Sharp Vee螺纹,又叫VR螺纹(Valve
Removal),即阀门移除塞螺纹,螺纹锥度为1:16,每英寸螺纹牙数为11-1/2,牙型角为60°,有加厚与不加厚,即UPSET和NON-UPSET,具体螺纹参数详见API 6A标准。
型号有:1-1/2 Sharp Vee,1.900"Sharp
Vee,2 Sharp Vee,2-3/8" Sharp Vee,
2-1/2 Sharp
Vee,2-7/8" Sharp Vee,3 Sharp Vee,3-1/2" Sharp Vee塞规和环规
SHARP VEE
TUBING UPSET / NON-UPSET
PMC Lone Star manufactures Upset and Non-Upset Sharp-Vee Tubing gages for sizes
from 1-1/4 to 4 inches in diameter.
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SHARP VEE
TUBING UPSET / NON-UPSET
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SIZE (规格)
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UPSET T.P.I (牙数/英寸)
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NON-UPSET T.P.I (牙数/英寸)
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T.P.F (锥度)
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1-1/4
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11-1/2
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/
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3/4
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1-1/2
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11-1/2
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11-1/2
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3/4
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2
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10
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11-1/2
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3/4
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2-1/2
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10
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11-1/2
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3/4
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3
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10
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11-1/2
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3/4
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3-1/2
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10
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10
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3/4
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4
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10
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10
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3/4
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