Product Description
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. What's included: a four-function valve (except high-flow remote control pumps, models 74514-50 and -55), 16-ft polyethylene tubing, foot valve/strainer, and 8-ft power cord with molded plug. Service kits include a replacement diaphragm, seal, four pump head screws, and check valves.
- Remote Control Pumps
- 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
- Product Type: Diaphragm Metering Pumps
- Wetted parts: PVC head and fittings, ceramic balls, Fluorofilm diaphragm, PVDF/Polyprel seal ring
- Max pressure: 100 psi
- Max flow rate (mL/min): 158
- Min flow rate (mL/min): 0.79
- Dimensions: 13-7/8"L x 5-3/4"W x 10-7/8"H
- Pump type: Diaphragm
- Power (VAC): 115
- Power (Hz): 50/60
- Power (Amps): 3.5
- Manufacturer number: B721-398 SI
- Port size: 3/8" OD
- Suction lift (dry): 5 ft
- Model: B721-398 SI
- Max temperature (° C): 60
- Max temperature (° F): 140
- Accuracy: ±2%
- Part Number: AO-74514-20
- Package Quantity: EACH
