Series 476, Ductile Body - Diaphragm Operated

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DESCRIPTION

The INVALCO Series 476 Valve is perfect for use in diverting, blending, manifolding, and volume metering service. Its primary use is in LACT service, but it can also be used in other blending applications.

Specifications

Body Material	Ductile, A-395
Body Cover	Carbon Steel
End Connections	2” Grooved or 2” NPT
Diaphragm Operator	Steel, 26 sq. in., nylon reinforced Buna N. Diaphragm: 70 psi maximum recommended 100 psi maximum containment pressure.
Maximum Working Pressure	400 psi
Packing	Non-lubricated Buna-N, center bleed, spring loaded.
Temperature Limits	-20°F to 250°F
Stem, Cage and Seats (Removable)	303 Stainless Steel
Valve Plugs	Buna N O-Ring
Valve Orifices	1-3/4ʼ
Inner Valve Action	Two or three position
Spring Action	Direct, reverse, or air-operated both directions.

FEATURES

Replaceable Seats - Reduced cost.
Grooved or Threaded Bodies - Meets most application requirements.
Direct or Reverse Acting - More flexibility in applications.
Two or Three Position Inner Valve - Allows for positive shut-off when metering fluids.
Nace Adaptable - Can be used in sour service.

ADDITIONAL INFORMATION

General Notes:
1. Standard topworks has 20 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.

Reverse spring action denotes normally-open lower port; direct denotes normally-closed lower port.

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

*Recommended Spare Part