Product Details
| Manufacturer |
William E Williams Valve
|
|---|---|
| Part Number | 8668-8-4 |
| Product Name | Check Valve |
| Unit Price | $4,454.24 |
Specifications
Dimensions
| Valve Size | .000 inches |
|---|---|
| Nominal Outside Diameter | 3.500 inches |
| Face To Face Distance | 9.500 inches |
| Nominal Thickness | .938 inches |
| Bolt Hole Nominal Diameter | .875 inches |
| Bolt Circle Nominal Diameter | 1.750 inches |
General
| Disk Loading Method | WEIGHT |
|---|---|
| Renewable Seat Ring Type | THREADED |
| Bolt Hole Quantity | 8 |
| Maximum Operating Temp | 66.0 fahrenheit |
| Valve Operation Method | AUTOMATIC |
| Flange Shape | ROUND WITH HOLES |
| Connection Type | FLANGE |
| Mounting Position | HORIZONTAL |
| Flange Face Design | PLAIN |
| Special Features | HINGE PIN MATERIAL NICKEL-COPPER ALLOY; BOLTED BONNET |
| Material Document And Classification | ASTM B61 OR B62 assn std (single material response); QQ-N-233,COMP B fed spec (single material response) |
| Media For Which Designed | STEAM; WATER-OIL-GAS |
| Style Designator | A2A |
| Supplementary Features | SWING TYPE |
| Nondefinitive Spec/Std Data | IN size; GPA |
Material
| Material | COPPER ALLOY 836; NICKEL ALLOY |
|---|
Performance
| Flow Control Device | DISK |
|---|
Pressure
| Operating Pressure | 150.0 pounds per square inch (psi) (maximum); 225.0 pounds per square inch (psi) (maximum) |
|---|
National Stock Number
| NSN | 4820-00-148-0087 |
|---|---|
| Federal Supply Class | 4820 — Valves, Nonpowered |
| Nomenclature | VALVE,CHECK |
| Unit of Issue | EA |
