Mini-Photohelic 差壓開關(guān)表 MP-020
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陜西正捷工程科技有限責(zé)任公司
免費會員·9年DWYER PG系列氣用微壓/微差壓開關(guān)
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產(chǎn)品介紹
產(chǎn)品名稱: PG系列氣用微壓/微差壓開關(guān)
產(chǎn)品型號: PG
產(chǎn)品型號: PG
可調(diào)可視設(shè)定點刻度
特點：大膜盒，高靈敏度，外部可視刻度可調(diào)，快動或水銀密封開關(guān)，被列入UL，FM和CSA清單
介質(zhì)：空氣及相容氣體
可調(diào)范圍：250-7500Pa ～ 3.5-35 KPa
工作溫度：0-82.2 ℃
額定壓力：不能超過的可調(diào)工作壓力范圍
接點容量：SPDT為4A/120VAC, 2A/240VAC,SPST為6A /120VAC, 3A/240VAC
安裝方式：垂直
尺寸：177.8X101.6mm
重量：3.4Kg
選型表：
型號 范圍 死區(qū) 開關(guān)類型 PG-153-P1 1-30" water (.25-7.47 kPa) 1.9" w.c. (0.47 kPa) SPDT Mercury PG-153-P2 0.5-5 psid (.03-3.45 bar) 0.4 psid (0.38 bar) SPDT Mercury PG-3-P1 1-30" water (.25-7.47 kPa) 1.3" w.c. (0.32 kPa) SPST Mercury¹ PG-3-P2 0.5-5 psid (.03-3.45 bar) 0.3 psid (0.21 kPa) SPST Mercury¹ PG-7000-153-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Snap PG-7000-153-P2 0.5-5 psid (.03-3.45 bar) .5 psid (.035 bar) SPDT Snap PG-7000-153HS-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Hermetically Sealed Silver Snap PG-7000-153HG-P1 1-30" water (.25-7.47 kPa) 4" w.c. (1.0 kPa) SPDT Hermetically Sealed Gold Snap
舉例 | PG | 153 | P1 | PG-153-P1 (Vacuum) (Pressure) (Differential Pressure) Control, fixed deadband, automatic reset, SPDT mercury switch, adjustable range 1.0-30" w.c. (25-760 bar). | UL | FM | CSA | ||
結(jié)構(gòu) | PG | General purpose enclosure, NEMA-1 (standard) | UL | FM | CSA | ||||
復(fù)位操作 | PR | Manual reset, operates on pressure increase automatically, resets on decrease1 | UL | FM | CSA | ||||
| PRL | Manual reset, operates on pressure decrease automatically, resets on increase1 | UL | FM | CSA | |||||
封裝選項 | W | Weather-resistant enclosure, NEMA-2, 3R | FM | CSA | |||||
| E | Explosion-proof enclosure, NEMA-7, 9, Class I, Groups C & D; Class II, Groups E, F & G, includes drain, specify if for pressure, vacuum or differential pressure. | ||||||||
電路(開關(guān)) 選項 (For Electrical Codes see Chart Below) | 2 | SPST mercury switch, elect. code K†, opens on vacuum, pressure or differential pressure increase | UL | FM | CSA | ||||
2P | SPST mercury switch, elect. code L†, opens on vacuum, pressure or differential pressure increase | UL | FM | CSA | |||||
3 | SPST mercury switch, elect. code K†, closes on vacuum, pressure or differential pressure increase | UL | FM | CSA | |||||
3P | SPST mercury switch, elect. code L†, closes on vacuum, pressure or differential pressure increase | UL | FM | CSA | |||||
153 | SPDT mercury switch, elect. code M† | UL | FM | CSA | |||||
103 | DPST, two SPST mercury switches, elect. code L†, both close on increase, FM approved, PG, PGW only | UL | FM | CSA | |||||
105 | DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on decrease | UL | FM | CSA | |||||
127 | DPST, two SPST mercury switches, elect. code L†, both open on increase | UL | FM | CSA | |||||
129 | DPST, two SPST mercury switches, one elect. code L†, one elect. code N, both open on increase | UL | FM | CSA | |||||
158 | SPDT, two SPST mercury switches, one elect. code L† - opens on increase, one elect. code N - closes on increase | UL | FM | CSA | |||||
161 | SPDT, two SPST mercury switches, one elect. code L† - opens on decrease, one elect. code N - closes on decrease | UL | FM | CSA | |||||
156 | SPDT, two SPST mercury switches, elect. code L†, one- opens on increase, one closes on increase | UL | FM | CSA | |||||
804 | DPDT, two SPDT mercury switches, elect. code M† | ||||||||
(__) | Other circuits available, consult factory | ||||||||
7000 | 153 | SPDT, snap acting switch, rated 15A at 120 VAC, 8A at 240 VAC, 0.5A at 120 VDC, .25A at 240 VDC (1) | |||||||
153HS | SPDT, Hermetically sealed snap switch, rated 5A at 125/250 VAC, 5A resistive at 30 VDC | UL | |||||||
153HG | SPDT, Hermetically sealed gold contact snap switch, rated 1A at 125 VAC, 1A resistive at 30 VDC | UL | |||||||
7200 | 804 | DPDT, two SPDT snap acting switches, rated 5A at 120/240 VAC, 30 VDC resistive (1) | |||||||
可調(diào)壓差范圍 | P1 | Adjustable range 1.0-30" w.c. (25-760 bar), maximum sustained pressure 2 psig* (0.14 bar) | UL | FM | CSA | ||||
P2 | Adjustable range 0.5-5 psig (.03-.35 bar), maximum sustained pressure 10 psig* (0.69 bar) | UL | FM | CSA |
| * | Maximum sustained pressure 15 psig (1.0), maximum surge limit 20 psig (1.4), both ranges when used as single pressure switch with low pressure port vented to atmosphere. |
| 1 | 7000-153 and 7200-804 not available with PR or PRL manual reset. |
| † | See Electrical Rating Chart Below. |
CODE | RATING AC or DC |
K | 6A at 120 V, 3A at 240 V |
L | 10A at 120 V, 5 A at 240 V |
M | 4A at 120 V, 2A at 240 V |
N | 1A at 120 V, 0.5A at 240 V |
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