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VR4100 — VALVE,CHECK

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VR4100: VALVE,CHECK.

The VALVE,CHECK is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, media_for_which_designed: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE, part_name_assigned_by_controlling_agency: VAPOR RETURN VALVE. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-562-7283, 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
VR4100
NSN: 4820-01-562-7283
FSC: 4820 — Valves, Nonpowered
CAGE: 72661 — DIXON VALVE & COUPLING COMPANY, LLC DIV DIXON FIRE (USA)
SPECIFICATIONS
materialALUMINUM BODY
special_features4 IN. VAPOR RETURN VALVE ALLOWS TRANSFER OF UNDERGROUND STORAGE TANK VAPOR TO THE TANKER COMPARTMENTS DURING THE OFF LOADING OF PETROLEUM; 4 IN. BY 4 IN. NPT IN
media_for_which_designedHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
part_name_assigned_by_controlling_agencyVAPOR RETURN VALVE
NSN4820-01-562-7283
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VR4100 · 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
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
•
MATERIAL: ALUMINUM BODY
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES4 IN. VAPOR RETURN VALVE ALLOWS TRANSFER OF UNDERGROUND STORAGE TANK VAPOR TO THE TANKER COMPARTMENTS DURING THE OFF LOADING OF PETROLEUM; 4 IN. BY 4 IN. NPT IN
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PETROLEUM BASE SINGLE RESPONSE
PART NAME ASSIGNED BY CONTROLLING AGENCYVAPOR RETURN VALVE
MATERIALALUMINUM BODY
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 VR4100?
VR4100 is a VALVE,CHECK.
What is the NSN for VR4100?
VR4100 is cataloged in the U.S. Government catalog under NSN 4820-01-562-7283. This indicates validated use in U.S. government and defense supply chains.
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