1728 Orbit Way - Minden, Nevada 89423 P: 775-782-1700 F: 775-782-1701 info@maxtonvalve.com www.maxtonvalve.com
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PART # DESCRIPTION PART # DESCRIPTION PART # DESCRIPTION
28346MW CONTROL PLATE ASSEMBLY VALVE CLOSURE ASSY (Cont.) VALVE BODY (Cont.)
280070 Adjuster screw assembly 283240 Down leveling adjuster assembly Up seat assembly (cont.)
203400 Seal nut 233100 Snap ring 230600 Seal ring
227000 Teflon seal 233000 Lock nut 2833E4MR BPS piston & guide assy (std.)
200700 Adjuster screw 232400 Down leveling adjuster screw 232100 * Seal ring
28170D Up strainer assembly 210500 * Seal ring 2320A0 BPS piston sleeve (w/pin)
2170D0 Up strainer cap 210200 * Seal ring 28371E * Piston ring & expander assy
2363A0 Transfer line with screen 224600 Spring guide 2338MR BPS piston
210500 * Seal ring 232300 Spring 231600 Snap ring
237200 * Seal ring 232200 Sleeve 251500 Control rod
283250 Down speed adjuster assembly 233100 Snap ring
28170B Down strainer assembly 233000 Lock nut 251400 Control tube
2170C0 Down strainer cap 232500 Down speed adjuster screw 2339B0 Spring
2170B0 Down strainer base with screen 210200 * Seal ring 233600 Seal ring
210500 * Seal ring 237000 Spring 2340E4MR BPS guide (standard)
236900 Ball, 1/4” 237300 Spring guide
237200 * Seal ring 285010 DSR adjuster assembly 283430 Pump flange assy, 2” Grooved
283860 Coils bracket assembly 250200 DSR adjuster screw 232100 * Seal ring
238600 Coils bracket 250100 DSR cartridge 2362B0 Snap ring
207700 Grommet 2504A0 Sleeve 236100 Check return
207900 Ground screw 2323MR Spring 234300 Flange, 2” Grooved
247300 Washer 251700 Roll pin 235700 Spring
UT Regulator 251800 Spacer 235600 Return check rod
2379S0 Screw (1/4-28 button head) 250500 Lock nut 283580 Pump flange assy, 2” Threaded
210800 Seal ring 210200 * Seal ring 232100 * Seal ring
234400 Spring 233600 * Seal ring 2362B0 Snap ring
213400 Ball 3/16” 237200 * Seal ring 236100 Check return
DT Regulator 238500 * Seal ring 235800 Flange, 2” Threaded
2379A0 Screw (1/4-28 button head) 283010 Relief adjuster assembly 235700 Spring
210800 Seal ring Note: Available in complete closure assy only. 235600 Return check rod
234400 Spring 233000 Lock nut 28347W Regulator assembly
213400 Ball 3/16” 230400 Relief cartridge 2053W0 Up leveling speed adjuster
Control plate assy miscellaneous 237200 * Seal ring 210700 * Seal ring
282920 + Solenoid tube assembly 230100 Relief adjuster screw 2347W0 Regulator
29298A2 + Solenoid seat kit 210500 * Seal ring 212200 Spring
292950 + Solenoid ball cage kit 230200 Spring boss 214200 Spring boss
2385LC * Seal ring 230300 Spring
2372LC * Seal ring 230500 Ball retainer 28350B Regulator rod assembly
21019LC * Seal ring 236900 Ball 235200 Pipe plug
238100 Screw (#10-32) Valve closure assy miscellaneous 214100 Set screw
210800 * Seal ring 235200 Pipe plug (A & B ports) 2350B0 Regulator rod
244500 Seal plug 2379A0 Screw (1/4-28 button head)
244600 Seal plug 2107LC * Seal ring MISCELLANEOUS
210500 * Seal ring 244500 Seal plug 208880 C-Frame
208700 Spring 2105LC * Seal ring 208000 Solenoid coil 230 VAC (Green)
238000 Ball, 5/16” 208700 Spring 208100 Solenoid coil 115 VDC (Black)
2379A0 Screw 1/4-28 button head) 238000 Ball, 5/16” 2082B0 Solenoid coil 115 VAC/24 VDC (Red)
238100 Screw (#10-32 button head) 236900 Ball, 1/4” 213000 Lock ring
263900 * Seal ring 251000 Spring 212900 Screw (regulator cap)
239503 Orifice (max UA, US) (Blue) 2394MRW VALVE BODY 2139B0 Screw (control plate)
239504 Orifice (max UT) (Steel) 283070 Down / Check seat assembly 2319B0 Diffuser
239513 Orifice (max DT) (Steel) 230900 Snap ring 232900 Screw (valve closure)
239515 Orifice (UT Reg.) (Black) 230700 Down / Check seat 234200 Screw (pump flange)
231200 Spacer 2354B0 Coil cover stud
28328MRW VALVE CLOSURE ASSEMBLY 230600 Seal ring 2375B0 Coil cover
285060 Manual lower push button assy 28317E4 * Down / Check piston & guide assy 2376A0 Jam nut (coil cover)
238500 * Seal ring 232100 * Seal ring 237700 Washer (coil cover)
210800 * Seal ring 232000 Down piston sleeve 2379A0 Screw (bracket)
283330 * BPS adjuster assembly 2317A0 Down piston 235200 Pipe plug
233100 Snap ring 28371E Piston ring & expander assy
233000 Lock nut 231600 Snap ring
233300 BPS adjuster screw 231500 Spring
Notes: -
REFER TO APPLICATION FLOW CHART
FOR GUIDE SELECTION.
E1: 28338E1MR (BPS piston assembly)
28317E2MR (Down piston assembly)
E2: 28338E2MR (BPS piston assembly)
28317E3MR (Down piston assembly)
* = PARTS INCLUDED IN SEAL KIT #291540
+ = PARTS INCLUDED IN SOLENOID KIT #292920
210200 * Seal ring 204600 Snap ring
210500 * Seal ring 2314E4 Down / Check guide assy (std.)
224600 Spring guide 204500 * Seal ring
2323C0 Spring 230800 Seal retainer ring
235100 Poppit 283410 Up seat assembly
233600 Seal ring 230900 Snap ring
2353C0 Seal retainer 234100 BPS seat
EXPLODED VIEW PARTS LIST UC4MR B44
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