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1" NPT Bronze Spring Check Valve

  • Mfr # 503SB

  • Zoro # G6245403

product price: 
$
47.19
/ea

Key Features

Pipe Size
1"
Hex Size
1 7/8 in
Connection Type
FNPT x FNPT
Body Material
Silicon Bronze
Cracking Pressure
0.5 psi
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Specifications

Details

MFR #
503SB
Zoro #
G6245403
UPC #
008391019199
Country of Origin
United States
Connection Type
FNPT x FNPT
Body Material
Silicon Bronze
Cracking Pressure
0.5 psi
Seal Material
Buna N
Spring Material
302 Stainless Steel
Item
Check Valve
Body Material - Valves
Bronze
Cap to Inlet Center
1 1/2 in
Max. Water Pressure - Valves
400 psi
Max. Pressure
400 psi
Seat Material
Bronze
Flow Design
Single
Application - Valves
General Purpose
Seat Material - Check Valves
Bronze
Max. Temp. - Valves
190 Degrees F
Max. Water Pressure
400 psi
Standards
ANSI 372
Material of Construction
Bronze
Spring Material - Check Valves
Stainless Steel
Seal Material - Check Valves
Buna-N
Cracking Pressure - Check Valves
0.5 psi
Max. Steam Pressure - Valves
Not Rated
Mounting Orientation - Check Valves
Horizontal, Vertical
Max. Steam Pressure
400 psi
Connection Type - Check Valves
FNPT x FNPT
Mounting Position
Any
Item - Check Valves
Check Valve
Mechanism and Body Design
Inline Spring
Max. Temp.
190 Degrees F
Compliance
NSF 372, NSF 61 Certified, California Prop 65
Mounting Orientation
Horizontal, Vertical
Maximum Pressure - Steam
Not Rated
Connection Type - Side 2
NPT
Manufacturer Warranty
1 yr
Silent Check
Standard
For Media
Water
Connection Gender - Side 2
Female
3-A Standard Compliance
Not Rated
Maximum Pressure - Operating
400 psi
Connection Gender - Side 1
Female
Operating Temperature - Maximum
190 Degrees F
NSF Certifications for Food and Drinking Water
NSF 61
Vacuum Service Rating
Not Rated
Valve Body Style
Inline
Check Mechanism Material
304 Stainless Steel
Check Mechanism
Poppet
Connection Type - Side 1
NPT
Valve Series
500 SB

Description

The SIMMONS 503SB is a 1 in. inline spring check valve with FNPT x FNPT connections for general-purpose water service. It uses a spring-loaded poppet check mechanism for one-way flow applications. The valve features a bronze body with silicon bronze construction details, a bronze seat, and a Buna-N seal, and is specified for horizontal or vertical mounting positions.

Key Features:

  • 1 in. nominal valve size with 1 in. female NPT connections on both ends
  • Inline spring design with poppet check mechanism
  • Body material: bronze with silicon bronze construction details
  • Check mechanism material: 304 stainless steel
  • Spring material: 302 stainless steel
  • Seal material: Buna-N
  • Seat material: bronze
  • Cracking pressure: 0.5 psi
  • Maximum operating pressure: 400 psi
  • Maximum steam pressure: 400 psi
  • Maximum operating temperature: 190 degrees F
  • Mounting orientation: horizontal or vertical
  • Overall length: 3.63 in.
  • Overall height: 3 5/8 in.
  • Hex size: 1 7/8 in.
  • Certifications/Standards: NSF 372, NSF 61 Certified, ANSI 372; California Prop 65 warning applies

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