1、DRAFT FOR PUBLIC CONMENT Latest date for receipt of comments -_ ACE/-/l - Steering Committee on aerospace standards DRAFT STANDARD - AEROSPACE SERIES - CLAMPS, LOOP, ( P TYPE) WITHOUT RUBBER CUSHIONING, DIMENSIONS AND MASSES. IN HEAT-RESISTING STEEL (PrEN 3276) IN ALUMINIUM ALLOY (PrEN 3277) i I Thi
2、s draft is now available for public comment and your views and technical comments on it would be appreciated. If you have no specific comments to make but find it generally acceptable it would be helpful if you would notify us accordingly. Suggestions entailing revision of the text should indicate t
3、he preferred wording. Please quote the relevant clause number against any comment. The Co-ordination of the requirements of this draft with those of any related standards is of particular importance and you are invited to point out any areas where this may be necessary. All Commerit should be sent t
4、o the COnimittee Secretary Mr A Greenhalgh at the London/MawtxkEa$wr address below. The comments received will be passed to the committee concerned for their consideration; no acknowledgement will normally be sent. Requests for further copies of this draft should be sent to: Keynes MK14 6LE. ith an
5、addressed label. Orders not accompanied by a remittance will be subject to a delay. THIS IS A DRAFT AND PIIJST NOT BE REGARDED OR USED AS A BRITISH STANDARD Head Office Manchester Office 2 Park Street London W1A 2BS Telephone 01-625 9000 Telex 266933 BSILO?; G Head Office 3 York Street Manchester M2
6、 2AT Telephone 061-832 3731 Telex 665569 BSIL%N G 825777 BSIMK G Sales ?z Accounts Al Form 36 Part 1 - 8605 STANDaRDS ACE/- WHOSE MEMBERS THIS D FT HAS ALSO BEEN SENT CONSTITUTION - IZATIONS REPRESENTED BRITISH AIRWAYS CIVIL AVIATION AUTHORITY (AIRWORTHINESS DIVICSIO SOCIETY OF BRITISH AEROSPACE COM
7、PA PES LINITED INISTRY OF DEFENCE - A2 - 89/71891 I prEN 3276 Edition 1 Ae ros p Y ce se t- a e c Dimensions - hiassec %rie at5rospatiase Callicrc en “Pi* avec cans pn-ofil6 en caoutchouc era zcier inoxydable Dimensions - ilhasses PROJET E N T w u R F Draft pi-opcsar 06/88 prEP: 3276 Page 2 I Conten
8、ts 4 2 keferences 3 Required characteristics 3.1 W;“laberia12; 3.2 Surface treatmerit 3.3 - Cimensits - Tolerances scope and field of application 4 DesicJnatios, 5 Bhr-kin 6 Technical specification z References; Ckmp : steel EFd 2-63 3 7 Juriaee treatment Passivation : EN 2516 , o Fi c;u i-e 04459F.
9、GZGCT2 1 Table - Dimensior-ls Dimensions in mi 11 imetres S Mas s kg/1000 pcs R max. K 4 47 525 to1 er: ance to1 er - ance - +OY03 2,2 3:.2 +OP4 O 5,7 3 93 22 I 1:,7 7Y8 8,5 7 0,4 11,2 +0,8 O 4,o i2,U 12,5 Untoleranced dimensions : 2 0,4 1 ) 4s per IC0 2964 O 4 4 5 J I-, 0 7 II 3 I2 fSYLSt k 1 prEN
10、3276 Paye 5 I E Td 3676 a o i-T Iz!unb,er of EN standard 20 = oi diameter ?:ate if i-aecesseary $IV2 ore inator code 19805 mug. be irate-educed betweeia Lale description block 8nd :he identity block. 11) addition to the afre QWTI mrkiiag each clamp shall be marked ir; th o;tandard. positisra indicat
11、ed using t e identity blcck as defined in clh4tJae 4 of t aid is al “Be manufacturers option. 6 Technical specificution As per- EN 2900. , 7 GRAFT PROJET E N T V! u w i= c ont e i? t 5 This st;Carci specifies the characteristics of loop type clapr, ir! ij:lumirikam UIGY designed for suppor:ing pipe
12、assemblies .) 2 References Identification mark Issue P 1 prEP: 3277 Page 4 Dimensions in mil I imetres 5 1 Mass DN ) A - +0,25 F El U R max - kg/7000 pcs to7 er - ance toler- ance 4 457 4Q 12 14 +0,4 O 17,5 1 lS6 15 I 1 12,7 16 18 1 334 20 22 25 28 32 36 +0,8 O 3E 40 Jntoleranced dimensions . + 0,4 1 ) As per SO i964 - - paEN 3277 I 1
