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DESCRIPTION

The INVALCO Series 455 Valve can be used in any low to moderate pressure application that requires discharge of large amounts of fluid quickly. This could be large treaters, separators, free water knockouts etc.

Specification

Body Material	Ductile Iron A-395
Ductile Iron A-395	Ductile Iron A-395
End Connections	2”, 3”, 4” and 6” 150# Flanges
Diaphragm Operator	Steel, See Chart for Topworks Size Nylon Reinforced Buna N Maximum Recommended Operating Pressure 70 psi Maximum Containment Pressure 100 psi
Packing	Non-Lubricated Buna N
Maximum Working Pressure	275 psi @ -20°F to +150°F 150 psi @ +250°F
Temperature Limits	-20°F to 250°F
Stem Material	303 Stainless Steel
303 Stainless Steel	304 Stainless Steel Seat/Cage
Plug*	Replaceable Buna-N

FEATURES

Ductile Iron Body- Meets most application needs.
Soft Plug - Assures tight shutoff.
Double Port Construction - Assures maximum discharge rates.
Nace Adaptable - Can be modified for use in sour service.

ADDITIONAL INFORMATION

*See Valve Trim section for optional trim.

General Notes:

1. 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 attached parts list.

Note: Dimensions -- Inches to the nearest tenth (millimeters to the nearest whole mm), each independently dimensioned from respective engineering drawings.

*Recommended spare parts.
@ Included in Trim Set 83000113.

*Recommended spare parts.
@ Included in Trim Set 83000113.