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Series 21

Series 21
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DIRECT ACTING SOLENOID OPERATED STACKABLE DIRECTIONAL CONTROL VALVE • O'RING PORTS to eliminate leakage. • POWER BEYOND CAPABILITY to fit your multi-valve circuits. • PRECISION HONED SPOOL BORE provides consistent spool fit with low leakage. • ENCLOSED SOLENOIDS & CONNECTIONS eliminate exposure to the elements. • INDIVIDUAL LOAD CHECK built into each section to prevent the load from dropping when the • ALL SECTIONS & ASSEMBLIES ARE 100% TESTED including both internal & external leakage & flow tests. • OPTIONAL LEVER HANDLES for manual control when power is lost. • COMBINABLE WITH SERIES 20 MANUAL VALVE for increased versatility. • 6 gpm Nominal Capacity (see flow chart). • Pressure Ratings • 10 Micron Filtration Recommended. • Assembly Torque = 85 inch-lbs. (9.6 N m) • Spool Leakage = Less than 1.5 - 2.0 in3 (25 • Port Sizes -Inlet/outlet #6SAE (9/16-18) • Cast Iron Body. • Buna N O'Rings (standard). • Stress Proof Tie Rods

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SERIES 21 – GENERAL INFORMATION: The Brand, Series 21 Direct Acting Solenoid Operated Stackable Directional Control Valves are assembled to meet our customer’s requirements for up to six individual applications per assembly. Brand Hydraulics does not charge anything extra for this process, an assembly is priced solely on the overall sum of the prices of its components. When assembled in their normal manner the Series 21 spool sections are in parallel. When the spools are in the neutral position flow passes by each spool and then onto the tank (outlet) port. If two or more spools are shifted...

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SERIES 21 – GENERAL INFORMATION CONT… ASSEMBLY – Model codes and list prices for complete assemblies will be issued by the factory, upon request of an authorized Brand Distributor. All model codes so issued become proprietary to the requesting distributor. Model codes so issued will not be descriptive in nature, but shall be of sequential numerical type. Individual sections and accessories can be purchased so that custom valve stacks may be assembled or modified outside the factory. SERIES 21 – CREATING A MODEL CODE FOR SERIES 21: INLET SECTION: 2 0 P G __ __ __ PORTING: 1 – End port (not...

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SERIES 21 – CREATING A MODEL CODE FOR SERIES 21 CONT… OUTLET SECTION: 2 0 T G __ __ PORTING: 1 – End port (not convertible) 2 – Top port (convertible to end or side port) 3 – Side port (convertible to top or end port) ELECTRIC WORK SECTION: OPTION: Omit – No options W – Power beyond cartridge used with top port (2) call out C – Closed center cartridge used with top port (2) call out SPOOL TYPE: T4 – Tandem four-way T3 – Tandem three-way O4 – Open four-way ACTUATORS: E – Electric control only L – Lever control and electric control M – Push pin style manual override and electric control...

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Stackable 4-Way Directional Control SERIES 21 - COMPLETE LIST OF OPTIONS AND ACCESSORIES CONT... tank core. The down side to this section is that pressures are additive and pressure rating of valve is reduced to 3000 psi (207 bar) because the tank core is seeing system pressure. This section must be installed between two spool sections to put them in series. (0.656" [16.7mm] casting width) Note: Inlet section with relief ("B" option) must have porting option"4" with 2500 psi relief setting. Relief is set in 100 psi increments. relief setting. Relief is set in 100 psi increments. requires...

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DIMENSIONAL DATA: Inches & [millimeters] PUSH PIN MANUAL OVERRIDE DEUTSCH DT04-3P INLET #6 SAE END PORT WORK PORTS #6 SAE STANDARD 3X MOUNTING SLOT O.30" [7.6] WIDE INLET #6 SAE SIDE PORT INLET #6 SAE SIDE PORT MOUNTING SLOT PUSH PIN MANUAL OVERRIDE 20PG2B20 ADJUSTABLE RELIEF MH (SEE CHART) OL (SEE CHART)

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