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DESCRIPTION

The Series 415 is ideal for low pressure separators or any application that needs to dump large volumes or fluid quickly. The Series 416 is ideal for high pressure separators or any application that requires moving large volumes of fluid quickly.
Note: All parts are interchangeable with the obsolete Series 414 Cast Iron Valve.

Specifications

Body Cover	Steel
End Connections	2” FNPT and 2” Grooved
Diaphragm Cases	Steel
Diaphragm	65 sq. in. Reinforced Buna N Maximum Recommended Operating Pressure 70 psi Maximum Containment Pressure 100 psi
Packing	1/2 x 1 inch Non-Lubricated Buna N
Stem, Seat, Plug	303 S.S., Viton Facing
Body Material	See Ordering Information Chart in PDF
Maximum Working Pressure	See Chart in PDF
Temperature Limits	-20°F to 250°F
Valve Travel	1-1/8 inches
Spring Rate	750 lbs per inch
Spring Pre-load	(3-15 psi Bench Range) Norm. 210 lbs.< br />Maximum 750 lbs.
Flow Direction	Under the seat for precise modulation. Over the seat for shut-in service, on-off service, non-critical modulation.
Flow Characteristic	Modified equal percentage, See Graph.

FEATURES

Quick-Opening Trim - Better flow characteristics.
Ductile or Steel Bodies - Meets low or high pressure demands.
Threaded or Grooved Bodies - Meets more application demands.
Throttling or Quick Opening Trim - Covers all operating conditions.
Nace Adaptable - Can be modified for use in sour service.

ADDITIONAL 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. Part numbers applicable only when valve desired is exactly as described above.
4. To order specify Model Number, Part Number, Trim Description.
5. See reverse side for parts list.