Item Total = $0.00 
Items = 0 
View Cart
United States
1-800-358-5525 or 
Welcome,
log in or register
 

LMI Solenoid-Diaphragm Metering Remote-Control Pump, 2.5 GPH, 115 VAC

Siemens  |   Mfr# B721-398SI   |   Item# DO-74514-20

$1,261.00 USD/EACH

Are you a reseller or buying in bulk? Call us today.


  • Manually adjustable stroke length and stroke frequency provide precise control of flow rates
  • Clear face cover protects pump controls on low flow models (1 GPH and lower)
  • Chemical-resistant housing provides protection in harsh environments
An external pulse trigger can be accepted for remote stroke frequency control. Low-flow pump models (1 GPH and lower) include easy access to 4 pin connections.
Service kits include a replacement diaphragm, seal, four pump head screws, and check valves.

What's Included:
Four-function valve, 16-ft polyethylene tubing, foot valve/strainer, and 8-ft power cord with molded plug
Product Type Solenoid Diaphragm Metering Pumps
Wetted parts PVC head and fittings, ceramic balls, Fluorofilm diaphragm, PVDF/Polyprel seal ring
Max pressure (psi) 100
Max flow rate (GPH) 2.5
Min flow rate (GPH) 0.013
Min flow rate (mL/min) 0.79
Max flow rate (mL/min) 158.3
Dimensions 13-7/8"L x 5-3/4"W x 10-7/8"H
Contact closure contact closure, transistor, or opto-isolator rated for 15 VDC, 2 mA
Pump type Diaphragm
Model B721-398 SI
Qty/ea 1
Power (VAC) 115
Power (Hz) 50/60
Manufacturer number B721-398SI
Power (Amps) 3.5
Repeatability ±2%
Brand Siemens
Port size 3/8" OD
Suction lift (dry) 5 ft
Max temperature (º C) 121
Max temperature (º F) 250

Accessories
Qty/Price
Availability

at $123.00 USD/EACH

In stock.
Build a complete system




Technical Resources
 
Service & Support
Still have questions
Contact Our Experts
for FREE product
application selection
and support.
or call 1-800-358-5525
Custom Ordering Solutions
Custom Ordering Solutions
Let us find the exact product you need. We have access to suppliers full lines - for products beyond what you see here. Call 1-800-358-5525
Questions and Answers
Product Reviews