联系热线
DN4-25
碳钢方阀体三通球阀
BK3
DN20-50
碳钢锻造阀体三通球阀
SK3
DN4-50
不锈钢三通球阀BK3
英制直管螺纹BSPP
DN4-50
不锈钢三通球阀BK3
美制锥管螺纹NPT
DIN2353 接口
订货示例:
阀体尺寸以及工作压力,适用于各种接口形式
(PEEK:聚醚醚酮密封,具有较好耐腐蚀性; POM:聚甲醛密封; PTFE增强聚四氟乙烯密封,具有极好耐腐蚀性 详见110页)
通径 | 工作压力bar | L1 | B | H | H1 | H2 | H4 | M | SW | |||||||
碳钢 | 不锈钢 | |||||||||||||||
POM | PEEK | PTFE | 碳钢 | 不锈钢 | 碳钢 | 不锈钢 | 碳钢 | 不锈钢 | 碳钢 | 不锈钢 | 碳钢 | 不锈钢 | ||||
4 | 400 | 400 | 100 | 36 | 40 | 26 | 35 | 43.5 | 46.5 | 32 | 35 | 8.5 | 13 | 16 | M5 | 9 |
6 | 400 | 400 | 100 | 36 | 40 | 26 | 35 | 43.5 | 46.5 | 32 | 35 | 8.5 | 13 | 16 | M5 | 9 |
8 | 400 | 400 | 100 | 36 | 40 | 26 | 35 | 43.5 | 46.5 | 32 | 35 | 8.5 | 13 | 16 | M5 | 9 |
10 | 400 | 400 | 100 | 43 | 45 | 32 | 42 | 49 | 51.5 | 38 | 40 | 8.5 | 16.5 | 18 | M5 | 9 |
13 | 350 | 350 | 100 | 48 | 50 | 35 | 47 | 51 | 56 | 40 | 40 | 8.5 | 17.5 | 17 | M5 | 9 |
16 | 350 | - | - | 48 | - | 38 | - | 62 | - | 46 | - | 12 | 19 | - | M6 | 12 |
20 | 350 | 350 | 100 | 61 | 65 | 49 | 61 | 73 | 73.5 | 57 | 57 | 12.5 | 24.5 | 24.5 | M6 | 14 |
25 | 350 | 350 | 100 | 65 | 80 | 60 | 63 | 76 | 81.5 | 60 | 65 | 12.5 | 26.5 | 30 | M6 | 14 |
32 | 350 | 350 | 100 | 80 | 100 | 76 | 78 | 104 | 99 | 84 | 80 | 14 | 38 | 38 | M8 | 17 |
40 | 350 | 250 | 100 | 85 | 105 | 83 | 85 | 111 | 109 | 92 | 90 | 14 | 41.5 | 42 | M8 | 17 |
50 | 350 | 250 | 100 | 100 | 120 | 100 | 100 | 130 | 139 | 111 | 120 | 14 | 50 | 62 | M8 | 19 |
BK3/SK3标准球阀的密封功能只在以下两种情况下有效:
(1)被关闭的接口压力为零;
(2)两个连通接口的压力高于被关闭接口的压力;
如果要求所有接口都受压(PN1=PN2),或用于气体介质的三通球阀,则是另一种特殊密封结构的三通球阀,订货时需在型号后加 "A" 。
注意!!
球阀钢球通道机能形式:
* 中间位置(90°时)只能中间接口承受压力。
球阀接口形式 | 常用碳钢三通球阀型号 | 常用不锈钢三通球阀型号 | 通径 | 实际内径 | D | RA | L | L10 | i |
英制直管螺纹BSPP
| BK3 G1/8 04 1125 | BK3 G1/8 04 4465 | 4 | 5 | G 1/8″ | - | 69 | 32 | 9 |
BK3 G1/4 06 1125 | BK3 G1/4 06 4465 | 6 | 6 | G 1/4″ | - | 69 | 32 | 12 | |
BK3 G3/8 08 1125 | BK3 G3/8 08 4465 | 8 | 7 | G 3/8″ | - | 69 | 37 | 12 | |
BK3 G3/8 10 1125 | BK3 G3/8 10 4465 | 10 | 9 | G 3/8″ | - | 73 | 35 | 12 | |
BK3 G1/2 13 1125 | BK3 G1/2 13 4465 | 13 | 11.5 | G 1/2″ | - | 85 | 37 | 14 | |
BK3 G1/2 16 1125 | - | 16 | 14 | G 1/2″ | - | 84 | 38 | 14 | |
SK3 G3/4 20 2125 | BK3 G3/4 20 4465 | 20 | 18 | G 3/4″ | - | 96 | 47 | 17 | |
SK3 G1 25 2125 | BK3 G1 25 4465 | 25 | 22 | G 1″ | - | 113 | 55 | 19 | |
SK3 G11/4 25 2125 | BK3 G11/4 25 4465 | 25 | 22 | G11/4″ | - | 121 | 55 | 20 | |
SK3 G11/4 32 3125 | BK3 G11/4 32 4465 | 32 | 30 | G11/4″ | - | 110 | 70 | 20 | |
SK3 G11/2 40 3125 | BK3 G11/2 40 4465 | 40 | 35 | G11/2″ | - | 120 | 72 | 24 | |
SK3 G2 50 3125 | BK3 G2 50 4465 | 50 | 44 | G2″ | - | 140 | 85 | 28 | |
美制锥管螺纹NPT
| BK3 1/8NPT 04 1125 | BK3 1/8NPT 04 4465 | 4 | 5 | 1/8″NPT | - | 69 | 32 | 12 |
BK3 1/4NPT 06 1125 | BK3 1/4NPT 06 4465 | 6 | 6 | 1/4″NPT | - | 69 | 32 | 17 | |
BK3 3/8NPT 10 1125 | BK3 3/8NPT 10 4465 | 10 | 9 | 3/8″NPT | - | 73 | 35 | 17 | |
BK3 1/2NPT 13 1125 | BK3 1/2NPT 13 4465 | 13 | 11.5 | 1/2″NPT | - | 92 | 42 | 22 | |
BK3 3/4NPT 20 1125 | BK3 3/4NPT 20 4465 | 20 | 18 | 3/4″NPT | - | 97 | 47 | 23 | |
BK3 1 NPT 25 1125 | BK3 1NPT 25 4465 | 25 | 22 | 1″NPT | - | 113 | 55 | 27 | |
BK3 11/4NPT 25 1125 | BK3 11/4NPT 25 4465 | 25 | 22 | 11/4″NPT | - | 131 | 55 | 28 | |
SK3 11/4NPT 32 3125 | BK3 11/4NPT 32 4465 | 32 | 30 | 11/4″NPT | - | 115 | 70 | 28 | |
SK3 11/2NPT 40 3125 | BK3 11/2NPT 40 4465 | 40 | 35 | 11/2″NPT | - | 135 | 75 | 28 | |
SK3 2NPT 50 3125 | BK3 2NPT 50 4465 | 50 | 44 | 2″NPT | - | 140 | 85 | 30 | |
公制螺纹 24°锥面 DIN2353 轻系列 “L”
| BK3 06L 04 1125 | BK3 06L 04 4465 | 4 | 5 | M12×1.5 | 6 | 67 | 32 | 7 |
BK3 08L 06 1125 | BK3 08L 06 4465 | 6 | 6 | M14×1.5 | 8 | 67 | 32 | 7 | |
BK3 10L 08 1125 | BK3 10L 08 4465 | 8 | 7 | M16×1.5 | 10 | 71 | 32 | 8 | |
BK3 12L 10 1125 | BK3 12L 10 4465 | 10 | 9 | M18×1.5 | 12 | 75 | 35 | 8 | |
BK3 15L 13 1125 | BK3 15L 13 4465 | 13 | 11.5 | M22×1.5 | 15 | 84 | 42 | 9 | |
BK3 18L 13 1125 | BK3 18L 13 4465 | 13 | 11.5 | M26×1.5 | 18 | 84 | 42 | 9 | |
BK3 18L 16 1125 | - | 16 | 14 | M26×1.5 | 18 | 83 | 43 | 9 | |
SK3 22L 20 2125 | BK3 22L 20 4465 | 20 | 18 | M30×2 | 22 | 102 | 47 | 11 | |
SK3 28L 25 2125 | SK3 28L 25 4465 | 25 | 22 | M36×2 | 28 | 108 | 55 | 11 | |
BK3 35L 25 1125 | BK3 35L 25 4465 | 25 | 22 | M45×2 | 35 | 114 | 60 | 13 | |
SK3 35L 32 3125 | BK3 35L 32 4465 | 32 | 30 | M45×2 | 35 | 128 | 69 | 13 | |
SK3 42L 40 3125 | BK3 42L 40 4465 | 40 | 35 | M52×2 | 42 | 133 | 74 | 13 | |
公制螺纹 24°锥面 DIN2353 重系列 “S”
| BK3 06S 04 1125 | BK3 06S 04 4465 | 4 | 5 | M14×1.5 | 6 | 71.5 | 32 | 9 |
BKH 08S 04 1125 | BKH 08S 04 4465 | 4 | 5 | M16×1.5 | 8 | 73 | 32 | 9 | |
BK3 10S 06 1125 | BK3 10S 06 4465 | 6 | 6 | M18×1.5 | 10 | 73 | 32 | 9 | |
BK3 12S 08 1125 | BK3 12S 08 4465 | 8 | 7 | M20×1.5 | 12 | 77 | 32 | 9 | |
BK3 14S 10 1125 | BK3 14S 10 4465 | 10 | 9 | M22×1.5 | 14 | 84 | 35 | 11 | |
BK3 16S 13 1125 | BK3 16S 13 4465 | 13 | 11.5 | M24×1.5 | 16 | 87 | 42 | 11 | |
BK3 20S 13 1125 | BK3 20S 13 4465 | 13 | 11.5 | M30×2 | 20 | 91 | 42 | 13 | |
BK3 20S 16 1125 | - | 16 | 14 | M30×2 | 20 | 91 | 43 | 13 | |
SK3 25S 20 2125 | BK3 25S 20 4465 | 20 | 18 | M36×2 | 25 | 110 | 47 | 15 | |
SK3 30S 25 2125 | BK3 30S 25 4465 | 25 | 22 | M42×2 | 30 | 120 | 55 | 17 | |
BK3 38S 25 1125 | BK3 38S 25 4465 | 25 | 22 | M52×2 | 38 | 124 | 60 | 19 | |
SK3 38S 32 3125 | BK3 38S 32 4465 | 32 | 30 | M52×2 | 38 | 140 | 74 | 19 |
*DIN2353接口形式的球阀可以配上焊接接管成为焊接式球阀,如右图
订货示例 W-BK3-15L×2 13 1123 (具体型号尺寸见上面表格)
"W-"表示焊接式,"15"表示焊接接管外径RA为15mm
"×2"表示焊接接管壁厚S为2mm,选择见第62页。
**卡套式接口的球阀也可以提供(DIN2353),如右图
订货示例 C-BK3-15L 13 1123 (具体型号尺寸见上面表格)
"C-"表示卡套式,"15"表示钢管外径RA为15mm