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Technical Data Sheet

D48UU-3/4-1 — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D48UU-3/4-1: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY BODY, style_designator: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS., flow_control_device: DISK, valve_operation_method: AUTOMATIC, media_for_which_designed: GAS, INERT SINGLE RESPONSE, opening_pressure_setting: 400.0 POUNDS PER SQUARE INCH LBS. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-311-9461, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
D48UU-3/4-1
NSN: 4820-01-311-9461
FSC: 4820 — Valves, Nonpowered
CAGE: 65079 — DANCO VALVE COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY BODY
style_designatorSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
flow_control_deviceDISK
valve_operation_methodAUTOMATIC
media_for_which_designedGAS, INERT SINGLE RESPONSE
opening_pressure_setting400.0 POUNDS PER SQUARE INCH LBS
NSN4820-01-311-9461
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D48UU-3/4-1 · OEM ⚠ 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: DISK
•
STYLE DESIGNATOR: STRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
•
MEDIA FOR WHICH DESIGNED: GAS, INERT SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY BODY
•
OPENING PRESSURE SETTING: 400.0 POUNDS PER SQUARE INCH LBS
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
STYLE DESIGNATORSTRAIGHT THRU NOTE: TO BE USED FOR VALVE BODIES OF SEPARABLE SECTIONS.
MEDIA FOR WHICH DESIGNEDGAS, INERT SINGLE RESPONSE
MATERIALCOPPER ALLOY BODY
OPENING PRESSURE SETTING400.0 POUNDS PER SQUARE INCH LBS
VALVE OPERATION METHODAUTOMATIC
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 2
MIL-V-22549Reference document
Same NSN cross-reference
Reference document — Identification reference
D48UU-12-16-01Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D48UU-3/4-1?
D48UU-3/4-1 is a VALVE,SAFETY RELIEF.
What parts can replace D48UU-3/4-1?
There are 2 known substitutes for D48UU-3/4-1: MIL-V-22549, D48UU-12-16-01. Substitute compatibility should be verified for your specific system.
What is the NSN for D48UU-3/4-1?
D48UU-3/4-1 is cataloged in the U.S. Government catalog under NSN 4820-01-311-9461. This indicates validated use in U.S. government and defense supply chains.
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