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Technical Data Sheet
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509E211RY — VALVE,SAFETY RELIEF

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

509E211RY: VALVE,SAFETY RELIEF.

The VALVE,SAFETY RELIEF is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 4820-01-278-6233, 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
509E211RY
NSN: 4820-01-278-6233
NIINs: 012786233, 013835560
FSC: 4820 — Valves, Nonpowered
CAGE: 0BR59 — SIEMENS GOVERNMENT TECHNOLOGIES, INC. DBA SGT DRESSER-RAND DIV SGT DRESSER-RAND (USA)
SPECIFICATIONS
Part Number509E211RY
NSN4820-01-278-6233
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 509E211RY · 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
SUBSTITUTES & CROSS-REFERENCES 1
101C282FB-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 509E211RY?
509E211RY is a VALVE,SAFETY RELIEF.
What parts can replace 509E211RY?
There is 1 known substitute for 509E211RY: 101C282FB-1. Substitute compatibility should be verified for your specific system.
What is the NSN for 509E211RY?
509E211RY is cataloged in the U.S. Government catalog under NSN 4820-01-278-6233. This indicates validated use in U.S. government and defense supply chains.
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