Page 120 - Suttner Product Catalog - 2025-2026

UNLOADERS

SUTTNER’S UNLOADER VALVES FEATURES:

• Working components constructed of high-grade stainless steel.
• PTFE and Viton seals for maximum heat and chemical resistance.
• Straight flow-through design minimizes pressure loss through valve.
• Adjustable valve allows limit setting on both maximum and minimum
pressures.
• Internal bypass valve can be easily accessed and repaired .
• without removing unloader from unit.
• Visit our website to view manuals and part lists.

ST-261 UNLOADER VALVE (pressure compensating)
ORDER # PRESSURE TEMP. FLOW RATE INLET
200261500 500 - 3625 PSI 176° F 8 GPM 3/8" FPT
OUTLET BYPASS WEIGHT BOX QTY
3/8" FPT 1/4" FPT 1.34 lb 25

ST-261C UNLOADER VALVE (pressure compensating)
Lower PSI setting. Ideal for carpet cleaners.
ORDER # PRESSURE TEMP. FLOW RATE INLET
200261504 200 - 1000 PSI 176° F 8 GPM 3/8" FPT
OUTLET BYPASS WEIGHT BOX QTY
Spring for
#200261504 3/8" FPT 1/4" FPT 1.34 lb 25
Repair Kits:
Valve #200261526
Bypass #200261528

ST-261T UNLOADER VALVE
(tamperproof and pressure compensating)
Allows you to preset unloader and glue on cover so it can't be
readjusted. Ideal for rental machines.
ORDER # PRESSURE TEMP. FLOW RATE INLET
200261503 200 - 1000 PSI 176° F 8 GPM 3/8" FPT
OUTLET BYPASS WEIGHT BOX QTY
3/8" FPT 1/4" FPT 1.34 lb 25
Repair Kits:
Valve #200261526
Bypass #200261528
Replacement Cap #020000277
• Great for rental machines.

COMPLETE REPLACEMENT MICRO SWITCH

For ST-261, ST-261I, ST-261S & ST-261SI
ORDER #
200260513
• Can be installed onto the ST-261.
• Normally open in bypass.

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120 SUTTNER AMERICA COMPANY