SPA42/A44/A48型德標(biāo)安全閥用途
SPA42/A44/A48型德標(biāo)安全閥主要用于石油、天然氣、化工、電力、城市燃?xì)獾阮I(lǐng)域,作為超壓保護(hù)裝置,具有動(dòng)作精度高,重復(fù)性好,回座準(zhǔn)確,操作維護(hù)方便等特點(diǎn)。
SPA42/A44/A48型德標(biāo)安全閥結(jié)構(gòu)圖
型號(hào) | 公稱壓力PN | 閥體材質(zhì) | 公稱通徑DN | 工作溫度 |
SP A42/A44/A48 | PN40/16 | 鑄鋼 | DN20/32-DN150/250 | -10°C~+450cC |
SP A42/A44/A48 | PN40/16 | 不銹鋼 | DN20/32-DN100/150 | -60P ~ +400P |
DN | 20/32 | 25/40 | 32/50 | 40/65 | 50/80 | 65/100 | 80/125 | 100/150 | 125/200 | 150/250 |
流通孔徑(mm) | 12 | 16 | 20 | 25 | 32 | 40 | 48 | 65 | 80 | 90 |
SP系列德標(biāo)安全閥主要連接尺寸
SP A42/A44/A48型安全閥 | |||||||||||
DNxDNi | 20x32 | 25x40 | 32x50 | 40x65 | 50x80 | 65x100 | 80x125 | 100x150 | 125x200 | 150x250 | |
D | PN16 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 |
PN40 | 105 | 115 | 140 | 150 | 165 | 185 | 200 | 235 | 270 | 300 | |
K | PN16 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 180 | 210 | 240 |
PN40 | 75 | 85 | 100 | 110 | 125 | 145 | 160 | 190 | 220 | 250 | |
b | 20 | 20 | 20 | 21 | 22 | 24 | 26 | 28 | 31 | 34 | |
Di | PN16 | 140 | 150 | 165 | 185 | 200 | 220 | 250 | 285 | 340 | 405 |
Ki | 100 | 110 | 125 | 145 | 160 | 180 | 210 | 240 | 295 | 355 | |
bi | 19 | 19 | 20 | 20 | 20 | 20 | 22 | 22 | 27 | 29 | |
L | 85 | 100 | 110 | 115 | 120 | 140 | 160 | 180 | 200 | 225 | |
Li | 95 | 105 | 115 | 140 | 150 | 170 | 195 | 220 | 250 | 285 | |
"H | 309 | 306 | 315 | 328 | 346 | 435 | 455 | 600 | 653 | 680 | |
排污孔(帶螺塞) | G3/8" | G1/2" |