DROPSA nano Progressive Replaceable Руководство по эксплуатации и техническому обслуживанию - Страница 2

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1. INTRODUCTION

This operation and maintenance manual refers to "nPR – nano Progressive Replaceable". This divider allows

lubrication systems to distribute oil and grease with working pressure up to 300bar (4350psi).

You can obtain the latest release of this document by contacting a Dropsa sales office or distributor or by visiting us on

the World Wide Web at http://www.dropsa.com.

The installation and use of this product must be qualified staff with basic hydraulics and (in the case of sensor

devices) electrical knowledge.

This manual contains important information on health and safety issues for the personnel. It is recommended to

attentively read this manual and carefully keep it in good condition so that it is always available to personnel requiring

to consult it.

2. GENERAL DESCRIPTION

is a oil or grease divider valve that allows, through the progressive movement of spools, partition the

nPR

inlet flow in precise quantities to a number of different outputs available.

The lubrication cycle can be controlled and monitored by a single sensor (nPr is prepared for the use of

various types of sensors) mounted on any metering elements.

These metering elements may be used in different system configurations and have different working

configurations that make them flexible for use in multiple applications. The compactness makes them

particularly suitable for use in small areas. nPr uses an innovative rail & lock concept to allow the element to

be replaced or re-organized without the need to completely dismantle the assembly. This is an industry first

for segmented progressive dividers allowing quick easy modification or replacement of an assembly element

without the cost of a separate base porting module.

3. CARATTERISTICHE TECNICHE

"nPR – nano Progressive Replaceable"

Single outlet flow rate

Number of divider elements

Working pressure

Working temperature

Material

Number of inversion at minute

Inlet thread

Outlet thread

Lubricants

N.B.:

The pressure is directly proportional to the number of cycles.

The oil and grease viscosity values must always refer to the equivalent viscosity at operating temperature.

4. DIVIDER BLOCKS AND LABELLING

Each divider is composed of a minimum of 3 elements up to a maximum of 12. At the metering elements must be

added the initial and the end elements with fixing screws. Besides there are different necessary components for

cycle monitoring, for merge or to separate the outputs of dividers, to specify working pressure etc.

4.1 INLET ELEMENT

The Inlet element is available with two different fixing hole centers in order to allow easy interchangeability with

existing models.

PART NUMBER

0645647

INLET nPR- "nano Progressive Replaceable"

0645648

INLET nPR- "nano Progressive Replaceable" S - 20mm wheelbase reduced

product has the following general characteristics:

0.0015 cu.inch – 0.0027 cu.inch – 0.0045 cu.inch - 0.0064 cu.inch (0,025cm³ -

0,045cm³ - 0,075cm³ - 0,105cm³)

3 ÷ 12

15bar (218psi) ÷ 300bar (4350psi)

-20°C ÷ +80°C

Nickel-plated steel

200 max.

G1/8" – UNI ISO 228/1

Oil min. 32 cSt – grease max. 2 NLGI

DESCRIPTION