中国农行股票2244(jing2244)

2021年4月26日发(作者：博威合金博威合金(601137))

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Copyright 1991 Society of Automotive Engineers, Inc.
All rights d in U.S.A.

SAE |价值投资网 J22442 (ISO 6149-2) Issued DEC91
—This part of SAE J2244 specifies dimensions, performance requirements, and test procedures for
metric adjustable and 友好集团股票 nonadjustable heavy-duty (S series) stud ends and O-rings.
Stud ends in accordance with this part of SAE J2244 may be used at working pressures up to 63 MPa for
nonadjustable stud ends and 40 MPa for adjustable stud ends. The permissible working pressure depends
upon materials, design, working conditions, application, etc.
For threaded ports and stud ends for use in new designs in hydraulic fluid power applications, only SAE J2244
shall be used. Threaded ports and stud ends in accordance with ISO 1179, ISO 9974, and SAE J1926 (ISO
11926) shall not be used for new designs in hydraulic fluid power applications.
Conformance to the dimensional information |中国金控集团 in this standard does not guarantee rated performance. Each
manufacturer shall perform testing according to the specification contained in 炒股操作技巧 this standard to ensure that
components made to this standard comply with the performance ratings.
2.
2.1
References
Applicable Publications—The following standards contain provisions which, through reference in this text,
constitute provisions of this Standard. At the time of publication, the editions indicated were valid. All
standards are subject to revision, and parties to agreements based on this Standard are encouraged to
investigate the possibility of applying the most recent edition of the standards indicated as follows. Members of
IEC and ISO maintain registers of currently valid International Standards.
ISO P
UBLICATIONS
—Available from ANSI, 11 West 42nd Street, New York, NY 10036-8002.
ISO 48:1979—Vulcanized rubbers—Determination of hardness (Hardness between 30 and 85 黑化股份股吧 IRHD)
ISO 261:1973—ISO general purpose metric screw threads—General plan
ISO1179-1:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 228-1 threads
with elastomeric and metal-to-metal sealing—Part 1: Threaded port
ISO1179-2:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 228-1 threads
with elastomeric and metal-to-metal sealing—Part 2: Heavy duty (S series) and light duty (L series)
stud ends with elastomeric sealing (type E)
ISO1179-3:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 228-1 threads
with elastomeric and metal-to-metal sealing—Part 3: Light duty (L series) stud ends with sealing by
O-ring with retaining ring (types G and H)
ISO1179-4:-
1
—Connections for fluid power and general 上证早知道 use—Ports and stud ends with ISO 228-1 threads
with elastomeric and metal-to-metal sealing—Part 4: Stud end for general use only with metal-to-
metal sealing (type B)
ISO 1302:1978—Technical drawings—Method of indicating surface texture on drawings
ISO 3448:1975—Industrial liquid lubricants—ISO viscosity classification
ISO 3601-3:1987—Fluid systems—Sealing devices—O-rings—Part 3: Quality acceptance criteria
ISO 4759-1:1978—Tolerances for fasteners—Part 1: Bolts, screws and nuts with thread diameters
between 1.6 (inclusive) and 150 mm (inclusive) and product grades A, B and C
ISO 5598:1985—Fluid power systems and components—Vocabulary
ISO 6149-1:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 261 threads
and O-ring sealing—Part 1: Port with O-ring seal in 000039股吧 truncated housing
ISO6149-2:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 261 threads
and O-ring sealing—Part 2: Heavy duty (S series) stud ends—Dimensions, design, test methods and
requirements
ISO6149-3:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 261 threads
and O-ring sealing—Part 3: Light duty (L series) stud ends—Dimensions, design, test methods and
requirements
be published.
2.1.1
-2-

SAE J22442 (ISO 6149-2) Issued DEC91
ISO 6803:1984—Rubber or plastic hoses and hose assemblies—Hydraulic pressure impulse test without
flexing
ISO 7789:-
1
—Hydraulic fluid power—Two, three- and four-port screw-in cartridge valve cavities
ISO9974-1:-
1
—Connections for fluid power and general use—Ports and 石药集团股票 stud ends with ISO 261 threads
and elastomeric sealing ring and metal-to-metal sealing—Part 1: Threaded port
ISO9974-2:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 261 threads
and elastomeric sealing ring and metal-to-metal sealing—Part 2: Stud end with elastomeric sealing
(typeE)
ISO9974-3:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 261 threads
and elastomeric sealing ring and metal-to-metal sealing—Part 3: Stud end with metal-to-metal sealing
(type S)
ISO11926-1:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 725 threads
and O-ring sealing—Part 1: Threaded port
ISO11926-2:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 725 threads
and O-ring 富国天瑞净值 sealing—Part 2: Heavy duty (S series) stud end
ISO11926-3:-
1
—Connections for fluid power and general use—Ports and stud ends with ISO 725 threads
and O-ring sealing—Part 3: Light duty (L series) stud end
2.2
2.2.1
Other Publications—U.S. References Identical to ISO References
ANSI P
UBLICATIONS
—Available from ANSI, 11 West 42nd Street, New York, NY 10036-8002.
ANSIASME B1.13M—83, Metric Screw Threads—M Profile
2.2.2SAE P
UBLICATIONS
—Available from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001.
SAE J343 APR91—Test and Procedures for SAE 100R Series Hydraulic Hose and Hose Assemblies
SAE J1926 AUG88—Specifications for Straight Thread O-ring Boss Port
SAE J22441ISO6149-1:DEC91—Connections for Fluid Power and General Use—Ports and Stud Ends
With ISO 261 Threads 600252股吧 and O-ring Sealing—Part 1: Port With O-ring Seal in Truncated Housing
tions—For the purposes of this part of SAE J2244, the definitions given in ISO 5598 and the following
definitions shall apply:
Adjustable Stud End—A stud end that allows for orientation before final tightening of the connection.
Nonadjustable Stud End—A stud end that does not allow for orientation before final tightening of the
connection.
Stud End Size—The stud ends shall be specified by SAE J22442 and the thread size, separated by a colon,
for example, SAE J22442:M18 x 1.5.
Requirements
Dimensions—Heavy-duty (S series) stud ends shall conform to the dimensions given in Figures 1A and 1B
and Table 1. Hex tolerances across flats shall be according to ISO 4759-1, product grade C.
Working Pressure—Heavy-duty (S series) stud ends made of carbon steel shall be designed for use at the
working pressures given in Table 2.
Performance—Heavy-duty (S series) stud ends made of carbon steel shall meet or exceed the burst and
impulse pressures given in Table 2, when tested according to Section 7.
3.1
3.2
4.
5.
5.1
5.2
5.3
be published
-3-

底盘不可靠，他们是听说过的，项目一直都在试验，却一直都无法试验成功，现在，他们的120毫米的坦克炮，安装在那种底盘上，能行吗？ 第七百零一章 不能卖给你们 众人盯着这个炮塔，看了很久。 而现在呢？ 当幻灯片打出来的时候，秦振华，祝老等人，都是不由得嘘了一声，这个展示出来的设计图，炮塔几乎就是一个M1坦克炮塔的缩小版！