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- Pressure Connection Type: 1/8 in FNPT
- Mounting Hole Diameter: 0.28 in
- Temperature Limits: -30 to 110°F (-34.4 to 43.3°C).
Specifications
| Part Number | 1640-0 |
| Brand | Dwyer Instruments |
| Action | Standard |
| Contact Form | SPDT |
| Pressure Connection Type | 1/8 in FNPT |
| Range | .01-0.2" w.c. |
| Factory On Setting | 0.01"wc |
| Mounting Hole Diameter | 0.28 in |
| Item | Pressure Switch |
| Factory Off Setting | 0.2"wc |
| Standards | CE |
| Series | 1640 |
| Features | Floating “null†switch supports applications requiring two set point actions such as open and close damper control; Visible set point indicator simplifies operation and trouble shooting; Large diaphragm provides low range accuracy providing precise control |
| Electrical Connection | 3 screw type, common, normally open and normally closed. |
| Process Connection | 1/8" female NPT. |
| Set Point Adjustment | Screw type. |
| Temperature Limits | -30 to 110°F (-34.4 to 43.3°C). |
| Service | Air and non-combustible, compatible gases. |
| Agency Approvals | CE. |
| Switch Type | SPDT. |
| Mounting Orientation | Diaphragm in vertical position. Consult factory for other position orientations. |
| Mounting Hole Vertical Center to Center Distance | 76 mm |
| Number of Mounting Holes | 4 |
| Mounting Hole Horizontal Center to Center Distance | 51 mm |
Description
The Dwyer Instruments Series 1640-0 is a pressure switch with a 0.01 to 0.2 in H2O range. This type of switch actuates an electrical contact based on a change in system pressure. It features a floating "null" switch that supports applications requiring two set point actions, such as open and close damper control, and is CE approved.
Shipping and dispatch
Shipping method and available services depend on the item and delivery address. Check the product shipping information and checkout for shipping options and charges.
Dispatch times vary by product and supplier. Any supplier dispatch estimate shown is subject to availability. Transit time begins after shipment and is additional to dispatch time.
Freight shipments
Products identified as freight ship by truck. Review the available delivery service and charges at checkout; delivery arrangements depend on the selected service.
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Exact part numbers. Every listing starts with the manufacturer part number, so you can match it to the part in your equipment before you order. Not sure it fits? Ask us first.
Clear shipping. Check the product shipping information for the shipping method and any supplier dispatch estimate. Shipping options and charges are shown at checkout.
Real people. Call 617-286-6694 (Monday to Friday, 9 AM to 6 PM ET) or email support@proreplacementparts.com with a part number or model number.
Returns. Unopened parts can be returned within 30 days. Electrical and gas parts are final sale once opened. Details are on our Returns & Refunds page.
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
Description
- Pressure Connection Type: 1/8 in FNPT
- Mounting Hole Diameter: 0.28 in
- Temperature Limits: -30 to 110°F (-34.4 to 43.3°C).
Specifications
| Part Number | 1640-0 |
| Brand | Dwyer Instruments |
| Action | Standard |
| Contact Form | SPDT |
| Pressure Connection Type | 1/8 in FNPT |
| Range | .01-0.2" w.c. |
| Factory On Setting | 0.01"wc |
| Mounting Hole Diameter | 0.28 in |
| Item | Pressure Switch |
| Factory Off Setting | 0.2"wc |
| Standards | CE |
| Series | 1640 |
| Features | Floating “null†switch supports applications requiring two set point actions such as open and close damper control; Visible set point indicator simplifies operation and trouble shooting; Large diaphragm provides low range accuracy providing precise control |
| Electrical Connection | 3 screw type, common, normally open and normally closed. |
| Process Connection | 1/8" female NPT. |
| Set Point Adjustment | Screw type. |
| Temperature Limits | -30 to 110°F (-34.4 to 43.3°C). |
| Service | Air and non-combustible, compatible gases. |
| Agency Approvals | CE. |
| Switch Type | SPDT. |
| Mounting Orientation | Diaphragm in vertical position. Consult factory for other position orientations. |
| Mounting Hole Vertical Center to Center Distance | 76 mm |
| Number of Mounting Holes | 4 |
| Mounting Hole Horizontal Center to Center Distance | 51 mm |
Description
The Dwyer Instruments Series 1640-0 is a pressure switch with a 0.01 to 0.2 in H2O range. This type of switch actuates an electrical contact based on a change in system pressure. It features a floating "null" switch that supports applications requiring two set point actions, such as open and close damper control, and is CE approved.
Shipping
Shipping and dispatch
Shipping method and available services depend on the item and delivery address. Check the product shipping information and checkout for shipping options and charges.
Dispatch times vary by product and supplier. Any supplier dispatch estimate shown is subject to availability. Transit time begins after shipment and is additional to dispatch time.
Freight shipments
Products identified as freight ship by truck. Review the available delivery service and charges at checkout; delivery arrangements depend on the selected service.
Inspection and Damage:
Upon delivery, please inspect the carton and contents for any damage. If you find any damage, document it on the driver's delivery receipt and contact us immediately at support@proreplacementparts.com no later than 24 hours from the delivery time. We cannot accept responsibility for damage that is not noted on the driver's delivery receipt at the time of delivery.
Order Cancellations:
All order cancellations must be requested within 24 hours of placing the order. After this period, our standard return policy will take effect.
Thank you for choosing Pro Replacement Parts. We are dedicated to providing you with the best service and ensuring your orders are delivered in a timely and efficient manner. If you have any questions or need further assistance, please don't hesitate to contact us.
Why Buy From Us?
Exact part numbers. Every listing starts with the manufacturer part number, so you can match it to the part in your equipment before you order. Not sure it fits? Ask us first.
Clear shipping. Check the product shipping information for the shipping method and any supplier dispatch estimate. Shipping options and charges are shown at checkout.
Real people. Call 617-286-6694 (Monday to Friday, 9 AM to 6 PM ET) or email support@proreplacementparts.com with a part number or model number.
Returns. Unopened parts can be returned within 30 days. Electrical and gas parts are final sale once opened. Details are on our Returns & Refunds page.
Warranty/Returns
Your purchase is covered by the Manufacturer’s Limited Warranty.
For return/refund information, please visit our Returns & Refunds page.
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