銅止回閥 | 立式止回閥 | 緩閉止回閥 | 高壓止回閥 | 梭式止回閥 | 蝶形止回閥 |
*止回閥 | 限流止回閥 | 橡膠止回閥 | 襯氟止回閥 | 鍛鋼止回閥 | 鑄鋼止回閥 |
碳鋼止回閥 | 美標(biāo)止回閥 | 德標(biāo)止回閥 | 高溫止回閥 | 彈簧止回閥 | 球形止回閥 |
蝶型止回閥 | 消聲止回閥 | 鴨嘴閥 | 螺紋止回閥 | 電站止回閥 | 保溫止回閥 |
法蘭止回閥 | 絲扣止回閥 | 對夾式止回閥 | 多功能止回閥 | 不銹鋼止回閥 | 旋啟式止回閥 |
升降式止回閥 |
產(chǎn)品名: | 升降式止回閥 |
型號: | H41H |
口徑: | DN32-200 |
壓力: | 2.5-10.0MPa |
材質(zhì): | 鑄鋼 |
止回閥是能自動(dòng)阻止流體倒流的閥門。止回閥的閥瓣在流體壓力作用下開啟,流體從進(jìn)口側(cè)流向出口側(cè)。當(dāng)進(jìn)口側(cè)壓力低于出口側(cè)時(shí),閥瓣在流體壓差、本身重力等因素作用下自動(dòng)關(guān)閉以防止流體倒流。
升降式止回閥的結(jié)構(gòu)一般與截止閥相似,其閥瓣沿著通道中心線作升降運(yùn)動(dòng),動(dòng)作可靠,但流體阻力較大,適用于較小口徑的場合。升降式止回閥可分為直通式和立式兩種。直通式升降式止回閥一般只能安裝在水平管路,而立式升降止回閥一般應(yīng)安裝在垂直管路。
型號 | 公稱 | 主要結(jié)構(gòu)尺寸(mm) | 閥體 材料 | 性能規(guī)范 | ||||||
通徑DN(mm) | 壓力PN(MPa) | D | D1 | L | L1 | H | 適用溫度(℃) | 適用介質(zhì) | ||
H41H-25 H41W-25P H41W-25R | 32 | 2.5 | 135 | | 180 | | | C:碳鋼 P:1Cr18Ni9Ti R:0Cr18Ni12Mo2Ti | C≤425 P≤200 R≤200 | C:水、油品、蒸氣等 P:硝酸類 R:醋酸類 |
40 | " | 145 | | 200 | | | ||||
50 | " | 160 | | 230 | | | ||||
65 | " | 180 | | 290 | | | ||||
80 | " | 195 | | 310 | | | ||||
100 | " | 230 | | 350 | | | ||||
125 | " | 270 | | 400 | | | ||||
150 | " | 300 | | 480 | | | ||||
200 | " | 360 | | 600 | | | ||||
H41H-40 H41W-40P H41W-40R | 32 | 4.0 | 135 | 180 | C:碳鋼 P:1Cr18Ni9Ti R:0Cr18Ni12Mo2Ti | C≤425 P≤200 R≤200 | C:水、油品、蒸氣等 P:硝酸類 R:醋酸類 | |||
40 | " | 145 | | 200 | | | ||||
50 | " | 160 | | 230 | | | ||||
65 | " | 180 | | 290 | | | ||||
80 | " | 195 | | 310 | | | ||||
100 | " | 230 | | 350 | | | ||||
125 | " | 270 | | 400 | | | ||||
150 | " | 300 | | 480 | | | ||||
200 | " | 360 | | 600 | | | ||||
H41H-64 | 32 | 6.4 | 150 | | 230 | | | 碳鋼 | ≤425 | 水、油品、蒸氣 |
" | 40 | " | 165 | | 260 | | | " | " | " |
" | 50 | " | 175 | | 300 | | | " | " | " |
" | 65 | " | 200 | | 340 | | | " | " | " |
" | 80 | " | 210 | | 380 | | | " | " | " |
" | 100 | " | 250 | | 430 | | | " | " | " |
H41H-100 | 32 | 10.0 | 150 | 230 | 碳鋼 | ≤425 | 水、油品、蒸氣 | |||
" | 40 | " | 165 | | 260 | | | " | " | " |
" | 50 | " | 195 | | 300 | | | " | " | " |
" | 65 | " | 200 | | 340 | | | " | " | " |
" | 80 | " | 230 | | 380 | | | " | " | " |
" | 100 | " | 265 | | 430 | | | " | " | " |