BURKERT伺服輔助式兩位兩通隔膜電磁閥技術參數(shù)
上海乾拓貿易有限公司
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電話；021-69001039
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地址：上海市嘉定區(qū)江橋嘉涌路99弄6號713室
0290為伺服式S.EV系列電磁閥。不需壓差即可打開閥門。其打開過程是通過膜片與鐵心的固定耦合完成的。內置的“soft-kick”功能以溫和的方式打開閥門。根據不同的應用，可以選擇各種膜片材質。閥體材質為不銹鋼和灰鑄鐵。電磁線圈采用耐化學腐蝕的環(huán)氧樹脂封裝。所有 DC 式都帶“kick and drop”電子線路，用以降低功耗。與 DIN EN 17301-803 A 型電纜插頭配套，該閥的安全防護等級為 IP65，不銹鋼閥體式 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
阻尼設計，閥門動作靜音
DC 式節(jié)能節(jié)電
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伺服輔助式兩位兩通隔膜電磁閥技術參數(shù)