Diaphragm Flow Switches

McDonnell & Miller FS1 low flow, inline, diaphragm flow switch

• Adjustable alarm set-point
• Brass body
• R½" (BSPT) or NPT thread.
• Unique diaphragm principle
• Compact size
• Stocked models include: FS1-J (p/n: 113550)

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McDonnell & Miller FS1-W low flow, inline, diaphragm flow switch with weatherproof enclosure

• Adjustable alarm set-point
• Brass body
• ½" NPT thread.
• Unique diaphragm principle
• Compact size
• NEMA 4X (~IP65) type housing
• Stocked models include: FS1-W (p/n: 113601)

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McDonnell & Miller FS6 low flow, inline, diaphragm flow switch

• General purpose applications
• Very low flows detected
• Brass bodies
• Process connection: ¾" or 1" BSPT or NPT female thread
• Adjustable sensitivity
• Stocked models include: FS6-1 (p/n: 115600), FS6-J-1 (p/n: 115650), FS6-J-¾ (p/n: 115550)

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McDonnell & Miller FS6-W low flow, inline, diaphragm flow switch with weatherproof enclosure

• General purpose applications
• Very low flows detected
• Brass bodies
• Process connection: ¾" or 1" BSPT or NPT female thread
• Adjustable sensitivity
• Enclosure: NEMA 4X (>IP65) type housing
• Stocked models incude: FS6-W-1 (p/n: 115652), FS6-WJ-1 (p/n: 115654), FS6-WJ-¾ (p/n: 115653)

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