UNLOADERS, INJECTORS, VALVES & GUAGES REGULATOR / UNLOADER - ST-280 n PSI: 3600 n GPM: 8.0 n Temperature: 175°F n Brass Housing, Stainless-Steel Valve n 3/8" FPT Inlet, Outlet and 1/4" FPT Bypass n Weight: 22.5 oz PART NO. 8.712-674.0 8.701-655.0 8.701-654.0 8.701-653.0 OLD NO. 462680 088536 088535 088534 DESCRIPTION ST-280 Seat Repair Kit “D” Piston Seal Kit “C” Poppet Repair Kit UNLOADER - AR BOLT-ON n PSI Rated Pressure: 2600 n Fits XT and XM Series Pumps n 1/2" F Inlet n 3/8" M Outlet GPM 8 8 8 8 PSI 3600 3600 3600 3600 UNLOADERS - PRESSURE-ACTUATED n PSI: 800-3000 n GPM: 13.0 n Temperature: 160°F n Bellville Spring Washers Minimize Spikes n Forged-Brass Bodies, Stainless Ball and Seat n Four 1/4" Side Ports Enchance Versatility n 1/2" FPT Inlet, Outlet and Bypass Ports n Weight: 57.3 oz PART NO. OLD NO. 8.712-709.0 462934 8.712-710.0 462935 8.712-711.0 462937 8.712-708.0 462933 MODEL NO. 22910 22911 22912 22913 8.722-137.0 G012099 Repair Kit GPM 13 13 13 13 13 PSI 800 1400 2400 3000 SPRING Silver Yellow Red Orange UNLOADERS - PRESSURE-ACTUATED PART NO. 8.712-582.0 8.712-564.0 OLD NO. 462228 8.712-573.0 462243 8.712-576.0 462246 8.712-575.0 462245 DESCRIPTION GPM AR20608 AR20821 AR20890 AR21039 AR21040 BYPASS 3.0-5.5 AL, No Injector AL, No Injector 2.0-5.0 2.0-3.0 AL, Adj Injector Brass, Adj Injector Brass, ADj Injector 2.0-3.0 3.0-4.0 8.720-676.0 AR002812 Seal Kit Note: AR has discontinued the Combiset unloaders. Use Mini-Mate unloaders as replacements. For 22 mm twist coupler outlet models, add Part No. 8.709-546.0 (3/8” x 22 mm) to injector outlet. UNLOADERS - GYMATIC PART NO. n PSI Rated Pressure: 3650 n GPM: 3.0-5.5 n Fits XT and XM Series Pumps n 3/8" M Outlet 8.712-705.0 8.712-706.0 OLD NO. 462927 462928 MODEL NO. GPM 22760APM 8 22765APM 5 UNLOADERS - PRESSURE-ACTUATED PART NO. OLD NO. 8.712-565.0 462229 8.712-563.0 462226 8.712-574.0 462244 8.712-567.0 462233 8.712-568.0 462235 8.712-569.0 462236 8.720-642.0 AR002611 n PSI Max: 4000 n GPM: 5.0 PART NO. OLD NO. 8.712-583.0 462255 n PSI Max: 4000 n GPM: 5.0 PART NO. OLD NO. 8.720-903.0 AR20992 DESCRIPTION INLET AR20242 AR20242G AR20081 AR20082 AR20399 AR20400 1/2” F without Injector 3/4” GHF without Injector 1/2” M Fixed Injector #1, 2-3 gal 1/2” M Fixed Injector #2 1/2” M Adj Injector #1, 2-3 gal 1/2” M Adj Injector #2 Repair Kit n 1/2" M Inlet n 3/8" M NPT AR21669 n Brass Bypass n Without Injector DESCRIPTION INLET 1/2” M n 1/2" F Inlet n 3/8" M Outlet AR20992G OUTLET 3/8” M NPT n Brass Bypass DESCRIPTION INLET 1/2” F OUTLET 3/8” M Specifications, product descriptions and product availability subject to change without notice. 183 PART NO. 8.712-698.0 8.712-701.0 8.712-702.0 8.712-703.0 8.722-204.0 OLD NO. 462909 462913 462914 462915 G022666 n Temperature: 160°F n Unloads pressure in entire system when in bypass n Forged-Bronze Body, Stainless-Steel Seat n 3/8" FPT Inlet, 3/8" MPT Outlet n 1/2" FPT Bypass PSI 3000 4000 8.712-705.0 8.712-706.0 n Temperature: 160°F n Unloads pressure in entire system when in bypass n Forged-Brass Bodies n Stainless-Steel Seat n 3/8" FPT Inlet n 3/8" FPT Outlet n 1/4" FPT Bypass MODEL NO. GPM 22650 22654 22655 22656 Seal Kit PSI 3.0-4.5 3.5-4.8 4.5-5.5 4.5-6.5 0-3000 3000-4000 0-3000 0-3000
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