J41W不銹鋼截止閥結構特點：
該型閥門采用平面密封和錐面密封兩種密封型式，可使用于不同工況的介質要求，具有密封性能穩定，使用壽命長。逆時針轉動手輪驅使閥桿帶動閥瓣及膈膜迅速上升，打開通道使介質順利通過。
J41W法蘭截止閥性能規范：
| 型號 | 公稱壓力 | 試驗壓力 | 工作溫度(℃) | 適用介質 | ||
| 強度(水)(Mpa) | 密封(水)空氣(Mpa) | 低壓密封空氣(Mpa) | ||||
| J41W-16P(R) | 1.6 | 2.4 | 1.8 | 0.6 | ≤200 | NITRIC ACID |
| J41W-25P(R) | 2.5 | 3.8 | 2.8 | 0.6 | ≤200 | 硝酸類 |
| ACETIC ACID | ||||||
| 醋酸類 | ||||||
| NITRIV ACID | ||||||
| 硝酸類 | ||||||
| J41W-40P(R) | 4.0 | 6.0 | 4.4 | 0.6 | ≤200 | ACETIC ACID |
| J41W-64P(R) | 6.4 | 9.6 | 7.0 | 0.6 | ≤200 | 醋酸類 |
J41W不銹鋼截止閥主要零件材質：
| 零件名稱 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
| 閥體/閥蓋 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
| 閥瓣 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | 1Cr13 |
| 閥桿 | ZG1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | 1Cr13 |
| 填料 | PTFE編織 | PTFE編織 | PTFE編織 | PTFE編織 | 石墨 |
| 墊片 | 304 PTFE | 304L PTFE | 316 PTFE | 316L PTFE | 石墨 304 |
| 壓蓋 | ZG1Cr18Ni9Ti | ZG00Cr18Ni10 | ZG1Cr18Ni12Mo2Ti | ZG00Cr17Ni14Mo2 | WCB |
| 填料壓環 | 1Cr18Ni9Ti | 00Cr18Ni10 | 1Cr18Ni12Mo2Ti | 00Cr17Ni14Mo2 | 1Cr13 |
| 螺栓 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 1Cr17Ni2 | 35CrMoA |
| 螺母 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 45 |
J41W法蘭截止閥1.6MPa連接尺寸及重量：
| 尺寸 | DN | 15 | 20 | 25 | 32 | 40 | 50 | 65 | 80 | 100 | 125 | 150 | 200 | 250 | 300 | 350 | 400 |
| L | mm | 130 | 150 | 160 | 180 | 200 | 230 | 290 | 310 | 350 | 400 | 480 | 600 | 650 | 750 | 850 | 950 |
| H | mm | 200 | 243 | 253 | 280 | 312 | 321 | 325 | 355 | 415 | 460 | 510 | 700 | 975 | 1115 | 1250 | 1380 |
| W | mm | 120 | 140 | 160 | 160 | 200 | 200 | 240 | 240 | 280 | 320 | 360 | 560 | 600 | 700 | 800 | 900 |
| 重量 | kg | 5 | 6.5 | 7 | 13.5 | 16 | 32 | 45 | 60 | 80 | 107 | 134 | 268 | 449 | 663 | 750 | 1170 |
