FOUO_XXXX Rev B_Approved.pdf

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Sheet 1 of 2

N2 HEPA Filter Specification

AS SHOWN

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Unless otherwise specified, dimensions are in inches.

Drawing dimensional and geometric tolerances per ASME Y14.5M-1994

FILE PATH

NO DEVIATIONS SHALL BE MADE

WITHOUT CODE 2310 APPROVAL

PUGET SOUND NAVAL SHIPYARD

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SIGNATURE DATE

APPROVAL

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2301-3957 Error: No referenceNA

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CHANGE BY APPROVAL

REVISIONS

SYMB REV DESCRIPTION

CODE 2310

ENGINEERING DIVISION

DISTRIBUTION STATEMENT A: Approved for public release.

SIGNATURE DATE

A.D.C. REVIEW

REVIEWER

B

SPECIFICATIONS:

1. FILTER SHALL BE ASME AG-1 FILTER SIZE DESIGNATION: FC #7

2. FILTER SHALL BE TESTED AND CERTIFIED TO BE NOT LESS THAN 99.97 % EFFICIENT, FOR PARTICLES OF CRITICAL SIZE 0.3 µM.

3. INITIAL RESISTANCE TO AIR FLOW SHALL BE A MAXIMUM OF 1.3” W. G. AT 1500 CFM (THROUGH FILTER PACK ONLY).

4. MAXIMUM OPERATING TEMPERATURE IS 250º F. MAXIMUM RELATIVE HUMIDITY IS 100%.

5. CONSTRUCTION SPECIFICATIONS:

A. FRAME HARDWARE : NONE

B. MEDIUM: FILTER MEDIA SHALL BE IN COMPLIANCE WITH ASME AG-1, FC-3130

C. PACK STYLE: FILTER PACK SHALL BE IN COMPLIANCE WITH ASME AG-1, FC-4130, TYPE A OR C D. FRAME MATERIAL: MINIMUM 14 GAGE 304 STAINLESS STEEL. AT MANUFACTURER’S DISCRETION, THICKER GAGE METAL AND/OR EXTERNAL

STIFFINERS MAY BE INSTALLED TO MINIMIZE HOUSING DEFLECTION, AFFECTING THE INTEGRITY OF THE FILTER MEDIA, AT THE MAXIMUM OPERATING PRESSURE OF NEGATIVE 30 INCHES WATER GAGE PROVIDED THE END RESULT IS THAT THE FILTER RESTS STABLE ON A FLAT

SURFACE. DEBURR ALL SHARP EDGES.

E. FLANGE MATERIAL: NONE

F. FRAME STYLE: TWO (2) NIPPLES

G. PACK TO FRAME SEALANT: SOLID URETHANE IN COMPLIANCE WITH ASME AG-1, FC-3150

H. GASKET/SEAL MATERIAL: NONE

I. FACEGUARD MATERIAL: 4X4 MESH STAINLESS STEEL IN COMPLIANCE WITH ASME AG-1, FC 3140, LOCATION: BOTH SIDES J. WORKMANSHIP: FILTER AND HOUSING SHALL BE IN ACCORDANCE WITH ASME AG-1, FC-6300 AS DETERMINED BY PSNS UPON RECEIPT.

6. TESTING SPECIFICATIONS:

A. TEST FOR RESISTANCE TO AIRFLOW AND AEROSOL PARTICLE PENETRATION IN COMPLIANCE WITH ASME AG-1, SECTION FC-5300

B. TEST FLOWS: 100% FLOW AND 20% FLOW

C. EACH FILTER HOUSING SHALL BE PRESSURIZED TO A POSITIVE PRESSURE OF BETWEEN 9 AND 11 INCHES WATER GAGE TO VERIFY LEAK

TIGHTNESS VIA A SOAP BUBBLE TEST. LEAK TIGHTNESS WILL BE INDEPENDENTLY VERIFIED BY PSNS & IMF AND ANY LEAKS IDENTIFIED WITH A SOAP BUBBLE TEST AT POSITIVE PRESSURE BETWEEN 9 AND 11 INCHES WATER GAGE ARE SUBJECT TO MATERIAL REJECTION.

7. DESIGN QUALIFICATION:

A. MATERIALS SHALL BE IN ACCORDANCE WITH ASME AG-1, SECTION FC 3000

B. CONSTRUCTION AND TESTING SHALL BE IN ACCORDANCE WITH UL 586

C. THE CONTRACTOR SHALL PROVIDE A FILTER DRAWING (DRAFT) THAT SPECIFIES THE SPECIFIC MANUFACTURING DETAILS OF THE HEPA FILTER ASSEMBLY INCLUDING ALL MATERIALS OF CONSTRUCTION AND TEST REQUIREMENTS. THE CONTRACTOR SHALL OBTAIN APPROVAL OF THE DRAWING, PRIOR TO HEPA FILTER MANUFACTURE. PUGET SOUND NAVAL SHIPYARD SHALL HAVE 10 WORKING DAYS TO EVALUATE.

8. FILTER AND PACKAGE MARKINGS SHALL BE IN ACCORDANCE WITH ASME AG-1 SECTION FC-9000.

9. FILTERS SHALL BE PACKAGED ONE FILTER PER CARTON. PACKAGING SHALL BE DESIGNED TO PROTECT FILTERS FROM DELETERIOUS EFFECTS OF

SHOCK, VIBRATION, PHYSICAL DAMAGE, WATER VAPOR, SALT SPRAY, CONDENSATION, AND WEATHER DURING SHIPPING, HANDLING, AND

STORAGE.

10. THE MANUFACTURER SHALL PROVIDE A FILTER TEST REPORT AND A CERTIFICATION OF COMPLIANCE REPORT.

5 1

A A

UPDATED SPECIFICATION BY INCLUDING PRESSURE DECAY

TEST BASED ON ACTUAL OPERATING PRESSURES SEEN,

WORKMANSHIP CRITERIA, MARKING & PACKAGING

REQUIREMENTS, AND CERTIFICATE OF COMPLIANCE.

MOVED DRAWING VIEWS TO SHEET 2.

Dennis Morgan /S/ Kindal Storm /S/

RS Lucke /S/ Kevin Bartram /S/

29 Nov 18

29 Nov 18

29 Nov 18 29 Nov 18

Kevin Bartram /S/ 29 Nov 18

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B

B

B B

UPDATED SPECIFICATION BY CALLING OUT A SOAP

BUBBLE TEST TO ALIGN WITH TESTING VENDOR

AND PSNS ALREADY PERFORMS IN 6.C.

REMOVED REQUIREMENT TO INCLUDE WEIGHT IN 7.C

BECAUSE THIS CAN BE DETERMINED VIA OTHER MEANS.

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12.00

24.00

24.00

4x4 MESH STAINLESS STEEL

FACEGUARD, (BOTH SIDES)

12.00

20.00

AIR

FLOW

NO PATCHING OF MEDIA

12.00

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36.00

8.00

TYP

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Decimals:

X.X = ±0.1

X.XX= ±0.06

X.XXX = ±0.005

X.XXXX = ±0.0005

Fractions = ±1/16 Angles = ±1/2°

Sheet 2 of 2

N2 HEPA Filter Specification

AS SHOWN

N

H E

P A

F ilt er S p ec if ic at io n

-3

Unless otherwise specified, dimensions are in inches.

Drawing dimensional and geometric tolerances per ASME Y14.5M-1994

NO DEVIATIONS SHALL BE MADE

WITHOUT CODE 2310 APPROVAL

PUGET SOUND NAVAL SHIPYARD

DRAWING NO.

TITLE

SCALE

FSR

REV.

D W

G . N

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IT

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RF #

2301-3957 NA

CODE 2310

ENGINEERING DIVISION

678910

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