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591 Series High Pressure Regulators

Product Description

Model 591 Series High Pressure Piston Regulators feature a reliable piston design for precise gas control at high inlet and delivery pressures rating up to 3000 PSIG. Like all GENTEC quality products, the 591 series provides superior performance and safety features.

• Piston type construction
• Body and housing cap are machined from class "A" brass bar stock
• Delrin cap bushing for smooth adjustments
• Sintered bronze inlet filter
• 2-1/2" gauges
• Weight: 4 lbs
• Conforms to CGA E-4 standard for gas pressure regulators



MODEL #	GAS SERVICE	MAXIMUM INLET PRESSURE (PSI)	MAXIMUM DELIVERY PRESSURE (PSI)	INLET GAUGE	OUTLET GAUGE	INLET CONNECTION	OUTLET CONNECTION
591X-750	Oxygen	3000	50-750	2-1/2", 4000PSI	2-1/2", 1000PSI	CGA540	1/4"-Swaged Lock
591X-1500	Oxygen	3000	100-1500	2-1/2", 4000PSI	2-1/2", 3000PSI	CGA540	1/4"-Swaged Lock
591X-3000	Oxygen	3000	200-3000	2-1/2", 4000PSI	2-1/2", 4000PSI	CGA540	1/4"-Swaged Lock
591IN-750	Inert Gas (Ar,He,N2)	3000	50-750	2-1/2", 4000PSI	2-1/2", 1000PSI	CGA580	1/4"-Swaged Lock
591IN-1500	Inert Gas (Ar,He,N2)	3000	100-1500	2-1/2", 4000PSI	2-1/2", 2000PSI	CGA580	1/4"-Swaged Lock
591IN-3000	Inert Gas (Ar,He,N2)	3000	200-3000	2-1/2", 4000PSI	2-1/2", 4000PSI	CGA580	1/4"-Swaged Lock
591IN-1500-680	Inert Gas (Ar,He,N2)	5500	100-1500	2-1/2", 6000PSI	2-1/2", 3000PSI	CGA680	1/4"-Swaged Lock
591IN-3000-680	Inert Gas (Ar,He,N2)	5500	200-3000	2-1/2", 6000PSI	2-1/2", 4000PSI	CGA680	1/4"-Swaged Lock
591IN-4500-680	Inert Gas (Ar,He,N2)	5500	300-4500	2-1/2", 6000PSI	2-1/2", 6000PSI	CGA680	1/4"-Swaged Lock
591Q-1500	Air	3000	100-1500	2-1/2", 4000PSI	2-1/2", 2000PSI	CGA346	1/4"-Swaged Lock
591Q-3000	Air	3000	200-3000	2-1/2", 4000PSI	2-1/2", 4000PSI	CGA346	1/4"-Swaged Lock
591Q-1500-680	Air	5500	100-1500	2-1/2", 6000PSI	2-1/2", 3000PSI	CGA680	1/4"-Swaged Lock
591Q-3000-680	Air	5500	200-3000	2-1/2", 6000PSI	2-1/2", 4000PSI	CGA680	1/4"-Swaged Lock
591Q-4500-680	Air	5500	300-4500	2-1/2", 6000PSI	2-1/2", 6000PSI	CGA680	1/4"-Swaged Lock
591H-750	Hydrogen Methane	3000	50-750	2-1/2", 4000PSI	2-1/2", 1000PSI	CGA350	1/4"-Swaged Lock
591H-1500	Hydrogen Methane	3000	100-1500	2-1/2", 4000PSI	2-1/2", 3000PSI	CGA350	1/4"-Swaged Lock
591H-3000	Hydrogen Methane	3000	200-3000	2-1/2", 4000PSI	2-1/2", 4000PSI	CGA350	1/4"-Swaged Lock

1 psi = 0.00689 MPa = 6.895 kPa = 0.06895 bar = 0.07 kgf / cm2,
1 SCFH = 0.0283 m3/h = 0.472 LPM

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