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ARI-STEVI Smart 440/441 Control valve with electric/pneumatic actuator
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ARI-STEVI Smart 440/441 Control valve with electric/pneumatic actuator



Ÿ
Straight through

ŸParabolic plug, precision guided stem

ŸRangeability 50:1

ŸBurnished stem

ŸSpring loaded PTFE-V-ring unit

ARI-STEVI 440/441 Configurable actuator
ŸPneumatic actuator ARI-DP 32-34 Tri
ŸElectric actuator ARI-PREMIO 2,2-25KN/ARI-PREMIO-Plus 2G 2,2-25KN
ŸElectric actuator with fail-safe function FR2.1-2.2
ŸElectric actuator AUMA SAR 07.2-10.2
ARI-STEVI 440
ŸElectric actuator with fail-safe function FR1.2

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Description



Ÿ
Straight through

ŸParabolic plug, precision guided stem

ŸRangeability 50:1

ŸBurnished stem

ŸSpring loaded PTFE-V-ring unit

ARI-STEVI 440/441 Configurable actuator
ŸPneumatic actuator ARI-DP 32-34 Tri
ŸElectric actuator ARI-PREMIO 2,2-25KN/ARI-PREMIO-Plus 2G 2,2-25KN
ŸElectric actuator with fail-safe function FR2.1-2.2
ŸElectric actuator AUMA SAR 07.2-10.2
ARI-STEVI 440
ŸElectric actuator with fail-safe function FR1.2


ARI-STEVI Smart 440/441 Straight through flange connection control valve is for variable industrial applications control systems, available with -E(electric) or -DP(pneumatic) actuators, steam seal can be flexibly selected, rolling seat ring design based on economic considerations.

Main Parameters
Nominal diameter: DN15-150,NPS1/2"-2"
Nominal pressure: PN16-40,ANSI150-300
Valve material: EN-JL1040,EN-JS1049,1.0619+N,1.4408
Fluid medium: Frozen water, Frozen oil,Warm water, Hot water,Steam, Gas, Coolant, Heat conduction oil/thermal oil, etc
Actuator selection: Electric, Pneumatic

Model Category


Application field
Fig.440: Cold water, Sea water, Warm water, Hot water, Steam, Gas
Fig.441: Refrigerant, Cold water, Warm water, Hot water, Hot oil, Steam, Gas

ARI-STEVI Smart 440/441 Control valve with electric/pneumatic actuator
1)Economy and flexibility
Compact design with economical rolling seat ring parabolic valve head (optional V-port valve head) reduces KVS. Stem seal can be flexibly selected PTFE v-ring, PTFE seal, graphite seal, stainless steel bellows seal, etc
2)Durability
The precision guide of valve stem can greatly extend the service life of equipment and reduce the cost of replacement and maintenance.
With a 50:1 adjustment ratio, performance is superior.
3)Security
The sealing ring is pressed by spring to seal the equipment tightly, so as to achieve the safe operation effect without leakage.
Double corrugated pipe design is also optional

Picture Show

ARI-STEVI 440/441 with
ARI-DP 32-34 Tri Pneumatic actuator

ARI-STEVI 440/441 with ARI-PREMIO 2,2-25KN Electric actuator