Morgan DS Series Pneumatic Chemical Injectors

The plunger is made of hardened 17-4 PH stainless steel. A protective coat of titanium nitride adds superior abrasion resistance and chemical compatibility for a longer service life.
Hand tightened lock ring provides easy access to plunger and seal maintenance
The spring is made of 17-7 SS and coated with Teflon for an extended service life
The plunger is separate from the air piston and can be replaced independently at one third the cost of replacing both.
Standard ceramic check valve balls have a longer service life than standard stainless steel balls.
All pumps require TR1 Timing Relay, TR2 Timing Relay or electronic solenoid valve
Model 425DS, 435DS, 4755DS and 4500DS pumps require SR2S snap action relay
Model 800DS, 1255DS, 5500DS and 8500DS require SR2S snap action relay
Maximum stroke rate for all pumps is 50 SPM. Exception 800DS and larger 35 SPM

Model (No Timer)	Pump Ratio	Plunger Displacement	Stroke Length (in.)	Connections In/Out (NPT)	Maximum Pressure	Output Per/Hr(Gal.)
55DS	54:1	.2 cc	3/4”	¼-M / ¼-F	8100 PSI	.01 – .12
125DS	31:1	.8 cc	1”	¼-M / ¼-F	4650 PSI	.06 – .63
225DS	69:1	.8 cc	1”	¼-M / ¼-F	10,000 PSI	.06 – .63
325DS	122:1	.8 cc	1”	¼-M / ¼-F	15,000 PSI	.06 – .63
425DS	217:1	.8 cc	1”	¼-M / ¼-F	15,000 PSI	.06 – .63
235DS	31:1	1.8 cc	1”	¼-M / ¼-F	4650 PSI	.15 – 1.5
335DS	54:1	1.8 cc	1”	¼-M / ¼-F	8100 PSI	.15 – 1.5
435DS	97:1	1.8 cc	1”	¼-M / ¼-F	10,000 PSI	.15 – 1.5
275DS	17:1	3.2 cc	1”	½-M / ¼-F	2550 PSI	.25 – 2.5
375DS	31:1	3.2 cc	1”	½-M / ¼-F	4650 PSI	.25 – 2.5
475DS	54:1	3.2 cc	1”	½-M / ¼-F	8100 PSI	.25 – 2.5
3755DS	14:1	7.2 cc	1”	¾-M / ½-F	2100 PSI	.56 – 5.6
4755DS	24:1	7.2 cc	1”	¾-M / ½-F	3600 PSI	.56 – 5.6
3500DS	8:1	12.8 cc	1”	¾-M / ½-F	1200 PSI	1 – 10
4500DS	14:1	12.8 cc	1”	¾-M / ½-F	2100 PSI	1 – 10
880DS	31:1	19.7 cc	2”	¾-M / ½-F	4650 PSI	1.1 – 11
1255DS	14:1	40.0 cc	2”	1 ½-M / ¾-F	2100 PSI	2.2 – 22
5500DS	6:1	154.0 cc	3.1”	1 ½-M / ¾-F	900 PSI	9 – 90
8500DS	14:1	154.0 cc	3.1”	1 ½-M / ¾-F	2100 PSI	9 – 90

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