Mastar® RS Series

Uniweld’s Single Stage, Mastar® RS Regulator Series feature:

• Forged Brass Body
• Machined Brass Bonnet
• Easy-to-read single scale 1½” gauges
• Mechanical stem type seat
• Rear inlet cylinder connection
• Porous metal inlet filter
• T-Handle for smooth adjustment
• Blow off disc type pressure relief for low pressure gauge protection only
• Protective rubber gauge boots

**Different Pressure Scales & Inlet Connections Available Upon Request**

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Product Information

Part # CGA Inlet Outlet Connection Delivery PSIG Replacement 1-1/2″ Gauges
RSO Oxygen 540 “A” (RH) 3/8″-24 (M) 2-60 G49; 100 PSI

G56; 4000 PSI
RSOB Oxygen 540 “B” (RH) 9/16-18 (M) 2-60 G49; 100 PSI

G56; 4000 PSI
12106 Oxygen 540 “A” (RH) 3/8″-24 (M) 2-60 G85-1; 100 PSI/KG

G82-1 4000 PSI/KG
12107 Acetylene 520 “A” (LH) 3/8″-24 (M) 2-15 G79-1; 30 PSI/KG (RL)

G73-1; 400 PSI/KG
RSMC2 Acetylene 200 “A” (LH) 3/8″-24 (M) 2-15 G15; 30 PSI (RL)

G19;0-400 PSI Max
RSMC2B Acetylene 200 “B” (LH) 9/16″-18 (M) 2-15 G15; 30 PSI (RL)

G19; 0-400 PSI Max
RSB2 Acetylene 520 “A” (LH) 3/8″-24 (M) 2-15 G15; 30 PSI (RL)

G19; 0-400 PSI Max
RSB2B Acetylene 520 “B” (LH) 9/16″-18 (M) 2-15 G15; 30 PSI (RL)

G19; 0-400 PSI Max

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