Ϻųţ޹˾

English

Ϻųţ޹˾

ժҪĶԲ򷧵ܷṹ˳̽صܷṹʽܷϵѡӰܷܺʹɿԵ˵Ȧ;ķϩʽܷɵܷĽṹʽ

ؼܷṹܷ

֪ص㷺Ӧڸֹ·ϵͳĿжıԶɲֶ綯ʽͼ 1 Ϊ򷧵ĵͽṹδʽ

򷧽ṹͼ
ͼ 1

򷧵ʹܷҪָ֮һͼ 1 ɼ򷧵ܷṹҪһΪܷܷƬʵΪ뷧˼ܷɱ׼“V”ϻ 0 ܷȦʵ򷧵ܷṹΪܷܷʵ򷧵ܷṹܷṹܷӰ򷧵ĹƺйؼܷṹĽصܷķǽܷ⣨ֳܷ⣩ṹ

1 򷧵ܷҪ

򷧵ָܷй©й©Ҫȷұ׼涨ǽܷܷ԰ GB/T13927ͨ÷ѹ顷 A ִҪ“ʱ޿ɼй©”ҵ׼涨·ϵͳ“ 0.05 MPa 1.1 ѹѹѹ 3 min й©Ӧ 3×10-5 Pa·m3/sݳ 1.1 ѹѹѹ 3 min й©Ӧ 1×10-5 Pa·m3/sݳ”

2 ӰܷԵҪ

ӰܷԵҪܷĴֲڶȺԲȲ֪۲ȽļӹȫԲܷ΢ȱΪ˴ﵽõܷЧ֤ӹ̿ʵȷʵֲܷڶȺԲȲֵйƼܷĴֲڶ Ra ֵֵΪ 0.4 µmֲܷڶ Ra ֵԾķϩΪܷʱֵΪ 0.8 µmԲȹ GB/T1184 2 6 ȽΪ

3 ܷṹ

ڵһýΪܷṹֳӲܷ⣩ŹϼķչǾķϩijʹܷṹһֽΪܷܷṹܷʽиܷԪܷķϩʽܷ͵ȦķϩʽܷɵܷʽʽܷеĴνṹʹнϺõĵʹпɱ֤ܷԤѹɶܷԤѹвڸԽṹʹзķϩĵԱ¶ȱ仯µȶԲʮҾнϴͬʱ򷧵ʹѹ仯ΧϴþķϩΪܷƳɵĴʽܷڽϵѹ»ʹײй©һķʽΪõȦķϩʽܷɵܷϵȦõĵԱǿĵԱͲ򷧵ܷ

3.1 ܷ

Ҫ֤򷧴ﵽ涨ܷҪʵѹƶ壨ʽ̶ܷʽ΢СλʹܷһĵԱγɱҪܷѹܷѹ߽ᵼܷܱѹϵñѹʹܷʧЧᵼ²߶Ӱ춯ʹܷĵԱԲļӹܷⲻܴﵽ涨ܷҪ

򷧵ܷΪqMF < q < [q]
ʽУqMF — ֤ܷܷѹ [q] — ܷñѹq — ʵʱѹ

3.2 ʽ򷧵ܷ

ͼ 1 (a) ʾ¶޹̶֧ʽ򷧹رʱڽѹ彫һĸλƣ뿪˿ڶܷѹڳڶܷʹڳڶܷܵʽʵֻгڶܷܷ˿ڶܷ䱣һСĸ϶

3.3 ̶ʽ򷧵ܷ

ѹ򹫳ͨ DN ≥ 200 mm ù̶ʽṹ̶ʽ򷧵岻ɱ֤˫ܷʹŵIJŤؽܷϵغɲȽС̶ʽ򷧿ɷΪǰܷʽ˿ܷʽܷʽܷʽͼ 2 

ǰܷʽ򷧺ܷʽ򷧽ṹͼ
ͼ 2

3.4 ܷԤѹ

Ϊ˱֤ڽʹѹϵʱܷܷγһԤѹ

ڸܷ򷧹ĿɿԺʹȡȷѡܷԤѹԤѹܱ֤򷧵ĵѹܷԤѹᵼܷĦӰ򷧵ĶܷԱܷʧЧھķϩܷԤѹһӦΪ 0.1 PNҲС 1.02 MPa ܷԤѹĵıܷƬĺʵܷƬӹӰЧװǻܷԵĹؼʹܷĥԤѹԶܲ˸ܷṹ򷧵ʹԽ϶

;֮һDzôԪܷʱԤѹĻܷƬɵԪʵԪܷɻñҪԤѹڵԪĵԱηΧڶԤѹв򷧵ʹԽϳ

3.5 Ԫܷṹ

lԪΪεɵܷͼ 3

εɵܷʾͼ
ͼ 3 εɵܷ

2ԪΪɵܷͼ 4

Բɵܷʾͼ
ͼ 4 Բɵܷ

ͼ 3ͼ 4 ʾεɻԲɵܷڷǸʴԽй㷺Ӧѡ񵽿ǿʴԽͬʱ־õԵĵԪԼϵȴձȽϸܷṹǿʴԽӦв

3ʹʽܷ

õȦʹʽܷʾͼ
ͼ 5 õȦʹʽܷ

ͼ 5 ʾΪȦ;ķϩʽܷܷȦIJϿѡ 1Cr18Ni9Ti 1Cr18Ni9ԴﵽǿʴԽͼ 6 ΪȦĽṹʽͼ 7 ΪķϩʽܷĽṹʽͼ 6ͼ 7 ɿķϩʽܷڵƽǶΪ 30°ȦڵΪ 34°

Ȧṹܷṹͼ
ͼ 6 Ȧṹܷṹͼ

ķϩʽܷĽṹͼ
ͼ 7 ķϩʽܷĽṹͼ

ڽѹȦĵɲһķϩܷԱȱܷĿɿԺʹڽѹϵ͵ڵȦں;ķϩʽܷڴڽǶȲԼȦǿĵԱʹķϩʽܷڵȦγѹԤѹѹ͵µܷѹֻҪڵȦĵΧɱ֤ڽϵѹµĿɿܷ

3.6 ʽܷṹ

ʽܷṹͼ 8

ܷʾͼ
ͼ 8 ܷ

ͼ 8 ʾĸܷûκεԱȫѹγɱܷѹýṹ²ı仯ܷԺͲŤ¶ȱ仯Ӱ

ʽܷʾͼ
ͼ 9 ʽܷ

ͼ 9 ʾʽܷڴһĵԱܷʼմһСԤѹɲ¶ȱ仯ԭµԤѹı仯ʹ򷧾нϺõܷ

ܷԵĹؼܷĽṹʽܷϵѡݲͬĽṹʹҪѡܷĽṹʽ֤ܷõļӹѡӦʹҪܷܷҪ򷧹ĿɿԺʹӦص㿼ǵ


ĵַhttp://www.climbingaction.com/tech/qf/773.html


һƪϵϵо
һƪάǿо


  • վṩȷļ֤ϢȷԺҲϢIJȷ©µκʧ𺦳е
  • վṩļοʹñվϷƫվŲ಻κη
  • վṩļԴΪ߲֪Ȩϵɾ
  • 輼֧µҹ˾ѯߣ021-66059666

ܻ021-39901000 39900333 | 棺021-39901228 | ۣ021-66059666 | Emailsales@hgvalve.com

Ϻųţ޹˾ - ַϺмζͤҵ· 555 ŻŹҵ

Copyright © 2012 Ϻųţ޹˾ȨICP11023561-1

Ϻ
΢ŹںŶά
ֻվά
ѹվ߹ۿͼ,ŷؿSMŰūƵ,ɫþۺһ,ĻӰȷ