NAVY MIL-PRF-32152-2005 CLOSURE HVAC BUTTERFLY TYPE SHIPBOARD SERVICE《船用蝶型HVAC闭合》.pdf

1、Comments, suggestions, or questions on this document should be addressed to: Commander, Naval Sea Systems Command, ATTN: SEA 05Q, 1333 Isaac Hull Avenue, SE, Stop 5160, Washington Navy Yard DC 20376-5160 or emailed to commandstandardsnavsea.navy.mil, with the subject line “Document Comment”. Since c

2、ontact information can change, you may want to verify the currency of this address information using the ASSIST Online database at http:/assist.daps.dla.mil. AMSC N/A FSC 4820 INCH-POUND MIL-PRF-32152(SH) 11 April 2005 PERFORMANCE SPECIFICATION CLOSURE, HVAC, BUTTERFLY TYPE, SHIPBOARD SERVICE This s

3、pecification is approved for use by the Naval Sea Systems Command and is available for use by all Departments and Agencies of the Department of Defense. 1. SCOPE 1.1 Scope. This specification describes watertight, fire resistant butterfly closures used in heating ventilation and air conditioning (HV

4、AC) systems onboard Naval surface ships. 1.2 Classification. Closures are of the following styles, types, sizes, and structures as specified (see 6.2): 1.2.1 Styles. The styles of butterfly closures are as follows: Style R - Round Style K - Flat Oval 1.2.2 Types. The types of butterfly closures are

5、as follows: Type I - Handle operated Type II - Handwheel operated Type III - Motor operated 1.2.3 Sizes. The sizes of butterfly closures are as follows: Style R nominal size in inches Style K nominal size in inches 2 12 31 (7x3) 3 14 32 (8x4) 3 16 33 (9x5) 4 18 34 (11x6) 5 20 35 (13x7) 6 24 36 (16x8

6、) 8 30 37 (20x9) 10 36 38 (24x10) 39 (24x10) 40 (30x16) 41 (30x20) Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32152(SH) 2 1.2.4 Structure. The structure code of butterfly closures is as follows: Nonmagnetic structure (NM) or the option t

7、o be not applicable (NA). 1.3 Part or identifying number (PIN). PINs to be used for watertight, fire resistant butterfly closures acquired to this specification are created as follows: M 32152 - X X XXX XX Prefix for Military Specification Specification Number Style (see code below) Type (see code b

8、elow) Size (see code below) Structure (see code below) Style Code Type Code Size Code Structure Code Style Code Type Code Size Code 1/Structure Code R R I 1 Style R only Nonmagnetic NM K K II 2 2 02H Not applicable NA III 3 3 03W 3 03H 4 04W 5 05W 6 06W 8 08W 10 10W 12 12W 14 14W 16 16W 18 18W 20 20

9、W 24 24W 30 30W 36 36W Style K only 31 (7x3) 31W 32 (8x4) 32W 33 (9x5) 33W 34 (11x6) 34W 35 (13x7) 35W 36 (16x8) 36W 37 (20x9) 37W 38 (24x10) 38W 39 (24x10) 39W 40 (30x16) 40W 41 (30x20) 41W NOTE: 1/“W” denotes a whole number; “H” denotes the fraction “”. Examples: M32152-R202HNM M32152-K338WNA Prov

10、ided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32152(SH) 3 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are specified in sections 3, 4, or 5 of this specification. This section does not include documents cited in oth

11、er sections of this specification or recommended for additional information or as examples. While every effort has been made to ensure the completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, or 5 of this specific

12、ation, whether or not they are listed. 2.2 Government documents. 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cit

13、ed in the solicitation or contract. DEPARTMENT OF DEFENSE SPECIFICATIONS DOD-V-24657 - Valve Actuator, Direct Coupled, Gear Driven Electrically Powered for Naval Shipboard Propulsion and Auxiliary Systems (Metric) MIL-S-901 - Shock Tests, H.I. (High-Impact) Shipboard Machinery, Equipment, and System

14、s, Requirements For DEPARTMENT OF DEFENSE STANDARDS MIL-STD-167-1 - Mechanical Vibrations of Shipboard Equipment (Type IEnvironmental and Type II Internally Excited) MIL-STD-798 - Nondestructive Testing, Welding, Quality Control, Material Control and Identification and HI-Shock Test Requirements for

15、 Piping System Components for Naval Shipboard Use MIL-STD-889 - Dissimilar Metals MIL-STD-1399-300 - Interface Standard for Shipboard Systems, Electric Power, Alternating Current (Metric) MIL-STD-2142 - Magnetic Silencing Characteristics, Measurement Of (Metric) (Copies of these documents are availa

16、ble online at http:/assist.daps.dla.mil/quicksearch/ or http:/assist.daps.dla.mil or from the Standardization Document Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094.) 2.2.2 Other Government documents, drawings, and publications. The following other Government documents, dr

17、awings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. NAVSEA TECHNICAL PUBLICATION S9074-AR-GIB-010/278 - Requirements for Fabrication, Welding and Inspection, C

18、asting Inspection and Repair for Machinery, Piping and Pressure Vessels (Copies of this document are available from the Naval Inventory Control Point, 700 Robbins Avenue, Attn: Code 0862 (Cash Sale), Philadelphia, PA 19111 or online at www.nll.navsup.navy.mil.) Provided by IHSNot for ResaleNo reprod

19、uction or networking permitted without license from IHS-,-,-MIL-PRF-32152(SH) 4 NAVSEA DRAWINGS NAVSEA 803-1385620 - Handwheels for Valves NAVSEA 804-1749102 - Ventilation Closure Watertight and Fire-Resistant Model “R” Round NAVSEA 804-1749103 - Ventilation Closure Watertight and Fire Resistant Mod

20、el “K” Flat Oval (Copies of these drawings are available from the Naval Inventory Control Point, 700 Robbins Avenue, Attn: Code 0862 (Cash Sale), Philadelphia, PA 19111 or online at www.nll.navsup.navy.mil.) 2.3 Non-Government publications. The following documents form a part of this document to the

21、 extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the solicitation or contract. AIR MOVEMENT AND CONTROL ASSOCIATION (AMCA) INTERNATIONAL, INC. AMCA 500 - Test Methods for Louvers, Dampers, and Shutters (DoD adopted) (Copies of this document are a

22、vailable from the Air Movement and Control Association, Inc., 30 West University Drive, Arlington Heights, IL 60004 or online at www.amca.org.) AMERICAN WELDING SOCIETY (AWS) B2.1 - Welding Procedure and Performance Qualifications, Standard for (DoD adopted) B2.2 - Brazing Procedure and Performance

23、Qualification, Standard for (DoD adopted) (Copies of these documents are available from the American Welding Society, 550 NW LeJeune Road, Miami, FL 33216 or online at www.aws.org.) ASME INTERNATIONAL ASME B1.1 - Unified Inch Screw Threads, UN and UNR Thread Form (DoD adopted) ASME B18.2.1 - Square

24、and Hex Bolts and Screws, Inch Series (DoD adopted) (Copies of these documents are available from ASME International, 22 Law Drive, P.O. Box 2900, Fairfield, NJ 07007-2900 or online at www.asme.org.) ASTM INTERNATIONAL ASTM F1166 - Standard Practice for Human Engineering Design for Marine Systems, E

25、quipment and Facilities (DoD adopted) (Copies of this document are available from ASTM International, 100 Barr Harbor Drive, West Conshohocken, PA 19428-2959 or online at www.astm.org.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references cited her

26、ein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. 3. REQUIREMENTS 3.1 First article. When specified (see 6.2), a sample shall be subjected to first article inspection in accord

27、ance with 4.2. 3.2 Materials. Materials which are not inherently corrosion resistant are prohibited. Cast iron shall not be used. Material degraded during the fabrication process shall be normalized to restore corrosion-resisting properties before being assembled in the closure. Selected materials s

28、hall be capable of meeting all of the operational and environmental requirements specified herein. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32152(SH) 5 3.2.1 Hazardous material. Materials for use in the construction of closures shall h

29、ave no effect on the health of personnel when the materials are used for intended purpose. Regardless of other requirements, materials and parts containing asbestos, cadmium, lithium, mercury, or radioactive material shall not be used. 3.2.2 Fasteners. Material for bolts, nuts, screws, and similar f

30、asteners that are not inherently corrosion resistant are prohibited. Self-tapping sheet metal screws shall not be used. 3.2.3 Dissimilar metals. The closure shall not be degraded due to electrolysis in accordance with MIL-STD-889. 3.2.4 Nonmagnetic material. When nonmagnetic closures are specified (

31、see 6.2), parts shall be fabricated of nonmagnetic material which has a maximum relative permeability of less than 2.0 after fabrication. 3.2.5 Gasket material. Seals shall be heat and moisture resistant. Recommend primary seals be elastomer and secondary seals be intumescent. 3.2.6 Recycled, recove

32、red, or environmentally preferable materials. Recycled, recovered, or environmentally preferable materials should be used to the maximum extent possible, provided that the material meets or exceeds the operational and maintenance requirements, and promotes economically advantageous life cycle costs.

33、 3.3 Painting. Closure and component items shall be painted if specified (see 6.2). 3.4 Welding and allied processes. Surfaces of parts to be welded or brazed shall be free from rust, scale, paint, grease, and other foreign matter. Welding and allied processes shall be performed by personnel certifi

34、ed to AWS B2.1 and B2.2. NAVSEA Technical Publication S9074-AR-GIB-010/278 shall be used for guidance. 3.5 Identification plates. Each closure shall be provided with a permanent corrosion-resistant identification plate. The method of attachment for the identification plate shall be permanent and cor

35、rosion-resistant. The plate shall contain the following information: a. National stock number (NSN) b. Manufacturers name, commercial and government entity (CAGE), and part number c. PIN code d. Contract or order number e. Preferred flow direction arrow 3.6 Interchangeability. In no case shall parts

36、 be physically interchangeable or reversible unless such parts are also interchangeable with regard to function, performance, and strength. 3.7 Workmanship. The closure shall be free from defects that affect appearance and operation. Sharp edges, burrs, and other imperfections shall be removed from

37、all parts subject to contact with personnel to prevent cuts during repair and maintenance. Closure edges shall be square and fasteners shall be in place and secure. 3.8 Human engineering. ASTM F1166 shall be utilized as a guideline in applying human engineering design criteria for the closure. 3.9 M

38、aintainability. The closure shall be constructed so that: a. Disc seals are replaceable without removing stem-disc assembly. b. Disassembly can be accomplished using commonly available tools and without removal of closure body from ductwork. 3.10 Standardization requirements. 3.10.1 Sizes. Sizes of

39、Style R closures and dimensions necessary to ensure interchangeability between manufacturers are shown on Figure 1. Sizes of Style K closures and dimensions to ensure interchangeability between manufacturers are shown on Figure 2. Examples of butterfly closures previously supplied to the U.S. Navy a

40、re shown in NAVSEA drawings 804-1749102 and 804-1749103. Provided by IHSNot for ResaleNo reproduction or networking permitted without license from IHS-,-,-MIL-PRF-32152(SH) 6 3.10.2 Closure, operators. All closures shall be designed to permit the use of manual handwheel or electrical type operators.

41、 In addition, sizes R2 through R6 and sizes K31 through K34 shall also permit the use of handle operators. Maximum allowable dimensions are shown on Figure 3. 3.10.3 Closure body. The closure body shall be designed for installation between bolted duct flanges without the use of additional flange gas

42、kets. Closure body seals shall provide for watertightness of flange to closure connection under shock, vibration, and fire. Seals shall be replaceable. 3.10.3.1 Alignment and retention. Means shall be provided for aligning and retaining the closure between companion duct flanges. An acceptable metho

43、d is shown on Figure 1 for Style R closures and Figure 2 for Style K closures. 3.10.4 Disc. Closures shall be designed for adequate disc to duct clearance for the inside duct diameter “A” to ensure there is no interference between the disc and adjacent components. 3.10.5 Duct to closure flange. Duct

44、 to closure flange requirements are indicated in Figures 4 and 5. 3.10.6 Operator rotation. Clockwise rotation of handwheels and handles shall be designed to close the closure. 3.11 Design requirements. Each closure assembly shall consist of closure body, disc, stems, gaskets, packing, bushings and

45、or bearings and seals and mounting surface for operators. 3.11.1 Seats. The sealing mechanism shall be part of the disc. The disc and sealing mechanism shall provide closure watertightness under shock, vibration, and fire. Seats shall be replaceable. 3.11.2 Seal. The disc seal shall be replaceable w

46、ithout removing the stem-disc assembly and shall be reversible or designed to physically preclude improper installation. 3.11.3 Position indicator. All closures shall be provided with a local position indicator. 3.12 Performance requirements. 3.12.1 Stem bushings. Stem bushings shall be non-seizing

47、after exposure to a fire. 3.12.2 Stem seals. Stem seals shall be watertight and fire-resistant. 3.12.3 Overtravel. Closure design shall prevent disc overtravel to ensure positive watertight seating of disc. 3.12.4 Electrical operator. Electrical operator conforming to DOD-V-24657 shall be provided w

48、ith a manual handwheel override and shall be manually operable before and after a 30-minute fire. (see Figure A-1) 3.12.5 Flow performance. Maximum pressure loss for air at 70 F and 2500 fpm flowing through the closure shall be 0.37 inches water for Style R closure in a duct and 0.13 inches water fo

49、r Style K closure in duct. 3.12.6 Closing torque. Closures shall be capable of being closed by an electrical operator, or by the clockwise movement of a handle operator, or by the handwheel of an operator. Closures shall seat in accordance with 3.12.8 with a maximum pull of 60 pounds force on the rim of the handwheel (NAVSEA drawing 803-1385620) or at a point 2 inches less than the length of the handle (effective length). The handwheel/handle