Simmons MFG 504SB Check Valve 1-1/4 in

Product Description

The Simmons MFG 504SB check valve is designed for use in various applications, including water, oil, and gas. This model features a size of one and one-fourth inches and a maximum pressure rating of four hundred pounds per square inch. Constructed with a durable silicon bronze cast body and equipped with a stainless steel spring, it ensures reliable performance. A Buna-N O-ring enhances the sealing capability, making it reliable for both residential and commercial uses.

• Constructed with a silicon bronze cast body for strength
• Rated for a maximum pressure of 400 psi
• Meets NSF/ANSI 372 standards for safety

Product Highlights

This check valve is ideal for preventing backflow in water and gas lines, ensuring safe operation in plumbing systems.

Product Information

Standard Information

• Material: Bronze, Stainless Steel
• Brand: Simmons

Technical Specifications

• Inlet Connection Type: National Pipe Tapered
• Outlet Connection Type: National Pipe Tapered
• Maximum Operating Pressure: 400 pounds per square inch
• Part Number: 504SB
• Size: 1-1/4 inches
• Check Mechanism: Poppet
• Pipe Size: 1-1/4 in
• Media: Water, Oil, Gas
• Body Material: Silicon Bronze
• Connection Type: FNPT x FNPT
• Media Temp. Range: 190 °F
• Overall Length: 3.75 in
• Standards: NSF/ANSI 372 NSF Certifications for Food and Drinking Water, NSF 61
• Cracking Pressure: 0.5 psi
• Mounting Orientation: Horizontal, Vertical
• Seat Material: Bronze
• Seal Material: Buna-N
• Poppet Material: 304 Stainless Steel
• Spring Material: 302 Stainless Steel
• Height - Cap to Inlet Center: 1-1/2 in
• Hex Size: 2-1/4 in
• Valve Series: 500 SB
• Manufacturer Warranty: 1 year
• Connection Size - Side 1: 1-1/4 in
• Connection Gender - Side 1: Female
• Connection Type - Side 1: NPT
• Connection Size - Side 2: 1-1/4 in
• Connection Type - Side 2: NPT
• Connection Gender - Side 2: Female
• Operating Temperature - Maximum: 190 °F
• End Connection: Female Threaded x Female Threaded
• End to End Distance: 3-3/4 inches
• Inclusions/Features: Silicon Bronze Cast Poppet, Buna N O Ring, Stainless Steel Washer and Stainless Steel Locknut
• Nominal Size: 1-1/4 Inch
• Pressure Rating: 400 PSI
• Type: Spring Loaded
• End Style: FNPT
• Softgoods Material: Buna-N
• Trim Material: Stainless Steel