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