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Season Greeting Season Greetings from all of us at Natco Group. We hope you have a wonderful New Year! |
DESCRIPTION
The Series 436 Valve can be used in a variety of applications that require a steel bodied valve. This could include high or low pressure separators,treaters, dehydrators, or any other pressure vessel.
Specifications
| Body Material | Steel |
| Body Cover | Steel |
| End Connections | Flanged |
| Diaphragm Cases | Steel |
| Diaphragm | 65 sq. in. Reinforced Buna N, Max. Recommended Pressure 70 psi |
| Packing | 1/2" x 1" Non-Lubricated Packing |
| Stem Seat Plug | 303 Stainless Steel, Viton Facing |
| Maximum Working Pressure | See Chart in PDF |
| Temperature Limits | -40°F to 250°F |
| Valve Travel | 1-1/8 Inches |
| Spring Rate | 750 lbs. per inch |
| Spring Pre-load | (3-15 psi Bench Range) Normal 210 lbs. Maximum 750 lbs. |
| Flow Direction | Under the seat for precise modulation. Over the seat for shut-in service, on-off service, non-critical modulation. |
| Trim | Modified equal percentage |
FEATURES
Meets ANSI Flanged Dimensions - Perfect for Offshore ApplicationsADDITIONAL INFORMATION
General Notes
1. Standard topworks is direct action (normally closed) with 65 sq. in. effective area.
2. Cv and Cg values are for fully open inner valve.
3. Stock numbers applicable only when valve desired is exactly as described above.
4. To order specify Model Number, Stock Number, Trim Description.
5. See parts list attached.
| Dimensions - Inches (mm) |
| Parts |