SGA/SG product brochure

SGA/SG product brochure

SGA/SG product brochure

Product catalog summary
Overview: The document provides detailed technical specifications and descriptions for SGA and SG-dosers used in SKF DuoFlex dual-line lubrication systems. These dosers are modular and mechanically adjustable, designed for various industrial applications.
Specifications:
  • Operating Temperature: -25 to +80 °C
  • Max Pressure: 250 bar for 01 dosers, 300 bar for other dosers
  • Tightening Torque: 4–8 Nm
Dosing Modules: The dosers are available in different sizes and materials, including mild steel and stainless steel AISI-316. They cover a wide range of dosage from 0.15 to 177 g/cycle, suitable for small joints to large roller bearings.
Designation System: The dosers are identified by a specific code indicating the type, size, number of outlets, material, and additional features like indicators or special designs for silicone gears.
Baseplates: Baseplates are equipped with built-in check valves for precise dosage distribution and are available in anodized aluminum or stainless steel. They can accommodate 1 to 6 dosers.
Pressure Transmitter Assembly: The BPSG2-PTA-MOD is a modular pressure transmitter assembly for monitoring lubricant pressure, compatible with dual-line systems. It operates within a temperature range of -40 to +85 °C and a pressure range of 0–250 bar.
SKF Doser Monitor: This monitoring unit detects the movement of the doser piston and indicates status via LEDs. It operates in two modes: pulse and latching, with a temperature range of -20 to +70 °C and IP67 protection.
Important Usage Information: SKF products must be used as intended and according to instructions. Not all lubricants are suitable for centralized systems, and hazardous materials require SKF approval.
Conclusion: SKF provides comprehensive solutions for lubrication systems, ensuring high standards and global availability. The document emphasizes the importance of using products as intended and following guidelines for safe and effective operation.
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Catalog excerpts

SGA/SG product brochure-1

SGA and SG-dosers for SKF DuoFlex dual-line lubrication systems Modular and mechanically adjustable SGA and SG-dosers are used in SKF DuoFlex applications.

 Open the catalog to page 1
SGA/SG product brochure-2

The dosing modules are hydraulically operated piston units and they are installed onto baseplates. Thanks to this design, various dosing module groups can be built. There are six basic sizes of modules, cove-ring all industrial needs from small joints to large roller bearings. Dosing modules are made of zinc-coated and yellow-passivated steel or stainless steel AISI-316 L. The baseplates are made of aluminium or stainless steel AISI-316 L. Lubricant: Oil and greases NLGI 000 – 2 The type of lubrication system, SKF Duoflex Small doser (sizes 01, 1 and 2) Big doser (sizes 3, 4 and 5) Doser material,...

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SGA/SG product brochure-3

Doser measurements For all systems described in this brochure, see important product usage information on the back cover. Dosing module Dosing module VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC *Notice: Takes two places on baseplate *Notice: Takes two places on baseplate

 Open the catalog to page 3
SGA/SG product brochure-4

Baseplate The baseplates contain built-in check valves to ensure the precise dosage distribution. Standard baseplates are available for groups of 1 to 6 dosers. *Notice: Built-in check valve VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC VGAC Type of lubrication system, Dualline grease lubrication 1-place baseplate 2-place baseplate 3-place baseplate 4-place baseplate 5-place baseplate 6-place baseplate Baseplate material, anodized aluminum Base plate material, stainless steel AISI 316 Connections, BSPP female threads Connections, NPT-female th

 Open the catalog to page 4
SGA/SG product brochure-5

BPSG2-PTA-MOD The pressure transmitter assembly is installed on the baseplate of the doser group under the doser. The pressure transmitters, which are installed in the body of the assembly, measure the pressure the passing lubricant and the information can be monitored by the control unit. The pressure of the main lines can be monitored from the control unit. Operation temperature range Pressure range Supply voltage Output signal of a pressure transmitter Baseplate SG-doser 2-line pressure transmitter assembly Pressure Transmitter Assembly Module structure pressure trasmitter type Body material,...

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SGA/SG product brochure-6

Dosing module SKF Doser monitor is a monitoring unit for SGA- and SG-dosers in a dual-line centralized lubrication system. It senses the movement of the doser piston. LEDs indicate the status of the SKF doser monitor. SKF Doser monitor SGA-0-1 SKF Doser monitor SGA-2 SKF Doser monitor SG-3-4-5 VGDV VGDV VGDV SKF Doser monitor junction box SKF Doser monitor extension cable M 12, L=1m SKF Doser monitor extension cable M 12, L=5m* VGNB VGNB 1 yellow LED signal A: waiting status, relay contact is open 2 green LED-signal B: sensing status, relay contact is closed. Technical specifications, SKF Doser...

 Open the catalog to page 6

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.