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Product Specifications:
| Item | Check Valve |
| 3-a Compliance | Not Rated |
| Application | General Purpose |
| Application - Valves | General Purpose |
| Body Material | Silicon Bronze |
| Cap To Inlet Center | 1 1/2" |
| Check Mechanism | Poppet |
| Connection Gender - Side 1 | Female |
| Connection Gender - Side 2 | Female |
| Connection Size - Side 1 | 1" |
| Connection Size - Side 2 | 1" |
| Connection Type | FNPT x FNPT |
| Connection Type - Side 1 | NPT |
| Connection Type - Side 2 | NPT |
| Cracking Pressure | 0.5 psi |
| Flow Design | Single |
| For Media | Water |
| Height - Cap To Inlet Center | 1 1/2" |
| Hex Size | 1 7/8" |
| Length | 1 7/8" |
| Manufacturer Warranty | 1 yr. |
| Max. Pressure (cwp) | 400 psi |
| Max. Steam Pressure | Not Rated |
| Max. Steam Pressure - Valves | Not Rated |
| Max. Water Pressure | 400 psi |
| Mechanism And Body Design | Inline Spring |
| Media Temp. Range | 190°F |
| Mounting Orientation | Horizontal, Vertical |
| Mounting Orientation - Check Valves | Horizontal, Vertical |
| Nsf Certifications For Food And Drinking Water | NSF 61 |
| Operating Temperature - Maximum | 190°F |
| Overall Height | 3 5/8" |
| Overall Length | 3.63" |
| Pipe Or Tube Size | 1" |
| Pipe Or Tube Size - Check Valves | 1" |
| Pipe Size, Tube Size | 1" |
| Poppet Material | Stainless Steel |
| Poppet Material Grade | Grade 304 |
| Seal Material | Buna N |
| Seat Material | Bronze |
| Seat Material - Check Valves | Bronze |
| Silent Check | Standard |
| Spring Material | Stainless Steel |
| Spring Material - Check Valves | Stainless Steel |
| Standards | Nsf/Ansi 372 |
| Vacuum Service Rating | Not Rated |
| Valve Body Style | Inline |
| Valve Series | 500 SB Series |
| Width | 1 7/8" |
Shipping Info:
| Ship weight (kg) | 0.52 |
| Ship height (cm) | 9.21 |
| Ship length (cm) | 4.76 |
| Ship width (cm) | 4.76 |
| Country of Origin | US |
Product Variants
| Product | Model | Cracking Pressure | Overall Height | Hex Size | Pipe Size, Tube Size | Body Material | Connection Type | Seat Material | Max. Water Pressure | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
505SB | 1 psi | 4 1/8" | 2 5/8" | 1 1/2" | Silicon Bronze | FNPT x FNPT | Bronze | 400 psi | €184.33 | |
![]() |
504SB | 0.5 psi | 3 3/4" | 2 1/4" | 1 1/4" | Silicon Bronze | FNPT x FNPT | Bronze | 400 psi | €145.39 | |
![]() |
506SB | 2 psi | 5.203" | 3 1/4" | 2" | Silicon Bronze | FNPT x FNPT | Bronze | 400 psi | €308.19 | |
![]() |
502SB | 0.5 psi | 3 3/8" | 1 5/8" | 3/4" | Silicon Bronze | FNPT x FNPT | Bronze | 400 psi | €88.34 |
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SIMMONS 503SB Check Valve, Single Flow, Inline Spring, Bronze, 1 Inch Pipe/Tube Size, FNPT x FNPT
€97.19 /unit




