SUN HYDRAULICS
RBACWAV

$74.76 USD

SUN HYDRAULICS
Material:RBACWAV
Model:RBAC-WAV
Summary:Cartridge

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***Disclaimer: The following summary contains information gathered from various sources such as product descriptions, technical specifications and catalogs. While efforts have been made to provide accurate details, inaccuracies may occur. It is advised to verify all information by contacting Sun Hydraulics directly.***
The Sun Hydraulics RBACWAV (Material Number: RBACWAV) is a direct-acting pilot relief cartridge designed to remotely control the pressure setting of other pilot-operated valves. This component is ideal for use in load holding applications and systems with phosphate ester fluids, provided it is configured with EPDM seals. It features a main stage orifice protected by a 150-micron stainless steel screen and incorporates Sun's floating style construction to prevent internal parts binding due to excessive installation torque or machining variations. The cartridge is suitable for corrosive environments, available with external stainless steel components or zinc-nickel plating. The RBACWAV offers a capacity of 0.25 gpm (1 L/min) and can handle a maximum operating pressure of 5000 psi (350 bar). It has a typical response time of 2 milliseconds and maximum valve leakage at 110 SUS (24 cSt) of 5 drops/minute (0.3 cc/min). The valve's setting can be adjusted using W or Y controls, which allow full-range adjustability unless a special setting is specified as the maximum limit. Installation requires specific torque settings: valve hex size is 7/8 inch (22.2 mm), with an installation torque range of 30-35 lbf-ft (41-47 Nm). Adjustment screw internal hex size is 5/32 inch (4 mm), while the locknut hex size is 9/16 inch (15 mm) with locknut torque set between 80-90 lbf-in (9-10 Nm). Weighing approximately .30 lb (.15 kg), this cartridge suits various hydraulic applications where precise pressure control and robustness are essential.

Description

Direct-acting, pilot relief cartridges are used to remotely control the pressure setting of other pilot-operated valves. Because capacity is limited to pilot flow, these valves should be used with other higher flow valves.

Cartridges configured with EPDM seals are for use in systems with phosphate ester fluids. Exposure to petroleum based fluids, greases and lubricants will damage the seals.
Main stage orifice is protected by a 150 micron stainless steel screen.
Suitable for use in load holding applications.
Back pressure on the tank port (port 2) is directly additive to the valve setting at a 1:1 ratio.
W and Y controls (where applicable) can be specified with or without a special setting. When no special setting is specified, the valve is adjustable throughout its full range using the W or Y control. When a special setting is specified, this setting represents the maximum setting of the valve.
Corrosion resistant cartridge valves are intended for use in corrosive environments and are identified by the model code suffix /AP for external stainless steel components, or /LH for external zinc-nickel plated components. See the CONFIGURATION section for all options. For further details, please see the Materials of Construction page located under TECH RESOURCES.
Incorporates the Sun floating style construction to minimize the possibility of internal parts binding due to excessive installation torque and/or cavity/cartridge machining variations.

Cavity	T-10A
Series	1
Capacity	.25 gpm1 L/min.
Maximum Operating Pressure	5000 psi350 bar
Response Time - Typical	2 ms2 ms
Maximum Valve Leakage at 110 SUS (24 cSt)	5 drops/min.0,3 cc/min.
Adjustment - Number of Clockwise Turns to Increase Setting	55
Valve Hex Size	7/8 in.22,2 mm
Valve Installation Torque	30 - 35 lbf ft41 - 47 Nm
Adjustment Screw Internal Hex Size	5/32 in.4 mm
Locknut Hex Size	9/16 in.15 mm
Locknut Torque	80 - 90 lbf in.9 - 10 Nm
Model Weight	.30 lb0,15 kg
Seal kit - Cartridge	Viton: 990-010-006

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Additional Resources

Notes:

For Series 1 cartridges configured with an O control (panel mount handknob), a .75 in. (19 mm) diameter hole is required in the panel.

Direct acting or pilot operated - what do I use?	Direct-acting valves are used to prevent over pressure, and pilot-operated valves are used to regulate pressure. If you are unsure, use a direct-acting valve. Sun's direct acting valves are very fast, dirt tolerant, stable, and robust. Sun's pilot-operated valves are moderately fast, they have a low pressure rise vs. flow curve, and they are easy to adjust.
Where would I use a kick-down relief?	One graphic example is on a portable grain auger for silos. When the farmer gets caught in the auger the kick-down relief trips and allows him to escape.
What are the tolerances on pressure settings for Sun's pressure control valves?	Pressure setting tolerances are listed in our Performance Data page. A link to this page can also be found in the Additional Resources tab of the applicable product page.
How big is a drop of hydraulic oil?	There are exactly 250 Sun drops in a cubic inch or 15 in a cc.
Can I use a kick-down relief for my system relief?	Maybe not. We build in a good amount of overlap in the kick-down reliefs to prevent false tripping. This means they are not as fast as our standard pilot-operated reliefs. A direct-acting relief valve set just above the kick-down relief valve would be good insurance.

SUN HYDRAULICSRBACWAV

Additional Resources

SUN HYDRAULICS
RBACWAV