer - 70D
3
429
14759 NBR
O-Ring, Body
1
430
107675 PTFE
Back-up-Ring, Body
1
435
45696 BB
Valve and Ball Assembly (M5)
1
436
107680 S
Seat
1
440
— BB
Body
1
441
13963 NBR
O-Ring, Valve
1
443
541060 BB
Valve, Check w/O-Ring
1
444
45924 S
Spring
1
455
45695 BB
Fitting, By-Pass (3/8" NPTF)
1
468
32097 NBR
Kit, O-Ring
(Inclds: 415,416,428,429,430,441)
1
470 7193/7194 BB
Chemical, Injector
1
Italics are optional items.
Material Codes (Not Part of Part Number): BB=Brass
NBR=Medium Nitrile (Buna-N) PTFE=Pure Polytetrafluoroethylene
S=304SS STZP=Steel/Zinc Plated
SPECIFICATIONS
Model 7500S
U.S. Measure
Metric Measure
Flow .................................................. .5-6.0 GPM
(2-23 L/M)
PSI .................................................100-2000 PSI
(7-140 BAR)
Inlet Port - Rear .....................................3/8" NPT
(3/8" NPT)
Outlet Port - Rront ................................M18 x 1.0
(M18 x 1.0)
By-Pass Port - Bottom .........................3/8" NPTF
(3/8" NPTF)
Weight ........................................................14 oz.
(0.43L)
Dimensions.................................3.0 x 1.0 x 4.25"
(76 x 25 x 108mm)
PARTS LIST
Item
P/N MATL Description
Model Used
Qty.
471
33949 NY
Cap, Adjustment
All Models
1
472
32941 BB
Hose Barb, Adjustment
All Models
1
473
33503 NBR
O-Ring, Hose Barb
All Models
1
474
33500 S
Spring
All Models
1
475
33946 BB
Retainer, Ball Seat
All Models
1
476
33504 FPM
O-Ring, Retainer
All Models
1
477
34620 SS
Ball
All Models
1
478
33501 SS
Spring, Tapered
All Models
1
479
32373 S
Orifice, Injector (2.1mm)
7193
1
32374 S
Orifice, Injector (2.3mm)
7194
1
480
— BB
Body
All Models
1
481
33481 BB
Barb, Assy Adjustable
7193, 7194
1
(Includes: 471-478)
482
13969 NBR
O-Ring, Body - 70D
All Models
1
Italics are optional items.
Material Codes (Not Part of Part Number):
BB=Brass FPM=Fluorocarbon NBR=Medium Nitrile (Buna-N)
NY=Nylon S=304SS SS=316SS
SPECIFICATIONS
Models
7193
7194
Flow......................................................2 GPM
3 GPM
Nozzle Orifice .......................................2.1mm
2.3mm
Hose Barb .................................................1/4"
1/4"
Inlet port...........................................M18 x 1.0
M18 x 1.0
Outlet port .....................................3/8" NPTM
3/8" NPTM
Dimensions.......................................2 x 1 x 3"
2 x 1 x 3"
Weight ..................................................6.3 oz.
6.3 oz.
CHEMICAL INJECTOR PERFORMANCE CHART
Optional Special Ported Chemical Injector for Unloader Mounting
Lo-Pressure
Hi-Pressure
Nozzle
Nozzle
Injector
(Max. Injecting
Max. Chemical
“Deduction”
Orifice
SF
Press. Less Hose
Draw (0 PSI)
(Pressure drop
Model
Size
Injector
Friction Loss)
(Downstream) across injector)
2X1000
2.1 mm std.
7193
100 PSI
50 oz. / min
75 PSI
2X1500
2.1 mm std.
7193
100 PSI
50 oz. / min
75 PSI
3X1000
2.1 mm opt.
7193
225 PSI
50 oz. / min
150 PSI
3X1250
2.3 mm std.
7194
150 PSI
50 oz. / min
125 PSI