SR 450 Series Cylinder Regulator

Cylinder Gas	Part Number	Model	Diameter	Case Material
Air, Oxygen, Inert Gas	0781-0543	SR 450E-580	63.5 mm ( 2.5 in. )	Brass
Air, Oxygen, Inert Gas	0781-0527	SR 450D-540	82.6 mm ( 3.25 in. )	Stainless Steel
Air, Oxygen, Inert Gas	0781-0527	SR 450D-540	63.5 mm ( 2.5 in. )	Brass
Air, Oxygen, Inert Gas	0781-0528	SR 450D-580	63.5 mm ( 2.5 in. )	Brass
Air, Oxygen, Inert Gas	0781-0528	SR 450D-580	82.6 mm ( 3.25 in. )	Stainless Steel
Air, Oxygen, Inert Gas	0781-0543	SR 450E-580	82.6 mm ( 3.25 in. )	Stainless Steel
Acetylene	0781-0583	SR 460A-300	63.5 mm ( 2.5 in. )	Brass
Acetylene	0781-0584	SR 460A-510	82.6 mm ( 3.25 in. )	Stainless Steel
Acetylene	0781-0583	SR 460A-300	82.6 mm ( 3.25 in. )	Stainless Steel
Acetylene	0781-0584	SR 460A-510	63.5 mm ( 2.5 in. )	Brass
L.P. Gas	0781-0589	SR 461B-510	63.5 mm ( 2.5 in. )	Brass
L.P. Gas	0781-0589	SR 461B-510	82.6 mm ( 3.25 in. )	Stainless Steel
L.P. Gas	0781-0595	SR 461D-510	63.5 mm ( 2.5 in. )	Brass
L.P. Gas	0781-0595	SR 461D-510	82.6 mm ( 3.25 in. )	Stainless Steel

Cylinder Gas

Part Number

Model

Diameter

Case Material

Air, Oxygen, Inert Gas

0781-0543

SR 450E-580

63.5 mm ( 2.5 in. )

Brass

Air, Oxygen, Inert Gas

0781-0527

SR 450D-540

82.6 mm ( 3.25 in. )

Stainless Steel

Air, Oxygen, Inert Gas

0781-0527

SR 450D-540

63.5 mm ( 2.5 in. )

Brass

Air, Oxygen, Inert Gas

0781-0528

SR 450D-580

63.5 mm ( 2.5 in. )

Brass

Air, Oxygen, Inert Gas

0781-0528

SR 450D-580

82.6 mm ( 3.25 in. )

Stainless Steel

Air, Oxygen, Inert Gas

0781-0543

SR 450E-580

82.6 mm ( 3.25 in. )

Stainless Steel

Acetylene

0781-0583

SR 460A-300

63.5 mm ( 2.5 in. )

Brass

Acetylene

0781-0584

SR 460A-510

82.6 mm ( 3.25 in. )

Stainless Steel

Acetylene

0781-0583

SR 460A-300

82.6 mm ( 3.25 in. )

Stainless Steel

Acetylene

0781-0584

SR 460A-510

63.5 mm ( 2.5 in. )

Brass

L.P. Gas

0781-0589

SR 461B-510

63.5 mm ( 2.5 in. )

Brass

L.P. Gas

0781-0589

SR 461B-510

82.6 mm ( 3.25 in. )

Stainless Steel

L.P. Gas

0781-0595

SR 461D-510

63.5 mm ( 2.5 in. )

Brass

L.P. Gas

0781-0595

SR 461D-510

82.6 mm ( 3.25 in. )

Stainless Steel

Cylinder Gas	Model	Delivery Range	Maximum Delivery Pressure	Maximum Inlet Pressure	CGA Inlet	CGA Outlet
Air, Oxygen, Inert Gas	SR 450D-580		5-125 psig	3000 psig	-	9/16-18"
-	SR461B-510	2-40 psig		350 psig	510	9/16" – 18 M LH
-	SR461D-510	5-125 psig		350 psig	510	9/16" – 18 M LH
Air, Oxygen, Inert Gas	SR 450D-540		5-125 psig	3000 psig	-	9/16-18"
-	SR450D-580	5-125 psig		3000 psig	580	5/8" – 18 F RH
-	SR460A-300	2-15 psig		3000 psig	300	9/16" – 18 M LH
Air, Oxygen, Inert Gas	SR 450E-580		10-200 psig	3000 psig	-	9/16-18"
-	SR-450D-540	5-125 psig		3000 psig	540	9/16" – 18 M RH
-	SR460A-510	2-15 psig		3000 psig	510	9/16" – 18 M LH
-	SR450D-346	5-125 psig		3000 psig	346	5/8" – 18 F LH
-	SR450E-580	10-200 psig		3000 psig	580	5/8" – 18 F RH
Acetylene	SR 460A-300		2-15 psig	3000 psig	-	9/16-18"
Acetylene	SR 460A-510		2-15 psig	3000 psig	-	9/16-18"
L.P. Gas	SR 461D-510		5-125 psig	3000 psig	-	9/16-18"
L.P. Gas	SR 461B-510		2-40 psig	3000 psig	-	9/16-18"

Cylinder Gas

Model

Delivery Range

Maximum Delivery Pressure

Maximum Inlet Pressure

CGA Inlet

CGA Outlet

Air, Oxygen, Inert Gas

SR 450D-580

5-125 psig

3000 psig

9/16-18"

SR461B-510

2-40 psig

350 psig

510

9/16" – 18 M LH

SR461D-510

5-125 psig

350 psig

510

9/16" – 18 M LH

Air, Oxygen, Inert Gas

SR 450D-540

5-125 psig

3000 psig

9/16-18"

SR450D-580

5-125 psig

3000 psig

580

5/8" – 18 F RH

SR460A-300

2-15 psig

3000 psig

300

9/16" – 18 M LH

Air, Oxygen, Inert Gas

SR 450E-580

10-200 psig

3000 psig

9/16-18"

SR-450D-540

5-125 psig

3000 psig

540

9/16" – 18 M RH

SR460A-510

2-15 psig

3000 psig

510

9/16" – 18 M LH

SR450D-346

5-125 psig

3000 psig

346

5/8" – 18 F LH

SR450E-580

10-200 psig

3000 psig

580

5/8" – 18 F RH

Acetylene

SR 460A-300

2-15 psig

3000 psig

9/16-18"

Acetylene

SR 460A-510

2-15 psig

3000 psig

9/16-18"

L.P. Gas

SR 461D-510

5-125 psig

3000 psig

9/16-18"

L.P. Gas

SR 461B-510

2-40 psig

3000 psig

9/16-18"

Ordering

Description

Product number

Product number: 0781-0527

Product number: 0781-0528

Product number: 0781-0532

Product number: 0781-0543

Product number: 0781-0583

Product number: 0781-0584

Product number: 0781-0589

Product number: 0781-0595

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SR 450 Series Cylinder Regulator

Specifications

Specifications

Specifications

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