Matheson Ammonia Service Dual-Stage High-Purity with Tied Diaphragm Regulator – SS (REG4670SA)

A dual-stage high-purity tied-diaphragm regulator designed for Ammonia service.

Note: Photo does not show actual pressure regulator

Applications

• Supply of Ammonia at pressures less than 30 psi where precise pressure control over the life of the cylinder is desired.

Design Features

• High-purity 316 stainless steel barstock body
• High-purity 316 stainless steel diaphragm
• Metal to metal seals minimize diffusion of contaminants
• 2” inlet and delivery pressure gauges
• Bonnet ported and threaded to pipe gases away from the work area
• Tied seat design helps to ensure regulator closure
• Equipped with outlet diaphragm valve
• 660 CGA inlet connection
• 1/8” compression tube outlet connection
• Porous metal filter protects seat from contamination
• Panel mountable from rear with two threaded holes

Materials of Construction

• Gauges: 316 stainless steel
• Body: 316 stainless steel
• Bonnet: Nickel plated brass
• Diaphragm: 316 stainless steel
• Seat: Kel-F 81
• Seals: Metal to metal

Specifications

• Maximum Inlet Pressure: 400 psig
• Interstage Pressure: 60 psig
• Flow Capacity (Cv): 0.09
• Operating Temperature: -40°F to 160°F (-40°C to 71°C)
• Outlet Fitting: 1/8″ compression
• Porting (Regulator Body): 1/4” NPT Female
• Porting Configuration: 2 High, 2 Low