SAINT-GOBAIN MDP 50, Operating Instructions Manual

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Thank you for selecting a SAINT-GOBAIN PERFORMANCE PLASTICS model MDP 50 pump.
I – General
I.1 – Introduction
The model MDP 50 is a pneumatically operated PFA/PTFE dosing pump.
The pump is designed for dosing of chemicals.
I.2 – Materials
All wetted parts are manufactured from PFA and PTFE.
I.3 – Operation description
In this pneumatically operated dosing pump, there is a PTFE rolling diaphragm connected to a piston
by a shaft. During the suction cycle, air/nitrogen enters the piston. On discharge cycle air/pressure is
released and a spring pushes forward the piston.
The pump is self-priming and has check valves.
The pump stroke volume is adjusted manually with a fine adjustable stem at the top of the pump.
The pump speed varies with operating conditions ( air pressure, viscosity, density….)
I.4 – Pump data
The main characteristics of the MPD 50 pump are:
•
Repeatability +/- 1%
•
Dispense volume per shot 0 to 0,5 mL
•
Dispense speed 0 to 0,5 mL/s max
• Delivery pressure 4.3 psig (0.3 bar) max at 70 psig (4.8 bar) air actuation
• Air/nitrogen pressure 50-70 psig (3,4-4,8 bar)
•
Suction height 2 feet (0,6m) based on water
•
Product viscosity 50 cPo max
•
Liquid temperature 41°F to 180°F (5°C to 82°C)
•
Ambient temperature 32°F to 120°F (0°C to 50°C)
• Fluid connection 1/4" Flare Grip II®
•
Pump air connection 1/8” BSPT
•
Weight of the pump 435g
II – Quick Checklist
II.1 – Shipment
Pump is cleaned, sealed in plastic bag, and packed in an individual carton.
II.2 – Reception
On receipt of the pump, check:
•
The carton has not been damaged in transit. If there are signs of damage, you should report this
immediately to the carrier.