【簡單介紹】
【詳細說明】
應用范圍:
*、核工業、船舶重工、石化、電力、化學、輕工、機械、科研、燃氣管網、工業窯爐、管道介質自動化控制等領域。
產品特點:
外觀精美;活塞結構;性能穩定;專制線圈,不易燒毀;zui適應在爆炸危險場所使用。
主要技術參數:
◆控制方式:常開、常閉、自保持式。
◆電源電壓: DC12~220V; AC24~380V。
◆閥體材質:鑄鋼、黃銅、鋁、四氟乙烯、不銹鋼。
◆適用介質:水、氣、油、腐蝕流體等。
◆壓力范圍:0~200MPa
◆溫度范圍:(-200、-50)~(+120、+200、+250)
0~(+300、+450、+600)℃。
◆介質粘度:小于
◆防護性能:防塵、防水、防爆。根據工況選擇。
◆接線方式:接線座式;引線式。
◆連接方式:法蘭、焊接、內螺紋(外螺紋和特殊接口可定做或加轉接頭)。
工作原理:
常閉:當線圈通電時,電磁鐵芯吸合,卸壓孔打開,主活塞由介質壓力推動,打開主閥口,介質流通。
當線圈斷電時,主閥口關閉,介質截止。
常開:當線圈通電時,電磁鐵芯吸合,卸壓孔關閉,主活塞由介質壓力推動,關閉主閥口,介質截止。
當線圈斷電時,主閥口打開,介質流通。
Applications:
It is widely used in metallurgy, petrochemical, pharmaceutical, food, medical, textile and other fields. For small-caliber, low-pressure pipeline system.
Features:
Small size, attractive appearance; coils directly start the spool, the valve is closed by a spring reset; zero-voltage start-up; leakage is zero; authoritarian coil, easily burned; unlimited installation direction of the body.
Main technical parameters:
Specifications: | DN8 ~ DN300 |
Body material: | Cast iron body, cast steel body, stainless steel (not cast iron body and steel body fluids in corrosion on) |
Medium: | Water, gas, oil, steam, gas, corrosive fluids |
Temperature range: | -20 ~ +200 ℃ |
Media Viscosity: | Less than 50C St (greater than the time to be customized) |
Protection performance: | Waterproof, explosion-proof (Exd IICT5), anti-corrosion |
Wiring: | Terminal Block Type; lead type; male |
Control: | NC |
Power supply voltage: | DC24 ~ 127V; AC36 ~ 380V |
Connection: | Thread, flange (male and special interfaces or add custom adapter) |
How it works:
NC: When the coil is energized, the electromagnetic force pilot hole first open the main valve piston chamber pressure drops, pressure and electromagnetic force to take advantage of the pilot spool pickup linked the main piston, valve port open; power failure, by a spring Reset pilot hole off the main piston chamber pressurization, push the main piston moves down, the valve closed. Always open and always closed the opposite.
Size:
DN | 連接尺寸 Connection size (D) (D) | L (Mm) | L1 (Mm) | H (Mm) | H1 (Mm) | B (Mm) | Weight | L (Mm) | L1 (Mm) | H (Mm) | H1 (Mm) | B (Mm) | Weight | |
DN15 | G1/2 | 70 | 14 | 125 125 | 14 14 | 56 56 | ||||||||
DN20A | G3/4 | 80 | 15 | 145 145 | 16 16 | 56 56 | ||||||||
DN20B | B3 / 4 | 85 | 15 | 150 150 | 16 16 | 56 56 | 100 | 16 | 145 | 25 | 70 | |||
DN25 | G1 | 95 | 15 | 150 150 | 23 23 | 62 62 | 100 | 16 | 145 | 25 | 70 | |||
DN32 | G1 (1 / 4) | 115 | 18 | 165 165 | 28 28 | 75 75 | 120 | 20 | 160 | 33 | 85 | |||
DN40 | G1 (1 / 2) | 130 | 20 | 180 180 | 33 33 | 85 85 | 143 | 24 | 175 | 37 | 95 | |||
DN50 | G2 | 145 | 20 | 195 195 | 41 41 | 100 100 | 155 | 24 | 185 | 44 | 125 | |||
Body material | Stainless Steel | Cast iron | ||||||||||||
Apply pressure | 0 ~ 0.6MPa 0 ~ 1.0Mpa | |||||||||||||
Special Features |
進口防爆電磁閥http://www.likvalve.com/proshow.asp?proid=371
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