Industrial Part 503SB of Simmons - Request a Quote
For industrial products like 503SB 1"" NPT Bronze Spring Check Valve from manufacturers such as Simmons, you won’t find a better source than Industrials Unlimited, an all-inclusive marketplace for industrial products and much more. As a leader among independent distributors, we have access to an inventory of more than 2 billion new and obsolete parts such as 503SB and many others. We are also an AS9120B, ISO 9001:2015, and FAA AC 00-56B accredited business, ensuring the quality of each part we sell.
Whether you need 503SB from product category Pipes Valves And Fittings or any other parts in our vast and diverse inventory, Industrials Unlimited can provide it with short lead times and competitive prices. Any parts not in stock can be efficiently sourced and shipped via our extensive international supply chain network that spans North America and Europe. We are also the only independent distributor with a no China sourcing policy, meaning every part we sell is fully traceable or comes directly from a trusted manufacturer like Simmons. To begin the purchasing process immediately, submit an RFQ today. Our team of dedicated account managers is standing by and will respond to you in 15 minutes or less.
| Application - Valves | General Purpose |
| Body Material | Silicon Bronze |
| Body Material - Valves | Bronze |
| Cap to Inlet Center | 1 1/2 in |
| Connection Type | FNPT x FNPT |
| Connection Type - Check Valves | FNPT x FNPT |
| Country of Origin (subject to change) | United States |
| Cracking Pressure | 0.5 psi |
| Cracking Pressure - Check Valves | 0.5 psi |
| Flow Design | Single |
| Hex Size | 1 7/8 in |
| Item | Spring Check Valve |
| Item - Check Valves | Check Valve |
| Length | 1 7/8 in |
| Material of Construction | Bronze |
| Max. Pressure | 400 psi |
| Max. Steam Pressure | 400 psi |
| Max. Steam Pressure - Valves | Not Rated |
| Max. Temp. | 190 Degrees F |
| Max. Temp. - Valves | 190 Degrees F |
| Max. Water Pressure | 400 psi |
| Max. Water Pressure - Valves | 400 psi |
| Mechanism and Body Design | Inline Spring |
| Mounting Orientation - Check Valves | Horizontal, Vertical |
| Mounting Position | Any |
| Overall Height | 3 5/8 in |
| Pipe or Tube Size - Check Valves | 1 in |
| Pipe Size | 1 |
| Seal Material | Buna N |
| Seal Material - Check Valves | Buna-N |
| Seat Material | Bronze |
| Seat Material - Check Valves | Bronze |
| Size | 1 |
| Spring Material | Stainless Steel |
| Spring Material - Check Valves | Stainless Steel |
| Standards | Certified Lead Free, NSF 61, NSF/ANSI 372 |
| Width | 1 7/8 in |
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