Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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Size 8 cavity CA08A3C (3/4-16UNF2A)

Size 20 cavity CA203C3 (1’-5/8-12UN2A)

Preferred cavity UNFCavity is “FACTORY”

Size 78: max flow 40lpm, max. pressure setting 350bar

Size 42: max flow 350lpm, max pressure setting 410bar

320lpm

420bar

30lpm

350bar

DC_DK Tech Day October 24th

Full range of counterbalance valve in PIB (Parts in Body) style Full range of counterbalance valve in Cartridge style

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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VBSO-SE-30 Parts in BodyVBSN Mechanical Cartridge

UNF cavity

SUN cavity Line mounted

Flangeable

PARTS-IN-BODY SOLUTIONS

READY TO BE INSTALLED

COST EFFECTIVE

MAXIMUM FLEXIBILITY

MACHINE FINE TUNING

HIGH PERFORMANCE

CARTRIDGE SOLUTIONS

CAVITY NEEDED

EASY TO INSTALL AND SERVICE

STANDARD PERFORMANCE

One hydraulic symbol but many solution. Which the best for customer’s application?

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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Counterbalance Valves, DIFFERENTIAL AREA

Standard: Cartridge VBSNPib VBSO

Relief CompensatedCartridge VBSPPib VBSO „CC“

Air Vented - 3 PortsCartridge VBSTPib VBSO „CCAP“

Tank Vented - 4 PortsCartridge VBSY Pib VBSO „CCAP”

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – standard counterbalance

Open center Close center Tandem center

P load effected by back pressure

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – standard counterbalance effect of back pressure

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – relief compensated counterbalance

Relief function not effected by back pressure Pback

Close center Tandem center Open center

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – relief compensated counterbalance

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – fully compensated counterbalance

Close center Tandem center Open center

Setting and working pressure not effected by back pressure Pback Dangerous

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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TECHNICAL FEATURES: configurations – fully compensated counterbalance

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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Main application for PiB Load control

TCM:Boom, Arm, Extension

THL:Boom, Extension, Tilt

AWP:Boom, Arm, Extension, Jib, outriggers

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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Main application for Cartridge Hold load

Drilling:All cylinders thathold the Mast

Sweeper:Hold Tank

BHL:Front loader cylinder

Paver:Hopper cylinder

DC_DK Tech Day October 24th

Internal | DC-CH/SAL12 | 29/06/2018© Bosch Rexroth Oil Control S.p.A. 2018. All rights reserved.

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Tank you