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A leading provider of products and services across offshore & shipbuilding and petrochemical industries.
Products
- New Products
- Ball Valves
- Butterfly Valves
- Gate Globe Check Valves
- On-off Valves
- Cryogenic Valves
- Safety Valves
- Control Valves
- Steam Trapping
- Instrumentation Valves
- Oil Equipments
- Corrosion Resistant Valves
- Marine Valve
- Special Valve
- Special Material
- Systems
Description
•Straight through
•Parabolic plug, shaft guided
•Range ability 50:1（1"-6"/DN25-150）
30:1（8"/DN200）
•Burnished stem
•Spring loaded PTFE-V-ring unit
•Body material : SA216WCB
•Electric and pneumatic actuators
•Optional: - stainless steel bellows seal
- parabolic plug with PTFE-soft sealing
ARI-STEVI 470/471-ANSI Straight through control valves for harsh operating conditions, with high cost performance. Strictly manufacture under ANSI standards. Available with -E(electric) or -DP(pneumatic) actuators, with screwed seat ring, shaftguided plug and blow-out protected stem.
Main Parameters
Nominal diameter: NPS 1"-8" (DN25-DN200)
Nominal pressure: ANSI 150-300
Valve material: SA216WCB
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
(Alliance).jpg)
ARI-STEVI 470/471-ANSI Straight through control valves for harsh operating conditions
1）Flexibility
The design of the equipment is very flexible: the stem seal accessories are optional PTFE v-ring PTFE seal graphite seal stainless steel bellows seal, etc. Valve head, stem, threaded seat and other internals can be replaced flexibly; Kvs value can be reduced by up to 6 levels.
2）Durability
Valve stem can extend the service life of equipment and reduce the cost of replacement and maintenance
In addition, the valve head is porous (or parabolic), greatly reducing equipment noise
3）Security
Designed anti-shedding, shaft guide valve head;The design of double corrugated pipe without leakage greatly improves the safety of the equipment
Picture Show
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Main Parameters
Nominal diameter: NPS 1"-8" (DN25-DN200)
Nominal pressure: ANSI 150-300
Valve material: SA216WCB
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
ARI-STEVI 470/471-ANSI Straight through control valves for harsh operating conditions
1）Flexibility
The design of the equipment is very flexible: the stem seal accessories are optional PTFE v-ring PTFE seal graphite seal stainless steel bellows seal, etc. Valve head, stem, threaded seat and other internals can be replaced flexibly; Kvs value can be reduced by up to 6 levels.
2）Durability
Valve stem can extend the service life of equipment and reduce the cost of replacement and maintenance
In addition, the valve head is porous (or parabolic), greatly reducing equipment noise
3）Security
Designed anti-shedding, shaft guide valve head;The design of double corrugated pipe without leakage greatly improves the safety of the equipment
Picture Show
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