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Home » Catalogue » FMC Invalco Catalogue » Valves/Diaphragm Operated » Series 438, Steel Body - Flanged 3” Globe

Series 438, Steel Body - Flanged 3” Globe

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Series 438, Steel Body - Flanged 3” Globe

DESCRIPTION

The Series 438 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. The Series 438 Valve is perfect for offshore vessels.

Specifications

Body Material Cast Steel A-216-WCB
Body Cover Steel A-105 GR2, Union
End Connections Flanged
Diaphragm Operator Steel, 80 sq. in.,
Nylon Reinforced Buna N Diaphragm,
100 psi Maximum Working Pressure
Packing Non-Lubricated Packing
Maximum Working Pressure 1440 psi
Temperature Limits -40°F to 250°F
Stem 303 S.S
Stem and Plug See Ordering Information

FEATURES

Meets ANSI Flanged Dimensions - Perfect for Offshore Applications
Proven Closed Yoke Design - Reduces the chance of debris entering the valve.
NACE Adaptable - Can be modified for use in sour service.
Hammer Union Construction - Reduces downtime for repair.

ADDITIONAL INFORMATION

General Notes:
1. Standard topworks is direct action (normally closed) with 80 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.


* Unless otherwise indicated all O-Rings are included with trim sets.
AR - As Required

Files area
Series 438, Steel Body Manual Series 438, Steel Body Manual
Explanation of Model # System Explanation of Model # System
Images related to this product(parts)

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

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PARTS
PARTS
Ordering Information

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Check Part # Description Comments Qty
80003747 DFG-302-438 - 3” - Stainless Steel “O” Ring
80009014 DFG-302-438 - 3” - Hardened 440C S.S
80009013 DFG-302-438 - 2” - Hardened 440C S.S
80009012 DFG-302-438 - 1-1/2” - Hardened 440C S.S
80003748 DFG-302R-438 - 3” - Stainless Steel “O” Ring
80009014 DFG-302R-438 - 3” - Hardened 440C S.S.
80009013 DFG-302R-438 - 2” - Hardened 440C S.S.
80009012 DFG-302R-438 - 1-1/2” - Hardened 440C S.S.
80003749 DFG-314-438 - 3” - Stainless Steel “O” Ring
80009020 DFG-314-438 - 3” - Hardened 440C S.S.
80009019 DFG-314-438 - 2” - Hardened 440C S.S.
80009018 DFG-314-438 - 1-1/2” - Hardened 440C S.S.
80003750 DFG-314R-438 - 3” - Stainless Steel “O” Ring
80009020 DFG-314R-438 - 3” - Hardened 440C S.S.
80009022 DFG-314R-438 - 2” - Hardened 440C S.S.
80009021 DFG-314R-438 - 1-1/2” - Hardened 440C S.S.

Comments:

Parts schemas

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Check Part # Description Comments Qty
65015572 Screw 5/8-11x5 1/2 SQHSS ZP
65002136 Nut, 5/8-11 Hvy Hex ZP
45012811 Caution Tag Valve 5/8 Hole
45003991 Upper Spring Rest
45003940 Spring 60-100#
45003941 Spring 40-60#
48006312 Upper Diaphragm Case #80
45004223 Travel Indicator Sightglass
65001966 Nut 3/8-16 Hex ZP
45003129 Bushing Travel Indicator
65005342 Nut 5/8-18 Flexloc ZP
45012340 Lower Spring Rest
45004315 Spring, Travel Indicator
45004335 Travel Indicator, 2 3/4 LG
45012341 Upper Diaphragm Plate
45004847 Diaphragm #80
45012342 Lower Diaphragm Plate
48001905 Lower Diaphragm Case #80
67101403 O-Ring 1 ID x 1/8 BUN-214-90
67101299 O-Ring 1 7/8 ID x 1/8 BUN-225-90
45012339 Upper Stem
48001152 Yoke Assembly
45002715 4” Hammer Nut
45011630 Packing Nut
45011634 3” Stuffing Box
45011703 Packing Spacer
45002610 Packing 3/4 x 1 1/4 (Regular)
45002611 Packing 3/4 x 1 1/4 (Flat)
45011648 Body, 3” 150#, Globe, 438 Series
45011649 Body, 3” 600#, Globe, 438 Series
45011579 Cage
65003440 Screw, 3/8-16 HHCS ZP
67101304 O-Ring, 5/8 ID x 3/32 BUN-114-90
45002612 1/4” NPT Bleeder Filter
45300000 Name Plate Blank (Not Shown)
65007005 Screw 2-PK-1/8 U Drive(Not Shown)

Parts schemas

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