产品名称: PG系列 气用微压/微差压开关
产品型号: PG
可调可视设定点刻度
特点：大膜盒，高灵敏度，外部可视刻度可调，快动或水银密封开关，被列入UL，FM和CSA清单
介质：空气及相容气体
可调范围：250-7500Pa ～ 3.5-35 KPa
工作温度：0-82.2 ℃
额定压力：不能超过最大的可调工作压力范围
接点容量：SPDT为4A/120VAC, 2A/240VAC,SPST为6A /120VAC, 3A/240VAC
安装方式：垂直
尺寸：177.8X101.6mm
重量：3.4Kg
选型表：
| 型号 |
范围 |
最大死区 |
开关类型 |
| 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 |
|
举例 |
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 |
|
结构 |
PG |
|
|
|
|
General purpose enclosure, NEMA-1 (standard) |
UL |
FM |
CSA |
|
复位操作 |
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 |
|
封装选项 |
|
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. |
|
|
|
|
电路(开关)
选项
(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) |
|
|
|
|
可调压差范围 |
|
|
|
|
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. |
ELECTRICAL RATINGS - Mercury Switch
|
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 | |
回到页首
