Place of Origin: | Made In Singapore |
Brand Name: | Fisher |
Model Number: | 3582i |
Minimum Order Quantity: | Negotiation |
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Price: | Negotiation |
Packaging Details: | Each Set Packed In One Carton |
Delivery Time: | 10-15days |
Payment Terms: | T/T, Western Union, MoneyGram |
Supply Ability: | 20sets in 15days |
Name: | Fisher 3582i Electro Pneumatic Valve Positioner | Communication Protocol: | 4-20mA Analog |
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Data Interface: | Wired | Input Signal: | Electric |
Process Control: | Flow, Pressure, Temperature, Level | Supply Media: | Air |
Highlight: | valve actuator positioner,fisher control valve positioner,20mA Single Acting Positioner |
Fisher 3582 Pneumatic Single Acting Positioner and Type 3582i Electro Pneumatic Valve Positioner
Fisher 3582 pneumatic valve positioners are used with diaphragm-actuated, sliding-stem control valve assemblies. This pneumatic valve positioner receives a pneumatic input signal from a control device and modulates the supply pressure to the control valve actuator, providing an accurate valve stem position that is proportional to the pneumatic input signal.
The 3582 Series pneumatic valve positioners, shown in figure 1, and the Type 3582i electro-pneumatic valve positioners, shown in figure 2, are used with diaphragm-actuated, sliding-stem control valve assemblies. The pneumatic valve positioners receive a pneumatic input signal from a control device and modulate the supply pressure to the control valve actuator, providing an accurate valve stem position that is proportional to the pneumatic input signal.
Fisher 3582NS positioners meet typical requirements of the nuclear power industry. The Type 3582NS construction includes materials that provide superior performance at elevated temperature and radiation levels. The O-rings are EPDM (ethylene propylene) and the diaphragms are EPDM/Nomex. EPDM demonstrates superior temperature capability and shelf life over nitrile. The Nomex diaphragm fabric demonstrates improved strength retention at elevated temperature and radiation conditions.
In addition, the Type 3582NS positioner is qualified “commercial grade dedicated” under Fisher’s 10CFR50, Appendix B, quality assurance program.
These can be supplied as 10CFR21 items. Fisher Type 3582i electro-pneumatic valve positioner consists of a Type 582i electro-pneumatic converter installed on a Type 3582 pneumatic valve positioner.
Emerson Fisher brand 3582i positioner provides an accurate valve stem position that is proportional to a dc current input signal.The Type 582i electro-pneumatic converter, shown in figure 5, is a modular unit that can be installed at the factory or in the field(2). The converter receives a dccurrent input signal and provides a proportional pneumatic output signal through a nozzle/flapper arrangement. The pneumatic output signal provides the input signal to the pneumatic positioner, eliminating the need for a remote mounted transducer.
3582 Series Pneumatic and Type 3582i Electro Pneumatic Valve Positioners
Specifications
Available Configurations
Refer to the Type Number Description
Input Signal
For 3582 Series: 0.2 to 1.0 bar (3 to 15 psig), 0.4 to 2.0 bar (6 to 30 psig), or split range
For Type 3582i Only:
4 to 20 mA DC constant current with 30 VDC maximum compliance voltage, can be split range
Equivalent Circuit
For Type 3582i Only:
120 ohms shunted by three 5.6-volt zener diodes
Output Signal
Type: Pneumatic pressure as required by actuator up to 95 percent of maximum supply
Action(1): Field-reversible between direct and reverse within the pneumatic valve positioner
Supply Pressure(1)
Recommended: 0.3 bar (5 psi) above actuator requirement
Maximum: 3.4 bar (50 psig) or pressure rating of actuator, whichever is lower
Maximum Input Bellows Pressure Rating
2.4 bar (35 psig)
Maximum Steady-State Air Consumption(1)(2)
For 3582 Series
1.4 bar (20 psig) Supply: 0.38 normal m3/hr (14.0scfh)
2.0 bar (30 psig) Supply: 0.48 normal m3/hr (18.0scfh)
2.4 bar (35 psig) Supply: 0.54 normal m3/hr (20.0scfh)
For Type 3582i Only
1.4 bar (20 psig) Supply: 0.42 normal m3/hr (17.2scfh)
2.0 bar (30 psig) Supply: 0.53 normal m3/hr (21scfh)
2.4 bar (35 psig) Supply: 0.59 normal m3/hr (24scfh)
Maximum Supply Air Demand(1)(2)
For 3582 Series and Type 3582i:
1.4 bar (20 psig) Supply: 4.7 normal m3/hr (164.5scfh)
2.0 bar (30 psig) Supply: 7.0 normal m3/hr (248.5)
2.4 bar (35 psig) Supply: 8.1 normal m3/hr (285.5scfh)
Performance
For 3582 Series:
Independent Linearity(1): ±1 percent of output signal span
Hysteresis(1): 0.5 percent of span
For Type 3582i Only:
Independent Linearity(1): ±2 percent of output signal span
Hysteresis(1): 0.6 percent of span
Electromagnetic Interference (EMI)(1): When tested per IEC 801-3 (1984), change in steady-state deviation is less than ±1% at an electromagnetic field strength of 30 V/m from 20 to 1000 MHz.Positioner is tested with housing cap on and with external field wiring in rigid metal conduit.
For 3582 Series and Type 3582i:
Open Loop Gain (Output Signal)(1):
100 in the range of 0.2 to 1.0 bar (3 to 15 psig)
55 in the range of 0.4 to 2.0 bar (6 to 30 psig)
Operating Influences(1)
Supply Pressure, For 3582 Series Units: Valve travel changes less than 1.67 percent per bar (0.25percent per 2 psi) change in supply pressure
Supply Pressure, For Type 3582i Units: Valve travel changes less than 3.62 percent per bar (1.5percent per 2 psi) change in supply pressure
Operative Temperature Limits(1)
Standard Construction, For 3582 Series and
Type 3582i Units: –40 to +71_C (–40 to +160_F)
Type 3582NS Units: –40 to +82_C (–40 to +180_F)
with EPDM elastomers
High-Temperature Construction(3), For Types
3582A and C Only: –18 to +104_C (0 to +220_F)
Electrical Classification
For Type 3582i Only:
Refer to the Hazardous Area Classifications Bulletin
for specific approvals.
Housing Classification
For Type 3582i Only:
NEMA 3, IEC 60529 IP54: Mounting orientation
requires vent location to be below horizontal
Features
Table 1. Split-Range Capabilities
3582 SERIES POSITIONERS | ||||
Split | 0.2 to 1.0 Bar or 3 to 15 Psig Input Signal |
0.4 to 2.0 Bar or 6 to 30 Psig Input Signal |
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Bar | Psi | Bar | Psi | |
Two-way | 0.2 to 0.6 0.6 to 1.0 |
3 to 9 9 to 15 |
0.4 to 1.2 1.2 to 2.0 |
6 to 18 18 to 30 |
Three-way | 0.2 to 0.5 0.5 to 0.7 0.7 to 1.0 |
3 to 7 7 to 11 11 to 15 |
0.4 to 0.9 0.9 to 1.5 1.5 to 2.0 |
6 to 14 14 to 22 22 to 30 |
TYPE 3582i POSITIONER | ||||
Split | 4 to 20 Milliampere Input Signal |
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Two-way | 4 to 12 12 to 20 |
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Three-way | 4 to 9.3 9.3 to 14.7 14.7 to 20 |
Contact Person: Mr. Barry Wang
Tel: +86-1391-318-7965
Fax: 86-512-66079692
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