PartsTable
Technical Data Sheet
MDL 30 3IN ✓ Verified by PartsTable
· GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

VALVE,REGULATING,FLUID PRESSURE. Key specifications include filter: NOT INCLUDED, material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE, body_style: STRAIGHT THRU, regulation_type: AUTOMATIC SINGLE STAGE, valve_stem_design: SINGLE SEAT, flow_control_device: DIAPHRAGM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-232-8136, 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
MDL 30 3IN
NSN: 4820-01-232-8136
FSC: 4820
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
body_styleSTRAIGHT THRU
regulation_typeAUTOMATIC SINGLE STAGE
valve_stem_designSINGLE SEAT
flow_control_deviceDIAPHRAGM
valve_loading_methodSPRING
face_to_face_distance12.500 INCHES NOMINAL IN
outlet_pressure_range90.0 TO 150.0 CAMERA MOUNT
end_connection_quantity2
media_for_which_designedWATER, SALT
first_end_connection_typePLAIN FACE FLANGE
NSN4820-01-232-8136
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS SIZE: — · — · — PN: MDL 30 3IN · 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
SECOND END RELATIONSHIP WITH FIRST END: IDENTICAL
FIRST END FLANGE THICKNESS: 1.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION: UNABLE TO DECODE
MATERIAL: NICKEL ALLOY STEM
FIRST END FLANGE OUTSIDE DIAMETER: 8.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA: 1 TYPE
BODY STYLE: STRAIGHT THRU
TECHNICAL CHARACTERISTICS (FLIS)
SECOND END RELATIONSHIP WITH FIRST ENDIDENTICAL
FIRST END FLANGE THICKNESS1.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONUNABLE TO DECODE
MATERIALNICKEL ALLOY STEM
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
FIRST END FLANGE OUTSIDE DIAMETER8.250 INCHES NOMINAL IN
NONDEFINITIVE SPEC/STD DATA1 TYPE
BODY STYLESTRAIGHT THRU
REGULATION TYPEAUTOMATIC SINGLE STAGE
FIRST END BOLT HOLE DIAMETER0.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
30 1 1-4IN 55T120PSIInterchangeable
interchangeable cross-reference
interchangeable
30 1 1-4IN 250PInterchangeable
interchangeable cross-reference
interchangeable
N-498Interchangeable
interchangeable cross-reference
interchangeable
40406-02 4IN 25T60PSIInterchangeable
interchangeable cross-reference
interchangeable
40406-205 4IN 25T60PSIInterchangeable
interchangeable cross-reference
interchangeable
30813270Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MDL 30 3IN?
MDL 30 3IN is a VALVE,REGULATING,FLUID PRESSURE.
What parts can replace MDL 30 3IN?
There are 23 known substitutes for MDL 30 3IN: 30 1 1-4IN 55T120PSI, 30 1 1-4IN 250P, N-498 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MDL 30 3IN?
MDL 30 3IN is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-232-8136. This indicates validated use in U.S. government and defense supply chains.
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