High- purity stainless steel back pressure regulator designed to relieve system overpressure. May be used with non-corrosive or corrosive gases.

Applications

• May be used in place of relief valves in many applications requiring high sensitivity and close tolerances on “crack-reseat” pressure relationships
• Used to control upstream pressure

Design Features

• High-purity 316L stainless steel body
• High-purity 316 stainless steel diaphragm
• Metal to metal seal
• Porous metal filter protects seat from contamination

Materials of Construction

• Body: 316L stainless steel
• Diaphragm: 316 stainless steel
• Bonnet: Stainless steel
• Seat: Kel-F81
• Seals: Metal to metal

Specifications

• Maximum Pressure Rating: 100 psig (690 kPa)
• Maximum Flow Rate: 185 SCFH (85 SLPM) @ 100 psig
• Flow Capacity (Cv): 0.08
• Porting: 1/4” NPT Female

	Mounting Options
	Mounting Bracket for Single Stage & Line Regulators Two 10-32 screws are needed to mount the back of the regulator to this bracket.
	Mounting Bracket for Regulators Mounting Nuts are also needed (see below). The regulator knob will have to be removed in order to mount on this bracket.
	Mounting Nuts These nuts can be used either with the above bracket or for mounting in a panel.

Instructions

Instructions, General Regulator