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	一、H42F襯氟立式止回閥概述:
FEP(F46)、PCTFE(F3)襯氟立式止回閥適用在-50℃~150℃的各種濃度的王水、硫酸、鹽酸、氫氟酸和各種有機酸、強酸、強氧化劑,FEP還適用于各種濃度的強堿有機溶劑以及其它腐蝕性氣體、液體介質的管路上使用。
二、H42F襯氟立式止回閥零件材料:
| 零件名稱 | 材料 | 
| 上下閥體 | 鑄鐵、鑄鋼、不銹鋼、內襯F46、F3 | 
| 閥 瓣 | 鑄鋼、不銹鋼、襯F46、F3 | 
| 墊 圈 | F4 | 
	
三、H42F襯氟立式止回閥技術規范:
| 設計標準 | GB12224 | 
| 結構長度 | GB12221 | 
| 法蘭標準 | JB/T79-94 | 
| GB9113.1-26 | |
| 檢驗試驗 | GB/T13927 | 
	
四、H42F襯氟立式止回閥連接尺寸:
 
| 公稱通徑 | 標準值 | 參考值 | |||||||
| 
					DN | 
					NPS | L | D | D1 | D2 | f | b | Z-Φd | WT(Kg) | 
| PN0.6MPa | |||||||||
| 15 | 1/2 | 80 | 80 | 55 | 40 | 2 | 12 | 4-Φ14 | 2.5 | 
| 20 | 3/4 | 90 | 90 | 65 | 50 | 2 | 14 | 4-Φ14 | 3.5 | 
| 25 | 1 | 100 | 100 | 75 | 60 | 2 | 14 | 4-Φ14 | 4 | 
| 32 | 11/4 | 110 | 120 | 90 | 70 | 2 | 16 | 4-Φ18 | 5 | 
| 40 | 11/2 | 125 | 130 | 100 | 80 | 3 | 16 | 4-Φ18 | 6 | 
| 50 | 2 | 140 | 140 | 110 | 90 | 3 | 16 | 4-Φ18 | 8 | 
| 65 | 21/2 | 160 | 160 | 130 | 110 | 3 | 16 | 4-Φ18 | 10 | 
| 80 | 3 | 185 | 185 | 150 | 125 | 3 | 18 | 8-Φ18 | 13 | 
| 100 | 4 | 210 | 205 | 170 | 145 | 3 | 18 | 8-Φ18 | 25 | 
| 150 | 6 | 300 | 260 | 225 | 200 | 3 | 20 | 8-Φ23 | 46 | 
| 200 | 8 | 380 | 315 | 280 | 255 | 3 | 22 | 12-Φ23 | 100 | 
| 250 | 10 | 356 | 370 | 335 | 310 | 3 | 24 | 12-Φ23 | 155 | 
| 300 | 12 | 457 | 435 | 395 | 362 | 4 | 24 | 12-Φ23 | 180 | 
| 350 | 14 | 533 | 485 | 445 | 412 | 4 | 26 | 16-Φ23 | 220 | 
| 400 | 16 | 572 | 535 | 495 | 462 | 4 | 28 | 16-Φ23 | 275 | 
| 450 | 18 | 610 | 590 | 550 | 518 | 4 | 28 | 16-Φ23 | 300 | 
| 500 | 20 | 610 | 640 | 600 | 568 | 4 | 30 | 16-Φ23 | 392 | 
| PN1.0MPa | |||||||||
| 15 | 1/2 | 80 | 95 | 65 | 45 | 2 | 14 | 4-Ф14 | 2.5 | 
| 20 | 3/4 | 90 | 105 | 75 | 55 | 2 | 16 | 4-Ф14 | 3.5 | 
| 25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-Ф14 | 4 | 
| 32 | 11/4 | 110 | 135 | 100 | 78 | 2 | 18 | 4-Ф18 | 5 | 
| 40 | 11/2 | 125 | 145 | 110 | 85 | 3 | 18 | 4-Ф18 | 6 | 
| 50 | 2 | 140 | 160 | 125 | 100 | 3 | 20 | 4-Ф18 | 8 | 
| 65 | 21/2 | 160 | 180 | 145 | 120 | 3 | 20 | 4-Ф18 | 10 | 
| 80 | 3 | 185 | 195 | 160 | 135 | 3 | 22 | 4-Ф18 | 13 | 
| 100 | 4 | 210 | 215 | 180 | 155 | 3 | 22 | 8-Ф18 | 25 | 
| 150 | 6 | 300 | 280 | 240 | 210 | 3 | 24 | 8-Ф23 | 46 | 
| 200 | 8 | 380 | 335 | 295 | 265 | 3 | 26 | 8-Ф23 | 100 | 
| 250 | 10 | 356 | 390 | 350 | 320 | 3 | 28 | 12-Ф23 | 155 | 
| 300 | 12 | 457 | 440 | 400 | 368 | 4 | 28 | 12-Ф23 | 180 | 
| 350 | 14 | 533 | 500 | 460 | 428 | 4 | 30 | 16-Ф23 | 220 | 
| 400 | 16 | 572 | 565 | 515 | 482 | 4 | 32 | 16-Ф25 | 275 | 
| 450 | 18 | 610 | 615 | 565 | 532 | 4 | 32 | 20-Ф25 | 300 | 
| 500 | 20 | 610 | 670 | 620 | 585 | 4 | 34 | 20-Ф25 | 392 | 
| PN1.6MPa | |||||||||
| 15 | 1/2 | 80 | 95 | 65 | 45 | 2 | 14 | 4-Ф14 | 2.5 | 
| 20 | 3/4 | 90 | 105 | 75 | 55 | 2 | 16 | 4-Ф14 | 3.5 | 
| 25 | 1 | 100 | 115 | 85 | 65 | 2 | 16 | 4-Ф14 | 4 | 
| 32 | 11/4 | 110 | 135 | 100 | 78 | 2 | 18 | 4-Ф18 | 5 | 
| 40 | 11/2 | 125 | 145 | 110 | 85 | 3 | 18 | 4-Ф18 | 6 | 
| 50 | 2 | 140 | 160 | 125 | 100 | 3 | 20 | 4-Ф18 | 8 | 
| 65 | 21/2 | 160 | 180 | 145 | 120 | 3 | 20 | 4-Ф18 | 10 | 
| 80 | 3 | 185 | 195 | 160 | 135 | 3 | 22 | 8-Ф18 | 13.5 | 
| 100 | 4 | 210 | 215 | 180 | 155 | 3 | 24 | 8-Ф18 | 28.5 | 
| 150 | 6 | 300 | 280 | 240 | 210 | 3 | 28 | 8-Ф23 | 48 | 
| 200 | 8 | 380 | 335 | 295 | 265 | 3 | 30 | 12-Ф23 | 105 | 
| 250 | 10 | 356 | 405 | 355 | 320 | 3 | 32 | 12-Ф25 | 165 | 
| 300 | 12 | 457 | 460 | 410 | 375 | 4 | 34 | 12-Ф25 | 195 | 
| 350 | 14 | 533 | 520 | 470 | 435 | 4 | 38 | 16-Ф25 | 238 | 
| 400 | 16 | 572 | 580 | 525 | 485 | 4 | 40 | 16-Ф30 | 295 |