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Home » Catalogue » FMC Invalco Catalogue » Valves/Diaphragm Operated » Series 424, Steel Body - Diaphragm Operated Two-way Non-Freeze Valve
Series 424, Steel Body - Diaphragm Operated Two-way Non-Freeze Valve

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Series 424, Steel Body - Diaphragm Operated Two-way Non-Freeze Valve

DESCRIPTION

The Series 424 Valve is perfect for use as a liquid dump valve on high pressure separators. The trim and seat are total immersed in the fluid to prevent freeze-ups.

The Series 424 Valve can be used in any other pressure vessel where freeze-ups could be a problem.


 

Specifications

Body Material Low Carbon Steel
End Connections Vessel 2” MNPT
Inlet Tube 1” FNPT
Outlet 1” FNPT
Body Cover Steel Union
Diaphragm Operator Steel, 65 sq. in.
Nylon Reinforced Buna N Diaphragm,
Maximum Recommended Operating Pressure 70 psi
Maximum Containment Pressure 100 psi
Packing Non-Lubricated Buna N
Maximum Working Pressure 3000 psi
Temperature Limits -20°F to 250°F
Stem Material 303 Stainless Steel
Plug and Seat See Schedule in PDF

FEATURES

Non-Freeze Construction - Prevents freeze-up at the plug and seat.
Hammer Union Construction - Reduced downtime for repair.
Replaceable Trim - Reduces cost.

ADDITIONAL INFORMATION

General Notes:
1. Standard topworks is direct action (normally closed).
2. Cv 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.


 

Files area
Series 424, Steel Body Manual Series 424, Steel Body Manual
Explanation of Model # System Explanation of Model # System
Images related to this product(parts)

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Typical Hook-up
Typical Hook-up

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Dimensions - Inches (mm)
Dimensions - Inches (mm)

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Parts
Parts
Ordering Information

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Order

Check Part # Description Comments Qty
80005708 NFDSA-130-424 - 1/4" - 416 S.S. *
80005703 NFDSA-130-424 - 1/4" - Carbide
80005704 NFDSA-130-424 - 1/2" - 316 S.S.
80005702 NFDSA-130-424 - 1/2" - Carbide

Comments:

Parts schemas

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Buy parts see Parts image

Order

Check Part # Description Comments Qty
65008551 Nut 1/2-13 Hex Jam
48004020 Upper Diaphragm Case
45008406 Spring
45002612 1/4" Bleeder Filter
45002343 Travel Stop
65001401 Nut 3/8-24 Flexloc
65000525 Screw 1/2-13 x 3" SQHSS
45001858 Upper Spring Rest
45004223 Sight Glass
65003440 Screw 3/8-16 x 7/8" HHCS
45003129 Bushing
45004315 Spring
45003502 Travel Indicator
45001789 Lower Diaphragm Plate
65001966 Nut 3/8-16 Hex