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Solenoid Valves- S7A, S7AL, S7F

Parker’s S7 series solenoid valves are available in a low pressure drop version that are capable of opening with a pressure drop less than 1 psi across the valve. This feature makes them ideal for applications where low pressure drop is important, such as low pressure liquid feed lines. The S7 is a pilot operated, positive lift, cast iron bodied valve. The valve may be opened by means of the manual opening stem for servicing or in case of electrical power failure. The Type S7 Solenoid Valve is furnished with FPT Internal NPT (U.S. Standard Taper Pipe Thread), Socket Weld, Weld Neck or ODS (sold

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Parker’s S7 series solenoid valves are available in a low pressure drop version that are capable of opening with a pressure drop less than 1 psi across the valve. This feature makes them ideal for applications where low pressure drop is important, such as low pressure liquid feed lines. The S7 is a pilot operated, positive lift, cast iron bodied valve. The valve may be opened by means of the manual opening stem for servicing or in case of electrical power failure. The Type S7 Solenoid Valve is furnished with FPT Internal NPT (U.S. Standard Taper Pipe Thread), Socket Weld, Weld Neck or ODS (solder over copper tubing of given diameter) connections.
 
Markets:
• Industrial Refrigeration
• Commercial Refrigeration
 
Features and Benefits:
• Standard Coil Housing Meets NEMA 3R and NEMA 4- Rain Tight
• Coil Housing Surpasses NEMA Salt Spray Test
• Molded Class “F” Coil Construction
• Pilot Light Available
• Stainless Steel Needle
• Manual Opening Stem
• Design Pressure (MRP): 27.6 bar (400 PSIG)
• Positive Lift, Held Open Electrically
 
Application:
• S7A – Most Liquid or Hot Gas Lines
• S7AL- Low Pressure Drop, Liquid Transfer from Intermediate to Low Pressure Vessels, and Equalizer Lines

Performance Characteristics  
Body Material
Gray Iron
Model Number
1 S7A
Valve Type
–
Maximum Rated Pressure (bar)
27.6bar
Maximum Rated Pressure (psig)
400psig
Minimum Working Temperature (C)
-50°C
Maximum Working Temperature (C)
105°C
Minimum Working Temperature (F)
-60°F
Maximum Working Temperature (F)
220°F
Flow Coefficient (Kv)
9.2 Kv
Flow Coefficient (Cv)
11 Cv
Plating
No Plating
Seat Material
PTFE
Operation Style
Standard
Port Size
1″
Strainer Type
Without Strainer
Flange Type
 
Connection
None
Coil Type
No Coil AC-No Coil Style
Check Valve Type
None

Performance Characteristics  
Body Material
Gray Iron
Model Number
1 S7A
Valve Type
–
Maximum Rated Pressure (bar)
27.6bar
Maximum Rated Pressure (psig)
400psig
Minimum Working Temperature (C)
-50°C
Maximum Working Temperature (C)
105°C
Minimum Working Temperature (F)
-60°F
Maximum Working Temperature (F)
220°F
Flow Coefficient (Kv)
9.2 Kv
Flow Coefficient (Cv)
11 Cv
Plating
No Plating
Seat Material
PTFE
Operation Style
Standard
Port Size
1″
Strainer Type
Without Strainer
Flange Type
 
Connection
None
Coil Type
No Coil AC-No Coil Style
Check Valve Type
None

Performance Characteristics  
Body Material
Gray Iron
Model Number
1 S7A
Valve Type
–
Maximum Rated Pressure (bar)
27.6bar
Maximum Rated Pressure (psig)
400psig
Minimum Working Temperature (C)
-50°C
Maximum Working Temperature (C)
105°C
Minimum Working Temperature (F)
-60°F
Maximum Working Temperature (F)
220°F
Flow Coefficient (Kv)
9.2 Kv
Flow Coefficient (Cv)
11 Cv
Plating
No Plating
Seat Material
PTFE
Operation Style
Standard
Port Size
1″
Strainer Type
Without Strainer
Flange Type
 
Connection
None
Coil Type
No Coil AC-No Coil Style
Check Valve Type
None

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