Page 122 - Suttner Product Catalog - 2025-2026

UNLOADERS

ST-265 UNLOADER VALVE (pressure compensating)
ORDER # PRESSURE TEMP. FLOW RATE
200265500 1000 - 5070 PSI 176° F 13 GPM
INLET OUTLET BYPASS WEIGHT
3/8" FPT 3/8" FPT 3/8" FPT 2.10 lb

ST-265S UNLOADER VALVE (pressure compensating)
#200265500 (with switch)
ORDER # PRESSURE TEMP. FLOW RATE
200265550 1000 - 5070 PSI 176° F 13 GPM
INLET OUTLET BYPASS WEIGHT
3/8" FPT 3/8" FPT 3/8" FPT 2.10 lb
• Equipped with a ball check valve.
• Fatigue-free spring.
• Valve components made of high-grade stainless steel and ceramic.
#200265550 • Repair Kit: #200265430

NEW! ST-275 UNLOADER VALVES (7250 psi)
ORDER # PRESSURE TEMP. FLOW RATE WEIGHT
200275550 7250 PSI 194° F 10.5 GPM 2.73 lb
200275500 7250 PSI 194° F 10.5 GPM 2.86 lb
INLET OUTLET BYPASS
3/8" FPT 1/2" FPT 3/8" FPT
Repair Kit: #200265430

#200275550 #200275500
with switch

ST-280 UNLOADER VALVE (4060 psi)
ORDER # PRESSURE TEMP. FLOW RATE INLET
200280510 500 - 4060 PSI 176° F 8 GPM 3/8" FPT
OUTLET BYPASS WEIGHT BOX QTY
3/8" FPT 1/4" FPT 1.80 lb 20
Repair Kits: #200280646
#200280530
#200280650
• Multi gun operational.

ST-280.2 UNLOADER VALVE (with 2 bypass plugs, 4060 psi)
ORDER # PRESSURE TEMP. FLOW RATE INLET
200280511 500 - 4060 PSI 176° F 8 GPM 3/8" FPT
OUTLET BYPASS WEIGHT
3/8" FPT 1/4" FPT 1.80 lb
Repair Kits: #200280646
#200280530
#200280650
• Multi gun operational.
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122 SUTTNER AMERICA COMPANY