ARI Armaturen Product

A. ARI Armaturen Product diversity

1. Control Valves STEVI Pro (straightway valves, Series 470/471/422/462)

• Precise and high performance: optimised flow characteristic
  quality
• Variable: at least 5 reducible Kvs values
• Variable: stem seal options (PTFE V-ring unit, PTFE packing, graphite packing, stainless steel bellows seal, EPDM sealing).
• Variable: changeable trim
• Minimal noise: multi-stage trim (optional)
• Safe: blow-out proof stem
• Safe: shaft guided plug
• Safe: two-ply bellows seal (optional)
• Long life: precision stem guiding
• Precise: even better control accuracy (optimised flow paths)
• Flexible: wide range of applications (very high differential pressures up to max. nominal pressure).
• Plug design: Parabolic plug, optional V-port or perforated plug (each optional: pressure balancing)
• Nominal diameter: DN 15-250 / NPS 1″-8″
• Nominal pressure: PN 16-40 / ANSI 150˜/˜ANSI 300
• Actuators: Electric or pneumatic
• Body materials: e.g. EN-JL1040, EN-JS1049, 1.0619+N, SA216WCB, 1.4581
• Flow media: e.g. hot water, steam, gas, refrigerant, brine, etc.

2. STEVI® Vario (straightway valves, Series 448/449)

• Long life: stem seals already proven millions of times over, service life now further extended (PTFE V-ring sealing units and EPDM linings).
• Optimum handling: actuator can be rotated 360°.
• Flexible: changeable, variable trim (at least 4 Kvs values as well as multiple flow characteristics and plug designs).
• Precise and durable: vibration is prevented even at high differential pressures (stable shaft guiding)
• Easy handling: small footprint and reduced weight (low height).
• Economical: very low air consumption (smaller pneumatic actuators possible)
• Plug design: Parabolic plug / perforated plug
• Nominal diameter: DN 15-100 / NPS ½” – 4″
• Nominal pressure: PN 16-40 / ANSI 150
• Actuators: Electric or pneumatic
• Body materials: e.g. EN-JL1040, EN-JS1049, 1.0619+N, 1.4408, SA216WCB, SA351CF8M
• Flow media: e.g. warm water, hot water, saturated steam,overheated steam, gas, coolant, cooling brine, refrigerant,thermal oil, etc

3. STEVI® Smart (straightway valves, Series 440/441/425/426)

• 50:1 rangeability for precision and high performance (inherent rangeability 40:1)
• Variable: stem seal options (PTFE V-ring unit, PTFE packing, graphite packing, stainless steel bellows seal, EPDM sealing).
• Long life: precision stem guiding.
• Safe: two-ply bellows seal (optional).
• Plug design: Parabolic plug, optional V-port plug (each optional: pressure balancing DN 65) /equal-percentage or linear characteristic
• Nominal diameter: DN 15-500
• Nominal pressure: PN 16-40
• Actuators: Electric or pneumatic
• Body materials: e.g. EN-JL1040, EN-JS1049, 1.0619+N, 1.4408
• Flow media: e.g. cooling water, brine, warm water, hot water, steam, gas, refrigerant, thermal oil, etc.

4. STEVI® Smart (3-way valves, Series 450/451/423/463)

•  30:1 rangeability for precision and high performance.
• Variable: reducible Kvs values.
• Variable: stem seal options (PTFE V-ring unit, PTFE packing,
• graphite packing, stainless steel bellows seal, EPDM sealings).
• Variable and economical: two screwed seat rings (optional).
• Long life: stable plug guidance.
• Long life: precision stem guiding.
• Safe: two-ply bellows seal (optional).
• Plug design: Mixing plug / diverting plug
• Nominal diameter: DN 15-300
• Nominal pressure: PN 16-40
• Actuators: Electric or pneumatic
• Body materials: e.g. EN-JL1040, EN-JS1049, 1.0619+N,1.4408
• Flow media: Cooling water, brine, warm water, hot water,
  refrigerant, thermal oil, etc.

5.  ARI-DP pneumatic actuators (DP32, DP35)

• High performance: broad spring rangeability (higher closing forces).
• Practical: reversible operating direction
• Economical: favourable size / performance ratio.
• Variable: wide range of accessories (positioners, solenoid valves, limit switches, etc.)
• Sizes up to 2800 cm² diaphragm area (DP 35).
• Durable even in aggressive environments: corrosion-resistant design (optional).
• Added safety through manual override (optional).
• Nominal diameter: Diaphragm area 80-2800˜cm²
• Actuating force: 490-83,000˜N
• Max. permitted air supply pressure: 6 bar
• Operating modes: Spring closes / air supply pressure closes body seat

6. STEVI® diversity (453, 415, 405/460, Stevi H)

B. Ari Armaturen Isolation Valve

1. Process Valves ZETRIX High Performance-Valves ZEDOX
2. Butterfly valves ZESA/GESA/ZIVA
3. Bellows sealed valves FABA Plus, FABA Supra i/C
4. Stop Valves with gland seal

C. Ari Armaturen Safet Valves

1. Safety Valves (DIN/EN) SAFE
2.  Safety Valves (DIN/EN) SAFE TCP
3. Safety Valves (API 526, ASME Reyco R)
4. Safety Valves (ASME) Reyco RL

D. Ari Armaturen Steam Trapping Valves

1. Steam traps CONA
2. Manifolds
3. Steam trap with ulti vaving technology
4. Mechanical Pump Systems