SPECIAL CONSTRUCTION
Trim Designation No. “M3”
Plug ............................... Monel with Fluorocarbon
Elastomer Seat
Cylinder ......................... Monel
Cylinder Gasket ............ PTFE
Diaphragm .................... Gylon 3522 (PTFE)
Pusher Plate ................. Monel
Body Cap ...................... Monel
Spring ........................... Inconel X-750
Opt-57
Special Cleaning for Cl2 Service per Cashco
Spec. No. S-1589.
Epoxy painted.
The following is a description of a proven con struc tion for chlorine gas or liquid service. Units are available
in sizes 1/2"–1" (DN15–25).
STANDARD CONSTRUCTION
Body .............................. Carbon Steel *
Spring Chamber ............ Carbon Steel *
Flange Bolting ............... 304 Stainless Steel
...................................... ASTM F593 Group 1
Spring Button ................ Cast Iron
Range Spring ................ Epoxy-coated Steel
Pressure Plate .............. Cast Iron
Adjusting Screw ............ Stainless Steel
Jam Nut ........................ Stainless Steel
* ASTM A216 Gr. WCB
PRESSURE - TEMPERATURE RATING
Inlet: 300 psig (20.7 barg) -20 to +300oF (-29 to +149oC)
Outlet: 100 psig (6.9 barg) -20 to +300oF (-29 to +149oC
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