3040 Series Relief & Back Pressure Regulating Valve for Viton Diaphragm
Price range: $794.17 through $3,131.60
The 3040 Series Relief & Back Pressure Regulating Valve is designed to maintain desired maximum pressure in vessels or systems by relieving excess pressure into a lower-pressure return line or to atmosphere.
3040 Series — Relief & Back Pressure Regulating Valve for Water, Air, Oil & Other Liquids
The 3040 Series Relief & Back Pressure Regulating Valve is designed to maintain desired maximum pressure in a system by relieving excess pressure. It is suitable for water, air, oil, and other liquid applications where Viton diaphragm compatibility is required.
Note: Not to be used as an emergency or safety relief valve. NOT TO BE USED ON STEAM.
Product Overview
- Maintains upstream pressure by relieving excess to a return line or tank
- Viton diaphragm for chemical resistance
- Suitable for Water, Air, Oil, and Other Liquids
- Reliable pressure control under varying flow conditions
Material Specifications
| Body | Bronze |
| Diaphragm | Viton |
| Disc | Stainless Steel / Bronze (size dependent) |
Technical Specifications
| Available Sizes | 1/2" – 3" |
| Connection | Threaded, NPT |
| Maximum Inlet Pressure | 300 PSIG |
Available Models
| Size | Model Codes (Pressure Ranges) |
| 1/2" NPT | 3040-12-N-4 (1–6), 3040-12-N-3 (5–35), 3040-12-N-2 (25–100), 3040-12-N-1 (75–300) |
| 3/4" NPT | 3040-13-N-4 (1–6), 3040-13-N-3 (5–35), 3040-13-N-2 (25–100), 3040-13-N-1 (75–300) |
| 1" NPT | 3040-14-N-4 (1–6), 3040-14-N-3 (5–35), 3040-14-N-2 (25–100), 3040-14-N-1 (75–300) |
| 1-1/4" NPT | 3040-15-N-4 (1–6), 3040-15-N-3 (5–35), 3040-15-N-2 (25–100), 3040-15-N-1 (75–300) |
| 1-1/2" NPT | 3040-16-N-4 (1–6), 3040-16-N-3 (5–35), 3040-16-N-2 (25–100), 3040-16-N-1 (75–300) |
| 2" NPT | 3040-17-N-4 (1–6), 3040-17-N-3 (5–35), 3040-17-N-2 (25–100), 3040-17-N-1 (75–300) |
| 3" NPT | 3040-19-N-2 (25–100), 3040-19-N-1 (75–300) |
Note: We will contact you during order fulfilment to discuss shipping and handling costs for products weighing more than 150 pounds. These costs will be billed separately.
| Weight | N/A |
|---|---|
| Brand | Watson McDaniel |
| Configuration | 1-1/2 by, 1-1/4in By, 1/2in By, 1in By, 2inby, 3/4in By |
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