SKF SP/SFE 30/3003 Manual

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Pulse Generator

Productseries SP/SFE 30/3003

compliant with ATEX Directive 94/9/EC

for oil and grease lubrication systems

designed to consume 0,1 to 50 cm³/min

Pulse Generator SP/SFE 30/3003

General remarks

Group SP/SFE 30/3003 pulse generators

are used to monitor oil and grease volumet-

ric flow rates of 0,1 to 50 cm³/min at a

maximum permissible operating pressure of

600 bars.

Group SP/SFE 30/3003 pulse generators

are mainly used on metal-forming machines

and for the lubrication of cylinders and

compressors.

The pulse generator, a mechanical device,

does not have any potential ignition source.

The built-in floating contact can be used as

a simple electrical device in intrinsically safe

circuits in accordance with DIN EN 60079-

11, Section 5.7.

The pulse generator can be used in zone 1

and 21 (intrinsically safe) with an Ex i

certificated electric power supply.

The limit values for the switching contact

can be found on page 3 in "Technical Data

=> Electrical System" and must not be

exceeded.

Table of Contents

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Page 1 0,1 to 50 cm³/min General remarks Pulse Generator SP/SFE 30/3003 Group SP/SFE 30/3003 pulse generators are used to monitor oil and grease volumet- ric flow rates of 0,1 to 50 cm³/min at a maximum permissible operating pressure of 600 bars.
Page 2 Pulse Generator SP/SFE 30/3003 How it works Fig. 1 The lubricant flows from the inlet port through duct K into outlet chamber D Outlet ( Fig. 1). Piston K moves to the left. The control bolt with balls E locks piston K .
Page 3 Pulse Generator SP/SFE 30/3003 Technical data Pulse generator SP/SFE 30/3003 Note! General information The customer must comply with the specific requirements Type of enclosure ....II 2G c IIC T4 Gb...
Page 4 SKF people. Important information on product usage All products from SKF may be used only for their intended purpose as described in this brochure and in any instructions. If operating instructions are supplied with the products, they must be read and followed.