GMNA-VOL-II-SEC-L-1972.pdf
《GMNA-VOL-II-SEC-L-1972.pdf》由会员分享,可在线阅读,更多相关《GMNA-VOL-II-SEC-L-1972.pdf(137页珍藏版)》请在三一文库上搜索。
1、1/8-27 1/2 20 .4662 .4619 .4675 112 .223 .217 .250 .406 - 1/4-18 5 $ .5875 .5828 .5889 5/ .287 .278 -318 .309 .312 .531 .223 .217 .156 .297 - .44 .36 .12 1.03 .97 .38 .46 -18 .223 .217 .219 .344 .50 .41 .16 1.09 1.03 .38 .46 .16 .56 .47 .19 1.19 1.13 .38 .21 - .2 .54 .22 1.47 1.41 .56 .69 .24 144265
2、 441382 441392 120703 118748 116749 118750 118751 118752 116487 110287 144266 144267 441383 441384 144476 441385 441386 441387 441368 441389 441390 441391 192115 191408 191407 191430 192124 192119 192120 192122 441393 441394 Nominal Tube OD A Dryseal Pipe Thread (NFTF) C Hexagon Width, Basic D1 Coun
3、terbore Dia, Maximum Counterbore Dia, Minimum 114 5/16 5/16 318 318 318 314 1/4-18 1/4-18 3/8-18 1/8-27 3/8-16 1/2-14 3/4-14 9/16 9/16 11/16 5/8 11/16 7 /e 1-1/16 .318 .318 .412 .223 .412 .568 .756 .309 .309 .403 .217 .403 .559 .747 1.72 1.69 .75 .91 -30 2.22 2.16 .75 .97 .43 Material UM; me last th
4、read sitail be chamfered 11 to 1 pitch long from G diameter and dimension J may be reduced by an amount eauai to 112 pitch. 3 Tap drill dwths given require use of bottoming taps to produce standard full thread lmgth. we General Specifications. 4 Minimum applies to turned boss construction. Where app
5、lied to chamfer on full hexagon verrion, diameter may be reduced by .OZ. ADDITIONAL TUBE TO PIPE SIZE COMBINATIONS I Material 8 I :;E I I Brass I Chromium-Bright Brass Nickel-Dull 1- For dimensions see Page L-2.101. UNIONS Nominal Tube OD Material Finish GM Part Number Material Brass Brass Bominal T
6、ube OD 3/8 3/9 7/16 7/16 1/2 1/2 5/8 5/8 GM Part Numbe- 143460 143476 143461 143477 143462 143478 143463 143479 Finish Chromium-Bright Nickel-Dull 1/8 1 /8 3/16 3/16 1 / 4 1 / 4 5/16 5/16 Brass Brass Brass Brass Bra s s Brass Brass Brass Chromium-Bright Nickel-Dull 143456 143472 143457 143473 143458
7、 143474 143459 143475 Chromium-Bright Nickel-Dull Brass Brass Chromium-Bright Nickel-Dull Chromium-Bright Nickel-Dull Brass Brass Chromium-Bright Nickel-Dull Chromium-Bright Nickel-hill Brass Brass Chromium-Bright Nickel-Dull For dimensions see Page L-2.103 45O ELI WS Nominal Tube OD Nominal Tube OD
8、 Finish GM Number GM Number Material Finish Pipe I 1/8 1/8 3/16 3/16 1/4 1 /4 5/16 5/16 5/16 5/16 Brass Brass Brass Brass Chromium-Bright 142869 142870 Nickel-Dull 3/8 3/8 7/16 7/16 1/2 1/2 5/8 5/8 3/4 3/4 Brass Chromium-Bright Brass Nickel-Dull Brass Chromium-Bright Brass Nickel-Dull i43359 163390
9、Chromium-Bright 143361 Nickel-Dull 143394 Chromium-Bright Nickel-hill 143360 143391 143362 143395 Brass Chromium-Bright 142560 Brass Nickel-Dull I 143392 1 Brass Brass Brass Chromium-Bright 142757 B?as s Nicke 1 -Du1 1 143393 I I For dimensions see Pages L-2.104 and L-2.105. Printed in U S A ENGRG S
10、TDS PAGE L-2.151 MARCH, 1970 Copyright General Motors North America Provided by IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/24/2008 01:08:35 MDTNo reproduction or networking permitted without license from IHS -,-,- 9432236 142824 143366 143390 7/16
11、 1/4 7/16 1/4 1/2 3/8 1/2 3/% Brass Brass Chromium-Bright Nickel-hill GENERAL MOTORS ENGINEERING STANDARDS INVERTED FLARED TUBE FITTINGS ADDITIONAL MATERIALS OR FINISHES 90 ELBOWS Nominal Pipe I Number I 1 O D “ 1 Size GM Thread Material Finish Nominal Tube OD 1/8 1/8 3/16 3/16 3/16 1/4 i/4 1 1 4 1/
12、4 5/16 5/16 * GM 44. For dim GM Part Number 142758 143400 9432238 142825 143367 143401 143368 9432239 143369 143403 Material Finish I 1- 143363 1 143397 1 i 1 i$: Chromium-Bright Nickel-Dull Brass Brass Brass Brass Chrcwium-Bright Nickel-hill Brass Brass Steel Brass Brass Chromium-Bright Nickel-Dull
13、 Phosphate Coated* Chromium-Bright Nickel-Dull 9432235 143398 I 1 ; $ : i i$ 189949 Brass Chromium-Bright Brass 1 Nickel-Dull Brass Brass Chrcmium-Bright Nickel-Dull Brass 1 Chromium-Bright Brass Nickel-Dull 9432237 5/8 1/2 116368 1 1 5/8 1 1/2 Brass Chromium-Bright Brass Nickel-Dull I I 1, A, speci
14、fication. :e Pages L-2.106 and L-2.107. FEMALE 90 ELBOWS Nominal Tube OD Pipe Thread Size Material Finish GM Part Number Material Finish GM Part Number 5 / 1 6 For dirr 175176 Brass e Page L Chromium-Bright .108. . - . _ TWO WAY TEES Nominal Tube OD GM Part Number Material Finish Number Finish Brass
15、 Brass Chromium-Bright Nickel-Dull 143495 143511 9432211 143515 143500 143516 143501 143517 143502 143518 Brass Brass Chromium-Bright Nickel-Dull Chromium-Bright Nickel-hill 1/4 Brass 1/4 Brass Brass 2% Brass Brass % ; : A : I 187322 I 177971 1 188947 I 187712 I 456588 1 Dryseal American Standard Ta
16、per Pipe Thread. See General SDecificationr 2 Measured from the face of cone seat to last full form thread at maior diameter. See General Specifications. A minimum of .75 partial thread beyond last full rhread is required. Inverted Flared Tube Fittings must conform to General Specifications on Page
17、L-2.501. These specifications were developed without considering whether patents may or may not be involved. fore, the supplier shall be required to assume patent liability. In all cases, there- Printed in U S A ENGRG STDS PAGE L-2.205 OCTOBER, 1973 Copyright General Motors North America Provided by
18、 IHS under license with GM Licensee=IHS Employees/1111111001, User=Japan, IHS Not for Resale, 06/24/2008 01:08:35 MDTNo reproduction or networking permitted without license from IHS -,-,- GENERAL MOTORS ENGINEERING STANDARDS 173466 . LIGHT INVERTED FLARED TUBE FEMALE 90“ ELBOWS NOT RECOMMENDED - VSE
19、 FEMALE 90 ELBOWS SHOWN ON PAGE L-2.108 443928 226339 443941 188948 DIAJ I I Nominal Tube OD A B D E F I J K L R u X Xt Dryseal Pipe Thread (NPTF) Straight Thread Pitch Mameter, Maximum Pitch Mameter, Minimum Minor Dia, Maximum for Brass Minor Dia. Maximum for Steel Minor Mameter, Minimum Passage Ma
20、meter, Maximum Passage Mameter, Minimum Seat Mameter, Maximum Seat Mametery Minimum Ease Seat Ma Maximum Base Seat ma: Minimum (Ref) Base Seat Depth, Maxfmum Base Seat Depth, Minimum End Full Thread, Maximum2 Seat Depth, Maximum Seat Depth, Minimum Overall Length, Maximum Overall Length, Minimum Sea
21、t Radius, Maximum Countersink Dia, Maximum Countersink Ma, Minimum Body Widthy Basic Boss Width, Basic Material or where design permits, corners may be chamfered to the diameter of the abutting surface pro- viding the length of chamferoat hexagon corner does not ex- ceed that produced by the 30 cham
22、fer previously described. Passages: Where passages in straight fittings are machined from opposite ends, any offset occurring at the meeting point shall not exceed .C15 inch. The cross-sectional area at junction of passages in angle fittings shall not be less than that of the smallest passage. Wall
23、Thickness: Unless otherwise designated, the wall thickness at any point onfittings shall not be less than the thickness established by the specified dimensions, tolerances and eccentricities for inner and outer surfaces. Contours: Details of fitting contours shall be optior.al with manufacturer prov
24、ided specified dimensions are main- tained and the serviceability of fittings is not impaired. Wrench flats on forged shapes for elbows and tees shall be optional. Where extruded or forged shapes are reduced to conserve material; the resulting minimum wall thicknesses, unless otherwise specified, sh
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- GMNA VOL II SEC 1972
链接地址:https://www.31doc.com/p-3772861.html