10 Installation, Operations & Maintenance Manual
Figure 2. Pump Operation With By-Pass Port Closed
Accuracy
±1% steady state accuracy over 10:1 turndown
Drive
Hydraulic bypass design allows adjustment from 0
to 100% of rated capacity while stopped or running
Liquid End
High performance check valves
Diaphragm
Hydraulically actuated Diaphragm provides 96000
hours of long life in comparison with Mechanically
actuated Diaphragm (15000 to 20000 hours).
Relief Valve
Adjustable internal relief valve
Capacity Control
Micrometer ...............................................standard
Electronic ....................4–20 mA
Pneumatic ....................3–15 psi
Stroke Length
Models mRoy C, D, E, F............. 0.7” (1.78 cm)
Models mRoy K, L, R ...................... 1.5” (3.81 cm)
SECTION 1 - GENERAL DESCRIPTION
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General
