Pilgrim Pressure Switches B-SERIES Manual de usuario Pagina 4
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Overpressure Ratings Approximate Deadband
(2)
Switch Element
Nominal Range
(1)
Proof psi Burst psi 20, 26, 27 21, 24, 31 50 22 32
Vacuum
–30˝ Hg –760mm Hg -100 kPa 500 1000 0.3-0.7 1.5-3.0 0.5-2.2 0.4-1.5 2.1-4.2
Compound
–15˝ H
2
O/ –375mm H
2
O/ –3.7 kPa/ 20 35 0.15-.75/ 1.5-2.5/ 0.45-2.0/ 0.5-1.2/ 2.1-3.5/
15˝ H
2
O 375mm H
2
O 3.7 kPa 0.15-.75 1.5-2.5 0.45-2.0 0.5-1.2 2.1-3.5
–30˝ H
2
O/ –760mm H
2
O/ –7.5 kPa/ 20 35 0.30-.60/ 1.5-2.5/ 0.45-2.0/ 0.5-1.5/ 2.1-3.5/
30˝ H
2
O 760mm H
2
O 7.5 kPa 0.30-.60 1.5-2.5 0.45-2.0 0.5-1.5 2.1-3.5
–30˝ Hg/ –760mm Hg/ –100 kPa/ 0.5-1.0/ 2.0-3.0/ 0.75-2.5/ 0.7-1.8/ 2.8-4.2/
15 psi 1.0 kg/cm
2
100 kPa 500 1000 0.3-0.7 0.5-1.5 0 .5-1.0 0.7-1.4 0.7-2.1
–30˝ Hg/ –760mm Hg/ –100 kPa/ 1.0-1.5/ 3.0-6.0/ 1.2-4.5/ 1.4-2.4 4.2-8.4/
30 psi 2.0 kg/cm
2
200 kPa 500 1000 0.3-0.8 1.0-2.0 0.7-1.5 0.4-1.3 1.4-2.8
–30˝ Hg/ –760mm Hg/ –100 kPa/ 2.0-3.0/ 5.0-9.0/ 2.5-7.0/ 2.8-4.5 7.0-12.0/
60 psi 4.0 kg/cm
2
400 kPa 500 1000 0.7-1.5 3.0-5.0 1.1-4.0 1.0-2.3 4.2-7.0
Pressure
10˝ H
2
O 250mm H
2
O 2.5 kPa 20 35 0.2-0.5 1.0-2.0 0.35-1.5 0.4-1.0 1.4-2.8
30˝ H
2
O 750mm H
2
O 7.5 kPa 20 35 0.3-0.6 1.5-2.5 0.45-2.0 0.5-2.0 2.1-3.5
60˝ H
2
O 1500mm H
2
O 15 kPa 20 35 0.5-1.3 1.5-3.5 0.9-2.5 0.7-3.0 2.1-5.0
100˝ H
2
O 2500mm H
2
O 25 kPa 20 35 0.6-1.6 2.5-5.5 1.1-4.0 1.0-4.0 3.5-7.7
150˝ H
2
O 3750mm H
2
O 37 kPa 20 35 1.0-2.5 4.5-8.5 1.7-6.5 2.0-6.0 6.0-12.0
15 psi 1.0 kg/cm
2
100 kPa 2400 3000 0.1-0.35 0.5-1.5 0.2-1.0 0.4-1.0 0.7-2.1
30 psi 2.0 kg/cm
2
200 kPa 2400 3000 0.1-0.50 0.5-1.5 0.3-1.0 0.4-1.0 0.7-2.1
60 psi 4.0 kg/cm
2
400 kPa 2400 3000 0.3-1.0 1.0-3.5 0.7-2.5 0.6-2.0 1.4-5.0
100 psi 7.0 kg/cm
2
700 kPa 2400 3000 0.5-1.7 1.5-5.0 1.1-3.5 1.0-4.5 2.1-7.0
200 psi 14 kg/cm
2
1400 kPa 2400 3000 1-3 5-13 2-9 3.0-7.5 7.0-18.2
400 psi 28 kg/cm
2
2800 kPa 2400 3000 4-7.5 5-24 5.5-15 4.0-11.0 7.0-33.6
600 psi 42 kg/cm
2
4200 kPa 2400 3000 4-11 9-30 7-20 5.0-23.0 12.6-42
1000 psi 70 kg/cm
2
7000 kPa 12000 18000 7-30 30-110 18-70 15-80 42-154
3000 psi 210 kg/cm
2
2100 kPa 12000 18000 15-60 80-235 37-160 30.0-230 112-329
4
PRESSURE AND DIFFERENTlAL PRESSURE SWITCHES
NOTES:
1 Switches may generally be set between
15% and 100% of nominal range on
increasing pressure. Consult factory for
applications where setpoints must be
lower.
2 All deadbands are given in English units as
shown in the nominal range column.
Deadbands shown are for switches with
Buna N diaphragm. Approximate dead-
bands for optional diaphragms:
Viton: Multiply Buna N value by 1.4
Teflon: Multiply Buna N value by 1.2
Stainless Steel: Multiply Buna N value by 1.7
Monel: Multiply Buna N value by 1.7
Dual Switch Element: Multiply single switch
element value by 1.6 for approximate
deadband.
B-Series pressure, differential pressure
and vacuum switches use two different
actuators depending on setpoint require-
ments. For setpoints between 2 and
3000 psi, the simple, rugged diaphragm-
sealed piston actuator is used. This
design features high reliability and
choice of actuator seal materials for
virtually every application. An optional
welded design is also available for
setpoints up to 1000 psi for maximum
reliability. This design is available in 316
SS or Monel. Differential pressure
models use a unique, dual diaphragm-
sealed piston design that features very
high static operating pressures and
small size.
For setpoints between 4.5 and 150
inches of H
2
O, a large diaphragm is
used for increased sensitivity in both
pressure and differential pressure
designs with good choice of materials
of construction.
All standard models feature ±1 percent
of range setpoint repeatability and a
minimum of 400 percent of range proof
pressures.
These standard designs perform well in
applications where shock and vibration
could be a problem and may be used in
conjunction with Ashcroft diaphragm
seals in extreme services such as slur-
ries or abrasive process fluids.
PRESSURE/VACUUM SWITCHES
DIFFERENTIAL PRESSURE SWITCHES
Pressure Ratings Approximate Deadband
(2)
Switch Element
Static Work-
Nominal Range
(1)
ing Pressure
Proof psi 20, 26, 27 21, 24, 31 50 22 32
30˝ H
2
O 750mm H
2
O 7.5 kPa 5.4 21.6 0.3-0.6 1.5-2.5 0.45-2.0 0.5-2.0 2.1-3.5
60˝ H
2
O 1500mm H
2
O 15 kPa 5.4 21.6 0.5-1.3 1.5-3.5 0.9-2.5 0.7-3.0 2.1-5.0
100˝ H
2
O 2500mm H
2
O 25 kPa 5.4 21.6 0.6-1.6 2.5-5.5 1.1-4.0 1.0-4.0 3.5-7.7
150˝ H
2
O 3750mm H
2
O 37 kPa 5.4 21.6 1.0-2.5 4.5-8.5 1.8-6.5 2.0-6.0 6.3-12.0
15 psid 1.0 kg/cm
2
100 kPa 500 2000 0.5-1.0 2.0-5.0 0.7-3.5 0.7-1.4 2.8-7.0
30 psid 2.0 kg/cm
2
200 kPa 500 2000 1.0-2.0 2.0-5.0 1.5-3.5 1.4-2.8 2.8-7.0
60 psid 4.0 kg/cm
2
400 kPa 500 2000 2.0-4.0 3.0-6.0 3.0-4.5 2.8-5.6 4.2-8.5
100 psid 7.0 kg/cm
2
700 kPa 1000 4000 4.0-10.0 11.0-20.0 7.0-15.0 6.0-14.0 16.0-28.0
200 psid 14.0 kg/cm
2
1400 kPa 1000 4000 5.0-15.0 12.0-40.0 10.0-26.0 7.0-21.0 17.0-56.0
400 psid 28.0 kg/cm
2
2800 kPa 1000 8000 10.0-20.0 20.0-60.0 15.0-40.0 14.0-28.0 28.0-84.0
600 psid 42 0 kg/cm
2
4200 kPa 1000 8000 20.0-40.0 80.0-150.0 30.0-115.0 30.0-56.0 112.0-210.0
Values shown are for zero static working pressure.
- B-SERIES SWITCHES 1
- B-SERIES 2
- INFORMATlON 2
- Hermetically Sealed Switch 3
- PRESSURE/VACUUM SWITCHES 4
- ORDER INFORMATION 5
- TEMPERATURE SWITCHES 6
- THERMOWELLS 6
- PRODUCT SELECTION INFORMATION 9
- FOR HAZARDOUS LOCATIONS 10
- B-SERIES SWITCH OPTIONS 10
- TYPE 400 DIMENSIONS 12
- TYPE 700 DIMENSIONS 13
- APPLICATION INFORMATION 14
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