絲口是一種連接方式,就是螺紋的意思,分內螺紋和外螺紋.
| 公稱壓力 | 使用壓力 | 試驗壓力（水壓） |
| 1.6MPA | 120℃以下水、油、瓦斯 | 飽和蒸汽 | 閥體 | 閥座 |
| 1.76MPA | 0.6MPA | 9.5MPA | 7MPA |
| Q11F-16P一片式 |
| INCH | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ |
| DN | 6 | 10 | 15 | 20 | 25 | 32 | 40 | 50 |
| L | 39 | 44 | 56.5 | 58 | 71 | 78 | 83 | 100 |
| H | 32.05 | 34.5 | 43.5 | 47 | 55 | 60.5 | 74.5 | 80.5 |
| D | 5 | 7 | 9.2 | 12.5 | 16 | 20 | 24.5 | 32 |
| A | 70 | 70 | 90 | 90 | 110 | 110 | 140 | 140 |
| Q11F-16P二片式 |
| INCH | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | | |
| DN | 15 | 20 | 25 | 32 | 40 | 50 | | |
| L | 55 | 66 | 77 | 87 | 98.5 | 115 | | |
| H | 47 | 55 | 60.5 | 63.5 | 78 | 87 | | |
| D | 15 | 20 | 25 | 32 | 40 | 50 | | |
| A | 102 | 125 | 143 | 143 | 178 | 178 | | |
| Q11F-16P一片式 |
| INCH | 1/4″ | 3/8″ | 1/2″ | 3/4″ | 1″ | 1 1/4″ | 1 1/2″ | 2″ | 2 1/2″ | 3″ | 4″ |
| DN | 6 | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 |
| L | 39 | 44 | 56.5 | 58 | 71 | 78 | 83 | 100 | 162 | 182 | 230 |
| H | 32.05 | 34.5 | 43.5 | 47 | 55 | 60.5 | 74.5 | 80.5 | 128 | 137 | 173 |
| D | 5 | 7 | 9.2 | 12.5 | 16 | 20 | 24.5 | 32 | 65 | 80 | 100 |
| A | 70 | 70 | 90 | 90 | 110 | 110 | 140 | 140 | 247 | 247 | 295 |
