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1-1/4" FNPT Bronze Swing Y Check Valve

  • Mfr # 509Y 1 1/4"

  • Zoro # G4060813

product price: 
$
121.99
/ea
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Key Features

Pipe Size
1 1/4"
Connection Type
FNPT x FNPT
Connection
FNPT
Body Material
Cast Bronze
Min. Temp. - Valves
-20 Degrees F
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Specifications

Product Information

MFR #
509Y 1 1/4"
Zoro #
G4060813
UPC #
697988642447
Country of Origin
United States

Dimensions

Pipe Size
1 1/4"
Width
1 1/2 in
Pipe or Tube Size - Check Valves
1 1/4 in
Overall Height
3 3/4 in
Size
1 1/4"
Length
4 3/8 in
Overall Length
3.56 in
Pipe or Tube Size
1 1/4 in
Connection Size - Side 1
1 1/4 in
Connection Size - Side 2
1 1/4 in
Nominal Valve Size
1 1/4 in
Height - Cap to Inlet Center
3 in
Wire Rope Length
3.56 in

Details

Connection Type
FNPT x FNPT
Connection
FNPT
Body Material
Cast Bronze
Min. Temp. - Valves
-20 Degrees F
Mounting Orientation - Check Valves
Horizontal, Vertical
Material of Construction
Bronze
Seat Material - Check Valves
Bronze
Full Flow - Valves
Yes
Flow Design
Single
Seat Material
Bronze
Cracking Pressure
0.5 psi
Max. Water Pressure - Valves
200 psi @ 150 Degrees F
Max. Pressure
125 psi SWP - 200 psi WOG
Max. Temp.
425 Degrees F
Mechanism and Body Design
Y Swing
Seal Material - Check Valves
Bronze
Cap to Inlet Center
3 in
Max. Steam Pressure - Valves
125 psi WSP
Application - Valves
General Purpose
Max. Water Pressure
200 psi
Cracking Pressure - Check Valves
0.5 psi
Standards
ASTM B16, ASTM B505, ASTM B584, MSS SP-80
Flow - Valves
54.0 gpm
Max. Steam Pressure
125 psi
Body Material - Valves
Bronze
Item
Swing Y Check Valve
Connection Type - Check Valves
FNPT x FNPT
Item - Check Valves
Check Valve
Mounting Position
Vertical or Horizontal
Max. Temp. - Valves
425 Degrees F
Sub-Category
Bronze
Seal Material
Bronze
Flow
54 gpm
Mounting Orientation
Horizontal
Type
Y Pattern
Maximum Pressure - Steam
125 psi
Check Mechanism
Swing
Operating Temperature - Minimum
-20 Degrees F
For Media
Gas, Oil, Steam, Water
Connection Type - Side 2
NPT
Silent Check
Standard
Valve Body Style
Y-Style
Operating Temperature - Maximum
425 Degrees F
Check Mechanism Material
Brass
Vacuum Service Rating
Not Rated
3-A Standard Compliance
Not Rated
Connection Gender - Side 1
Female
Maximum Pressure - Operating
200 psi
Connection Gender - Side 2
Female
Includes Counterweight
No Counterweight
Connection Type - Side 1
NPT
Coefficient of Volume (Cv)
39
Valve Series
509Y

Description

The MILWAUKEE VALVE 509Y 1-1/4 in. FNPT bronze swing Y check valve is intended for one-way flow and backflow control applications in gas, oil, steam, and water lines. It features a Y-style body with a swing check mechanism, full-flow style, and female NPT connections on both ends. This valve is rated for horizontal or vertical mounting and has a 0.5 psi cracking pressure.

Key Features:

  • Valve type: Swing Y check valve with Y-pattern body and swing mechanism
  • Body material: Bronze with cast bronze body construction
  • Connection size: 1-1/4 in. on both ends
  • Connection type: FNPT x FNPT with female NPT connections
  • Media compatibility: Gas, oil, steam, and water
  • Flow rating: 54 gpm with Cv of 39
  • Pressure ratings: 200 psi WOG, 200 psi maximum operating pressure, and 125 psi WSP maximum steam pressure
  • Temperature range: -20 degrees F to 425 degrees F
  • Seat and seal material: Bronze
  • Check mechanism material: Brass
  • Mounting orientation: Horizontal or vertical
  • Overall dimensions: 4-3/8 in. L x 3-3/4 in. H x 1-1/2 in. W
  • Standards: ASTM B16, ASTM B505, ASTM B584, MSS SP-80

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