ELECTRO-PNEUMATIC POSITIONER
EPR (Rotary Type)
Introduction
Robust valve control device giving a confidence in reliable performance and outstanding durability under harsh working environments
EPR Type 1
EPR Type 2
Features
- Easy maintenance
- Precise calibration with simple SPAN and ZERO adjustments
- Simple conversion to direct acting or reverse acting
- 1/2 split range available
- Rugged aluminum housing with corrosion-resistant coating
- Vibration resistant design
- Stainless steel gauges standard
- Restricted pilot valve orifice kit for small actuators included
- Certified for ATEX Eex md IIB T5 (05 ATEX 1076X) by NEMKO in conformance with EN 50014:1997, EN 50018:2000 and EN 50028:1987
- Certified for EMC (K1046/E04) in conformance with EN 61000-6-2:2001 and EN 61000-6-4:2001 by RWTUV
- Certified for Ex md IIB T6 (99-1075-Q1), Ex md IIC T6 (2000-1057-Q1),and Ex ia IIB T6 (2000-1056-Q1) by KOSHA
Options
- Position transmitter (4…20㎃ output signal)
- 2 X SPDT limit switch
- 2 X P&F proximity sensor NJ2-V3-N
- Visual dome indicator
- High temperature
Specification:
| EPR | ||
| Rotary Type (cam feedback) | ||
| Single | Double | |
| Input signal | 4~20㎃ DC | |
| Input resistance | 235 ± 15 Ω | |
| Air supply | Max. 7.0bar (100psi) free of oil, water, and moisture | |
| Operating angle | 60 ~ 100° | |
| Pneumatic connections | Rc 1/4 or NPT 1/4 | |
| Electrical connections | G 1/2 or NPT 1/2 | |
| Protection class | Ex md IIB T6, Ex md IIC( H₂) T6, IP66, Ex ia IIB T6 Eex md IIB T5 for ATEX | |
| Ambient temperature | -20 ~ +70℃ | |
| Pressure gauge | Stainless steel | |
| Output characteristics | Linear | |
| Linearity | Within ± 1.0% F.S | Within ± 1.5% F.S |
| Sensitivity | Within ± 0.5% F.S | |
| Hysteresis | Within 1.0% F.S | |
| Repeatability | Within ± 0.5% F.S | |
| Air consumption | 5 LPM (Sup. 1.4 kgf/㎤) | |
| Flow capacity | 80 LPM (Sup. 1.4 kgf/㎤) | |
| Material | aluminum die-cast | |
| Weight | ||
How to order:
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| Description | Code |
| Protection class : | F : Flameproof KC / NEPSI Ex dmb IIB+H2 T6 A : Flameproof KC Ex dmb IIC T6/T5 D : Flameproof IECEx Ex dmb IIC T6/T5 I : ATEX / IECEx intrinsically safe Ex ia IIC T6 W : Weatherproof to IP66 |
| Feedback shaft : | N : NAMUR shaft (direct mounting) A : Fork lever M6×40L B : Fork lever other size on request |
| Pressure gauge : | 1 : 6 bar (90psi) 2 : 10 bar (150psi, standard) |
| Pilot valve orifice : | S : Standard (actuator volume over180㎤) M : Small orifice (Ø1.0 or Ø0.7) (actuator volume 90~180㎤) |
| Position feedback : | N : None(standard) O : Position transmitter (4-20㎃ output signal) L : 2×SPDT limit switch P : 2×proximity sensor P&F NJ2-V3-N M : O+L Q : O+P |
| Description | Code |
| Connection threads : (pneumatic-electrical) | 3 : Rc 1/4 – G 1/2 (standard) 4 : NPT 1/4 – NPT 1/2 5 : Rc 1/4 – M20 X 1.5 |
| Dome Indicator : | N : Flat indicator (standard) D : Dome indicator |
| High temperature : (only for weatherproof type) | T : 70℃ (standard) H : 120℃ (without position feedback option) 85℃ (with position feedback option) |
Mounting bracket : ·Namur Shaft Type : ·Fork Lever Type : | N : None R : Multi-size Namur bracket for DIN VDI/VDE 3845 (130×30×50 bracket on request) F : DHCT bracket 80×30 for fork lever type E : Multi-size NAMUR bracket for fork lever type (130×30×50 bracket on request) |