High-purity stainless steel line regulator for absolute pressure applications.

Applications

• Corrosive or high purity absolute pressure applications (delivery pressure from sub-atmospheric to 15 psi).

Design Features

• High-purity 316 stainless steel body
• 316 stainless steel diaphragm
• Metal to metal seals minimize diffusion of contaminants
• 2” delivery pressure gauge
• 1/4” compression inlet/outlet connection
• Panel mountable

Materials of Construction

• Body: 316 stainless steel barstock
• Bonnet: Nickel plated brass
• Diaphragm: 316 stainless steel
• Seat: PTFE
• Seals: Metal to metal
• Spring (Bias): 316 stainless steel
• Spring (Main Valve): Elgiloy

Specifications

• Inlet Pressure: Atmospheric to 400 psi (2760 kPa)
• Typical Max Flow Rate (10 psi del press): 50 SLPM-N2
• Outlet Pressure: -28 inch Hg to 15 psi (103 kPa)
• Operating Temperature: -40°F to 140°F (-40°C to 60°C)
• Porting Configuration: 1 High, 2 Low
• Porting Regulator Body: 1/4" FNPT
• Flow Direction: Right to Left
• Inlet/Outlet Fitting: 1/4" Compression
• Flow Capacity (Cv): 0.24

	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.

Flow Curves

Flow Curves, 3494 Series

Instructions

Instructions, General Regulator

Drawing

Drawing, 3494

3D Model

3494