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British Pipe Thread (惠氏管螺纹) -- 圆柱 (BSPP/BSPF)螺纹代号
, D- z2 N7 L/ P基本尺寸4 ]4 Y9 u* W& N8 m7 W
大径
6 R/ u S( N$ R) Z6 _8 P4 [mm; j- r0 ]/ ]; P: N' L
d=D螺距# l! h% r& d9 m8 c, c g: ]
mm7 d' q/ ]5 t3 }, n; G' [ w) h
p每英寸牙数4 _; D8 J# S9 y! D- e
tpi中径" ]- q; N6 h- }# q# N
mm: ]& E! i, W5 [4 z& n% e
d2=D2小径
2 s! e; q1 H7 z外螺纹
# J/ i& r% n g g- r! \d3牙型高度
I9 W- Z4 \$ z4 ~H1底孔尺寸
! }7 e9 F( ~: i/ ^mmG 1/8 1/8"9.7280.907289.1478.5660.5818.7G 1/4 1/4"13.1571.3371912.30111.4450.85611.6G 3/8 3/8"16.6621.3371915.80614.950.85615G 1/2 1/2"20.9551.8141419.79318.6311.16219G 5/8 5/8"22.9111.8141421.74920.5871.16220.75G 3/4 3/4"26.4411.8141425.27924.1171.16224.5G 7/8 7/8"30.2011.8141429.03927.8771.16228G 1 1"33.2492.3091131.7730.2911.47930.5G 1 1/8 1 1/8"37.8972.3091136.41834.9391.47935G 1 1/4 1 1/4"41.912.3091140.43138.9521.47939.5G 1 3/8 1 3/8" 44.3232.3091142.84441.3651.47941.5G 1 1/2 1 1/2"47.8032.3091146.32444.8451.47945G 1 3/4 1 3/4"53.7462.3091152.26750.7881.47951G 2 2"59.6142.3091158.13556.6561.47957G 2 1/4 2 1/4"65.712.3091164.23162.7521.47963G 2 1/2 2 1/2"75.1842.3091173.70572.2261.47972.5G 2 3/4 2 3/4"81.5342.3091180.05578.5761.47979G 3 3"87.8842.3091186.40584.9261.47985.5G 3 1/4 3 1/4"93.982.3091192.50191.0221.47991G 3 1/2 3 1/2"100.332.3091198.35197.3721.47997.75G 3 3/4 3 3/4"106.682.30911105.201103.7221.479104G 4 4"113.032.30911111.55110.0721.479110.5G 4 1/2 4 1/2"125.732.30911124.251122.7721.479123G 55"138.432.30911136.951135.4721.479136G 5 1/2 5 1/2"151.132.30911149.651148.1721.479148.5G 6 6"163.832.30911162.351160.8721.479161.5 |
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发表于 2007-1-22 09:04:11