Catalogs >
BRAND HYDRAULICS >
Series38

Series38
10Pages

Catalog excerpts

ELECTRIC SECTIONAL DIRECTIONAL CONTROL VALVE PRECISION GROUND HEAT TREATED SPOOL assures long life. DIAMOND HONED SPOOL BORE provides consistent spool fit with low leakage. O'RTNG PORTS to eliminate leakage. OIL GROOVES on the spool provide smooth spool motion. PILOT CARTRIDGE assures positive force to shift spool. 24 gpm (90.7 1pm) Nominal Capacity (see flow chart). MATERIALS: 3500 psi (241 bar). . Cast Iron Body. 100 psi (6.9 bar) max tank pressure. . Heat Treated Steel Spools. 12 sections max (consult factory for more). . Buna N Q'Rings (standard). 10 Micron Filtration Recommended. . stress Proof Steel Tie Rods. Assembly Torque = 85 inch-lbs. (9.6 N m). Spool Leakage = Less than 0.50 in3 (819 cm3) at 1000 psi (69 bar) -High spool section = 6.5 lbs. (2.9 kg). -Above weights include cartridge, coil, and reliefs. Port Sizes -Inlet / Outlet #10SAE (7/8 - 14). Coil -1.25 amp Inrush current. -1.00 Steadv state current.

Open the catalog to page 1

SERIES 38 – GENERAL INFORMATION: The Brand, Series 38 electric sectional directional control valves are assembled to meet our customer’s requirements for up to twelve individual applications per assembly. Brand Hydraulics does not charge extra for this assembly process, an assembly is priced solely on the overall sum of the prices of its components. The Series 38 is available with electric unloading in the inlet section. The flow goes directly to tank in the neutral condition. Neutral flow does not pass through the spool sections; therefore, the neutral pressure drop to tank remains low and...

Open the catalog to page 2

SERIES 38 – GENERAL INFORMATION CONT… HIGH SPOOL SECTIONS – offer the same options as listed for the low sections with the addition of individual port reliefs. Three types of reliefs are offered for high sections machined with port relief cavities, ball spring (B), area-differential (R), or area-differential with anti-cavitation check (C). The high section can also be made with a pilot-operated double lock (38BL2G). END SPOOL SECTIONS – are the last spool section of an assembly. The end section is not an outlet and it does not have cross-holes drilled all the way through the casting....

Open the catalog to page 3

EXAMPLES OF COMMON MODEL CODES CONT… HIGH SPOOL SECTION WITH PORT RELIEF: 38BHGXR20R15…...….. Blocked spool, center section, area-differential set at 2000 psi (138 bar) on port A, area-differential set at 1500 psi (103 bar) on port B, and spring center. 38BHGXB20P………….. Blocked spool, center section, high lift ball spring relief set at 2000 psi (138 bar) on port A, port B has a cavity plug (no relief), and spring center. 38BHGXC20P…………..Blocked spool, center section, combo area-differential & anti-cavitation relief set at 2000 psi (138 bar) on port A, port B has a cavity plug (no relief),...

Open the catalog to page 4

SERIES 38 – CREATING A MODEL CODE FOR SERIES 38 CONT… HIGH SPOOL SECTION WITH DOUBLE LOCKS: 3 8 B L 2 G __ __ __ __ __ SPOOL: Y – Open X – Blocked END SECTION: Omit – Center section B – End section W – End section, used with auto unloading and power beyond (36TG2WA) OPTIONS: A – Automatic unloading C – Clevis use w/ closed inlet CA – Clevis use w/ automatic unloading H – Manual handle use w/ closed inlet HA – Manual handle use w/ automatic unloading M – Manual override stroke control. Choose (A) or (B) port or both. O – Spring offset NW – No wire through spool D – Spring center (P to A) /...

Open the catalog to page 5

Seal kit for high section with relief. Seal kit to rebuild between sections. Seal kit to rebuild between electric/manual sections. Seal kit for the body, locks and between the sections. Seal kit for inlet. Seal kit for High lift ball spring relief (B), Combo. differ. port relief & anti-cavitation check (C), and Area differ. port relief (R).

Open the catalog to page 6

SERIES 38 FLOW AND PRESSURE INFO: Pressure vs. Flow for Inlet Relief Pressure Drop vs. Flow for S36 Relief Flow (lpm) Pressures taken from one spool double lock section. The pressure drop is the difference between the inlet pressure and the pressure at port A or B of noted section. 6 Spools 3 Spools 1 Spool Neutral Flow Pressure Drop Pressure Drop vs. Flow for A or B to T Pressure drop is the difference between the pressure at the work port and the outlet pressure for noted spool section. Pressure Drop vs. Flow for P to A or B Press. Drop vs. Flow for Double Lock Sect. (Series 38) 3.8

Open the catalog to page 7

DIMENSIONAL DATA: Inches & [millimeters] RELIEF ADJUSTMENT

Open the catalog to page 8

SERIES 36/38 SWITCH WIRING DIAGRAM: THE ABOVE WIRING DIAGRAM IS FOR A THREE SPOOL VALVE. TO WIRE MORE SECTIONS, REPEAT THE WIRING FOR EACH SECTION AS NOTED. (DPDT) DOUBLE-POLE DOUBLE-THROW SWITCH(S)

Open the catalog to page 9

VALVE ASSEMBLY ARRANGEMENT: 38A______________________________________ DISTIBUTOR:_________________________________________________________________ ADDRESS:____________________________________________________________________ CITY:___________________STATE:________ZIP:_________DATE:___________________ Page E-44

Open the catalog to page 10

Series38 10Pages

Catalog excerpts

All BRAND HYDRAULICS catalogs and technical brochures

Series38
10Pages