H41W-16P H41W-16R H41W-25P H41W-25R
H41Y-16P H41Y-16R H41Y-25P H41Y-25R
H41F-16P H41F-16R H41F-25P H41F-25R
產(chǎn)品概述
止回閥只供防止各類管路或設(shè)備上流體介質(zhì)逆流的單向啟閉閥。1、止回閥是靠流體介質(zhì)壓力而自行開啟或關(guān)閉的。2、升降式止回閥靠流體介質(zhì)從閥瓣下方往上流未預(yù)料到為開啟，反這則關(guān)閉。
技術(shù)參數(shù)
| 公稱壓力PN(MPa) | 試驗(yàn)壓力MPa | 適用介質(zhì) | 適用溫度 | |
| 殼體 | 密封 | |||
| 1.6 | 2.4 | 1.6 | 水、蒸氣、油品(C) 銷酸(P) 醋酸(R) | ≤425℃ |
| 2.5 | 3.75 | 2.5 | ||
| 4.0 | 6.0 | 4.0 | ||
閥門主要材料
| 零件名稱 | 材 料 | ||
| C | P | R | |
| 閥體 | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 導(dǎo)套 | 1Cr13，2Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 閥座密封面 | 507 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 閥瓣密封面 | 507Mo | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
主要連接尺寸
| 型 號(hào) | 公稱壓力PN(MPa) | 公稱通徑DN(MM) | 尺 寸 (mm) | 重量(Kg) | ||||||
| L | D | D1 | D2 | b | H | Z-d | ||||
| RH41H-16C RH41W-16P RH41W-16R | 1.6 | 25 | 160 | 115 | 85 | 65 | 16 | 71 | 4-14 | 3.3 |
| 32 | 180 | 135 | 100 | 78 | 18 | 84 | 4-18 | 5.0 | ||
| 40 | 200 | 145 | 110 | 85 | 18 | 96 | 4-18 | 6.3 | ||
| 50 | 230 | 160 | 125 | 100 | 20 | 115 | 4-18 | 8.9 | ||
| 65 | 290 | 180 | 145 | 120 | 20 | 145 | 4-18 | 13.2 | ||
| 80 | 340 | 195 | 160 | 135 | 22 | 156 | 8-18 | 24 | ||
| 100 | 350 | 215 | 180 | 155 | 24 | 170 | 8-18 | 48 | ||
| 125 | 400 | 245 | 210 | 185 | 26 | 201 | 8-18 | 60 | ||
| 150 | 480 | 280 | 240 | 210 | 26 | 238 | 8-23 | 95 | ||
