可調(diào)可視設(shè)定點(diǎn)刻度
特點(diǎn)：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：不能超過最大的可調(diào)工作壓力范圍
接點(diǎn)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
最大死區(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(xiàng) |
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(xiàng) (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 |
