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Technical Data Sheet
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3120-425 — VALVE,SAFETY RELIEF

✓ Government record, cited
Dell · GATE VALVE
PRODUCT OVERVIEW

3120-425: VALVE,SAFETY RELIEF.

- 80 WHr, 9-Cell Lithium-Ion battery - Powers up your system for business trips and vacations - This product has been tested and validated on Dell™ systems to ensure it will work with your computer - Supported by Dell Technical Support when used with a Dell system Power up your system for business trips and vacations with this 9-Cell Lithium-Ion Primary Battery from Dell™. With a capacity of 80 WHr, this battery lets you work seamlessly when you are on the move. Lithium-Ion batteries are longer lived than conventional batteries and do not require replacement as often.

This product has been tested and validated on Dell systems. It is supported by Dell Technical Support when used with a Dell system. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-261-9590, indicating validated use in U.S. government and defense logistics supply chains.

WHERE IT FITS
3120-425
NSN: 4820-00-261-9590
FSC: 4820 — Valves, Nonpowered
CAGE: 58553 — SUPERIOR VALVE CO (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class3A FIRST END A
connection_typeTHREADED EXTERNAL PIPE SECOND END
connection_styleFLARED (TUBE) FIRST END
special_featuresTHE END CONNECTION IDENTIFIED ABOVE AS THE SECOND END IS THE VALVE INLET
style_designatorANGLE
thread_directionRIGHT-HAND FIRST END
features_providedVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
disk_loading_methodSPRING
flow_control_devicePOPPET
nominal_thread_size0.500 INCHES SECOND END IN
NSN4820-00-261-9590
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 3120-425 · Dell ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FLOW CONTROL DEVICE: POPPET
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.500 INCHES SECOND END IN
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
STYLE DESIGNATOR: ANGLE
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.625 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEPOPPET
NOMINAL PIPE SIZE ACCOMMODATED0.500 INCHES SECOND END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
STYLE DESIGNATORANGLE
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.625 INCHES FIRST END IN
FEATURES PROVIDEDVALVE STEM LOCK SHIELD AND PRESSURE TIGHT OUTLET SIDE
THREAD DIRECTIONRIGHT-HAND SECOND END
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 1
VAL234Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 3120-425?
3120-425 is a VALVE,SAFETY RELIEF manufactured by Dell.
What parts can replace 3120-425?
There is 1 known substitute for 3120-425: VAL234. Substitute compatibility should be verified for your specific system.
What is the NSN for 3120-425?
3120-425 is cataloged in the U.S. Government catalog under NSN 4820-00-261-9590. This indicates validated use in U.S. government and defense supply chains.
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