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Home  >  HVAC  >  Zone Valves, Globe Valves & Actuators  >  Pneumatic Zone Valve, Globe Valve & Actuators  >  Pneumatic Zone & Globe Valve (Complete Units)  >  257-02044

Siemens 3/4" FNPT Valve Assembly, N.O., 6.3 Cv, 3-8 PSI Pneumatic Brass Trim

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$32032
Special Order

 

SKU: 257-02044

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Siemens 257-02044 Pneumatic Valve Assembly 1/2" Female NPT.
Applications
Typical applications include control of hot or chilled water, glycol solutions up to 50%, or steam up to 15 psi (103 kPa).
Features
• Direct-coupled universal bonnet/no tools required for installation
• Choice of brass or stainless steel trim
• ANSI Leakage Class IV (0.01% of Cv)
• ANSI Class 250
• Greater than 100:1 rangeability for Cv > 1.0
• Rated for 15 psi steam with stainless steel trim

Stock shown on hand can change at anytime without notice or may already be spoken for. Please inquire by phone to confirm precise amounts available at that time.
Alberta
Edmonton (DC): 0
Edmonton (South): 0
Calgary: 0
British Columbia
Richmond: 0
Surrey: 0
Manitoba
Winnipeg: 0
Saskatchewan
Saskatoon: 0
Ontario
Hamilton: 0
London: 0
Mississauga: 0
Scarborough: 0
Windsor: 0
These are estimated number of days using averages of past orders for inventory arriving to each branch location and are not guaranteed. If you need to verify manufacturer stock please email customercare@amresupply.com or call us at 1-800-661-9891.
Amre Branch # of Days
Calgary: 27
Edmonton Downtown: 31
Edmonton South: 41
London: 12
Mississauga: 8
Richmond: 13
Saskatoon: 22
Scarborough: 18
Surrey: 2
Winnipeg: 12


Product Specifications

  Action: Normally Open
  Actuator Force: 67 lbf. (300 N)
  Air Connections: 1/8” NPT Barbed Fitting
  Body Pattern: Two-Way
  Capacity Cv ( Kv ): 6.3 CV
  Close-off Ratings at Branch Line Pressure: According to ANSI/FCI 70-2
  Connection Size (in): 3/4 Female NPT
  Controlled Fluid: Water & Steam, Glycol Solutions up to 50%
  Dimensions: Center Line to 3-1/16 H x 4" W
  Effective Diaphragm Area: 3.4 in.2 (22 cm2)
  Fail Safe Mode: Spring Return NO
  Maximum Diaphragm Pressure : 35 psig (241 kPa)
  Maximum Operating Pressure (psi): 25 psi (173 kPa)
  Spring Range (kPa): 3 to 8 psig (21 to 55 kPa)
  Stroke (in): 7/32” (5.5 mm)
  Temperature Range (F): 35 to 250°F (2 to 120°C)
  Trim Materials: Brass
  Valve Body Rating: ANSI Class 250
  Valve Type: Globe

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