JF-250SP

JF-250型 伸缩囊型伸缩接头

功能说明
JF-250系列 (焊接口) - 伸缩囊型伸缩接头
单层伸缩囊焊接端管,附有导流内筒,可增设设限拉杆与保护外筒。
作为吸收中低温度与压力时之管路变位。

JF-250系列 (焊接口)
标准尺寸范围 DN15 ~ DN600 (1/2” ~ 24”)
压力/温度等级 10 kg/cm2 at 120℃
使用寿命 Nc > 1,000 次

JF-250系列 (焊接口) 结构表
项目 组件 250SP 250SPC 250SPG 250SPGC 标准材质 选用材质
1 伸缩囊Bellows SS304 SS316
2 内筒Internal Sleeve SS304 SS316
3 端管Tube Ends Carbon Steel SS304/SS316
4 设限拉杆Tie Rods Carbon Steel SS304/SS316
5 吊耳Lugs Carbon Steel SS304/SS316
6 外筒External Covers Carbon Steel SS304/SS316
规格说明
口径 全长 端管厚度 轴向伸缩量 轴向弹性系数 作用面积
250SP 250SPC 250STG
mm ins mm mm mm mm mm N/mm cm2
15 1/2 250 300 300 2.8 +10 -25 8 4
20 3/4 250 300 300 2.9 +10 -25 11 6
25 1 250 300 300 3.2 +10 -25 17 9
32 1 1/4 350 400 400 3.5 +10 -40 18 13
40 1 1/2 350 400 400 3.5 +10 -40 23 21
50 2 350 400 400 3.8 +10 -40 29 32
65 2 1/2 350 400 400 4.2 +10 -40 46 50
80 3 350 400 400 4.2 +10 -40 53 67
100 4 350 400 400 4.5 +10 -40 76 123
125 5 350 400 400 4.5 +10 -40 81 177
150 6 350 400 400 5.0 +10 -40 116 259
200 8 350 400 400 5.8 +10 -40 137 415
250 10 350 400 400 6.6 +10 -40 194 661
300 12 350 400 400 6.9 +10 -40 218 907
350 14 350 400 400 7.1 +10 -40 369 1167
400 16 350 400 400 7.1 +10 -40 465 1509
450 18 350 400 400 7.1 +10 -40 518 1880
500 20 350 400 400 7.1 +10 -40 819 2326
600 24 350 400 400 7.1 +10 -40 971 3276
※其他尺寸、压力、变位量、材质等需求请另洽。

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