BURKERT伺服辅助式两位两通隔膜电磁阀技术参数
上海乾拓贸易有限公司
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0290为伺服式S.EV系列电磁阀。不需压差即可打开阀门。其打开过程是通过膜片与铁心的固定耦合完成的。内置的“soft-kick”功能以温和的方式打开阀门。根据不同的应用，可以选择各种膜片材质。阀体材质为不锈钢和灰铸铁。电磁线圈采用耐化学腐蚀的环氧树脂封装。所有 DC 式都带“kick and drop”电子线路，用以降低功耗。与 DIN EN 17301-803 A 型电缆插头配套，该阀的安全防护等级为 IP65，不锈钢阀体式 NEMA 4X。
Coil: Epoxy Stopper: 1.4105 Shading ring: Brass version: copper (only AC version) Stainless steel version: silver Spring: 1.4310 Magnetic core: 1.4105 Guide tube 1.4303 O– ring: (see ordering chart) Seat seal (see ordering chart) Diaphragm support Brass version: CuZn39983 disc Stainless steel version: 1.4401 Diaphragm (see ordering chart) Pilot seat Brass version: CuZn39983 cycle Electrical connection Cable plug for ? 7 mm cable (supplied as standard) Protection class IP 65 with cable plug Installation As required, preferably with actuator upright
Dimensions [mm] according to DIN 2501 DN D B E F H J L 12 NPT 1/2  95.5  40 14 40  73.0  74.5 20 NPT 3/4 122.0  60 16 49  86.5 100.0 25 NPT 1 131.0  70 18 49  91.5 115.0 32 NPT 1 1/4 145.0  85 20 49  99.0 126.0 40 NPT 1 1/2 154.0  85 22 49  99.0 126.0 50 NPT 2 211.0 115 24 72 126.0 164.0 
Stainless steel version: 1.4401 Body Brass or stainless steel
阻尼设计，阀门动作静音
DC 式节能节电
Technical data Orifice 7/16” – 2” (DN 12 – 50 mm) Body material Brass, stainless steel 1.4581 Internal parts of valve See drawing on page 2 Seal material NBR, FKM, EPDM Media NBR FKM EPDM Neutral media, compressed air, water, hydraulic oil Per-solutions, hot oils, oxygen Oil and fat-free media, e.g., hot water Media temperature for NBR for FKM for EPDM 14°F to 176°F (–10°C to +80°C) 32°F to 248°F (0°C to +120°C) –22°F to 248°F (–30°C to +120°C) Ambient temperature Max. 131°F (+55°C) Voltage tolerance ±10% Duty cycle 100% continuous

BURKERT伺服辅助式两位两通隔膜电磁阀技术参数