The BONOMI 100012LF-3 is a 3 in. inline spring check valve with FNPT x FNPT connections and a lead-free brass body. It is intended for one-way flow control in gas, oil, and water systems and helps prevent reverse flow. The spring check mechanism, full-flow design, and 0.5 psi cracking pressure are listed product specifications; the valve may be installed horizontally or vertically.
Key Features:
- 3 in. inline spring check valve
- Lead-free brass body construction
- 3 in. female NPT connections on both ends
- For use with gas, oil, and water
- Flow rating: 144 gpm
- Cv: 141.7
- Cracking pressure: 0.5 psi
- Maximum operating pressure: 175 psi WOG
- Maximum water pressure: 400 psi
- Operating temperature range: -4°F to 210°F
- Internal materials: PPS check mechanism, 302 stainless steel spring, Buna-N/NBR seat and seal
- Installation orientation: horizontal or vertical
- Standards and listings: NSF 61, ANSI B1.20.1, NSF 372, UL Listed
- Dimensions: 4.86 in. overall length; 5 1/4 in. overall height and width
| Pipe Size | 3" |
|---|---|
| Hex Size | 3-7/8 in |
| Connection Type | FNPT |
| Body Material | Brass |
| Width | 5-1/4 in |
| Item - Check Valves | Check Valve |
| Max. Steam Pressure - Valves | Not Rated |
| Sub-Category | Check Valve |
| Size | 3" |
| Max. Temp. - Valves | 210 deg F |
| Cracking Pressure | 0.5 psi |
| Flow Design | Single |
| Mechanism and Body Design | Inline Spring |
| Spring Material - Check Valves | Stainless Steel |
| Full Flow - Valves | Yes |
| Body Material - Valves | Brass |
| Standards | ANSI B1.20.1, NSF 372, UL Listed |
| Mounting Orientation - Check Valves | Horizontal, Vertical |
| Item | Valve |
| Cracking Pressure - Check Valves | 0.5 psi |
| Max. Water Pressure - Valves | 400 psi |
| Material of Construction | Brass |
| Max. Pressure | 175 psi WOG |
| Flow - Valves | 144 gpm |
| Min. Temp. - Valves | 10 deg F |
| Connection Type - Check Valves | FNPT x FNPT |
| Application - Valves | General Purpose |
| Length | 4-7/8 in |
| Seat Material - Check Valves | NBR |
| Pipe or Tube Size - Check Valves | 3 in |
| Overall Height | 5-1/4 in |
| Spring Material | 302 Stainless Steel |
| Seat Material | Buna-N |
| Overall Length | 4.86 in |
| Seal Material | Buna-N |
| Flow | 144 gpm |
| Mounting Orientation | Horizontal, Vertical |
| Pipe or Tube Size | 3 in |
| Connection Size - Side 1 | 3 in |
| Check Mechanism Material | PPS |
| Connection Type - Side 2 | NPT |
| Connection Size - Side 2 | 3 in |
| 3-A Standard Compliance | Not Rated |
| Connection Type - Side 1 | NPT |
| Includes Counterweight | No Counterweight |
| Operating Temperature - Maximum | 210 deg F |
| Connection Gender - Side 2 | Female |
| Average Surface Roughness (Ra) | Not Applicable |
| NSF Certifications for Food and Drinking Water | NSF 61 |
| Operating Temperature - Minimum | -4 deg F |
| Maximum Pressure - Operating | 175 psi |
| Check Mechanism | Swing |
| ANSI Flange Class | Not Applicable |
| Connection Gender - Side 1 | Female |
| Height - Cap to Inlet Center | 1 in |
| Coefficient of Volume (Cv) | 141.7 |
| Valve Body Style | Inline |
| Vacuum Service Rating | Not Rated |
| Nominal Valve Size | 3 in |
| Maximum Pressure - Steam | Not Rated |
| For Media | Gas, Oil, Water |
| Silent Check | Standard |
| Valve Series | 100012 LF |
| Wire Rope Length | 4.86 in |
| Country of Origin (subject to change) | Italy |
| Package Quantity | 1 |