Shop MUELLER STEAM SPECIALTY

4" Cast Iron Wafer Double Disc Check Valve

  • Mfr # 4 71AHB3H

  • Zoro # G0661202

product price: 
$
613.99
/ea
Free Shipping & Returns

Key Features

Connection Type
Fits Within ANSI Flanges
Connection
Fits Within ANSI Flanges
Body Material
Cast Iron
Width
2 1/2 in
Seal Material - Check Valves
Buna-N
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Specifications

Product Information

MFR #
4 71AHB3H
Zoro #
G0661202
UPC #
098268354645
Country of Origin
United States

Dimensions

Pipe Size
4"
Width
2 1/2 in
Size
4"
Pipe or Tube Size - Check Valves
4 in
Length
6 7/8 in
Overall Height
6 7/8 in
Overall Length
6.88 in
Pipe or Tube Size
4 in
Connection Size - Side 1
4 in
Nominal Valve Size
4 in
Wire Rope Length
6.88 in

Details

Connection Type
Fits Within ANSI Flanges
Connection
Fits Within ANSI Flanges
Body Material
Cast Iron
Seal Material - Check Valves
Buna-N
Seat Material
Buna-N
Max. Temp. - Valves
100 Degrees F
Sub-Category
Iron
Body Material - Valves
Cast Iron
Max. Water Pressure
200 psi @ 150 Degrees F
Max. Pressure
200psi @ -20 Degrees F to 150 Degrees F, 150psi @ 353 Degrees F
Mounting Orientation - Check Valves
Horizontal, Vertical
Max. Steam Pressure - Valves
Not Rated
Flow Design
Single
Seat Material - Check Valves
Buna-N
Spring Material - Check Valves
316 Stainless Steel
Item
Double Disc Check Valve
Max. Temp.
100 Degrees F
Seal Material
Buna N
Material of Construction
cast iron
Max. Water Pressure - Valves
200 psi @ 150 Degrees F
Application - Valves
Process Piping
Standards
ANSI, API, FM, UL
Connection Type - Check Valves
Flanged Wafer x Flanged Wafer
Mounting Position
Vertical Up or Horizontal
Mechanism and Body Design
Inline Wafer
Item - Check Valves
Check Valve
Spring Material
316 Stainless Steel
Mounting Orientation
Horizontal, Vertical
Seal
Buna N
Type
Double Disc
ANSI Flange Class
Class 125
For Media
Process Piping
Check Mechanism Material
Cast Iron
Includes Counterweight
No Counterweight
Maximum Pressure - Operating
200 psi
Maximum Pressure - Steam
Not Rated
Connection Type - Side 2
Flange
Operating Temperature - Minimum
-20 Degrees F
Connection Type - Side 1
Flange
Valve Body Style
Inline
3-A Standard Compliance
Not Rated
Silent Check
Standard
Check Mechanism
Double Disc
Operating Temperature - Maximum
100 Degrees F

Description

This Mueller Steam Specialty 4 in cast iron wafer double disc check valve is a non-return valve for process piping. It is intended for single-direction flow and is configured to close when flow reverses. The valve features an inline wafer body design compatible with ANSI flanges, a double disc check mechanism, Buna-N seal and seat materials, and a 316 stainless steel spring. Mounting orientation: horizontal or vertical, including vertical up flow.

Key Features:

  • 4 in nominal valve and pipe size
  • Cast iron body and cast iron check mechanism
  • Flanged wafer x flanged wafer connection; compatible with ANSI flanges
  • ANSI Flange Class: Class 125
  • Double disc check mechanism with single flow design
  • Maximum operating pressure: 200 psi
  • Maximum water pressure: 200 psi at 150 degrees F
  • Maximum pressure rating: 200 psi at -20 degrees F to 150 degrees F; 150 psi at 353 degrees F
  • Operating temperature range: -20 degrees F to 100 degrees F
  • Seal and seat material: Buna-N
  • Spring material: 316 stainless steel
  • Mounting orientation: horizontal, vertical, including vertical up flow
  • Overall dimensions: 6 7/8 in L x 2 1/2 in W x 6 7/8 in H
  • Standards: ANSI, API, FM, UL

Restrictions

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