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SD501 — VALVE,REGULATING,FLUID PRESSURE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

SD501: VALVE,REGULATING,FLUID PRESSURE.

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: COPPER ALLOY FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, mounting_facility: FLANGE, flow_control_device: DISK, GUIDED. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-911-9745, 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
SD501
NSN: 4820-00-911-9745
FSC: 4820 — Valves, Nonpowered
CAGE: 38508 — DESCO CORP MARSH BELLOFRAM DIV (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialCOPPER ALLOY FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
mounting_facilityFLANGE
flow_control_deviceDISK, GUIDED
valve_loading_methodSPRING
end_connection_quantity2
media_for_which_designedWATER
renewable_seat_ring_typeANY ACCEPTABLE
first_end_connection_typePLAIN FACE FLANGE
first_end_flange_thickness0.250 INCHES NOMINAL IN
NSN4820-00-911-9745
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: SD501 · 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
•
FIRST END BOLT HOLE QUANTITY: 6
•
FLOW CONTROL DEVICE: DISK, GUIDED
•
RENEWABLE SEAT RING TYPE: ANY ACCEPTABLE
•
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
•
BODY STYLE: STRAIGHT THRU
•
REGULATION TYPE: AUTOMATIC SINGLE STAGE
•
FIRST END FLANGE THICKNESS: 0.250 INCHES NOMINAL IN
•
FIRST END STYLE DESIGNATOR: PLAIN
TECHNICAL CHARACTERISTICS
FIRST END BOLT HOLE QUANTITY6
FLOW CONTROL DEVICEDISK, GUIDED
RENEWABLE SEAT RING TYPEANY ACCEPTABLE
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END FLANGE THICKNESS0.250 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORPLAIN
END CONNECTION QUANTITY2
VALVE LOADING METHODSPRING
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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SD501?
SD501 is a VALVE,REGULATING,FLUID PRESSURE.
What is the NSN for SD501?
SD501 is cataloged in the U.S. Government catalog under NSN 4820-00-911-9745. This indicates validated use in U.S. government and defense supply chains.
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