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Series 4000 液压膜片泵

Hydraulically Actuated Diaphragm




The AQUFLOW® Series 4000 is a rugged, compact, hydraulically actuated diaphragm metering pump. The pump is available in simplex or duplex configuration, with independent capacity adjustment for each pumphead.

All drive parts are fully enclosed and operate in an oil bath which minimizes friction and wear while providing protection from harsh environments. A self-compensating hydraulic system assures diaphragm position and eliminates the need for troublesome vacuum breakers and refill valve.

The easy to read micrometer knob enables convenient capacity adjustment between 0-100% while the pump is operating or stopped. In addition to manual control, the pump can be supplied with optional automatic capacity control, making it possible for the pump to control the flow rate in proportion to various process signals. A simple, externally adjustable, internal hydraulic relief valve protects the pump and the process from pump induced overpressure situations.

Features:
• Design Capacities of 22.6 to 3,530 GPH
• Discharge Pressures to 3,500 PSIG
• Metering Accuracy of ±1%
• 10:1 Turndown via Stroke Length
• Internal Hydraulic Relief Valve
• Modular Design With Multiple Options
• Specifically Matched Accessories

Capacity
(GPH)
 
Pressure
(PSIG)
 
Speed
(SPM)
 
Plunger
Diameter
Connection
(MNPT)
22.6
36.0
45.0
72.0
 
3,500 44
70
88
140
 
7/8" 1-1/4"
38.5
61.5
77.0
123
 
2000 44
70
88
140
 
1-1/8" 1-1/4"
79.5
126
159
253
 
1000 44
70
88
140
 
1-9/16" 2-1/2"
210
335
421
671
 
370 44
70
88
140
 
2-1/2" 2-1/2"
304
485
609
970
 
295 44
70
88
140
 
3" 4"
554
882
1109
1765
 
160 44
70
88
140
 
4" 4"