Numatics B Square Series Compact, Flat-Square Cylinder

The B Square Series is an extremely effecient and lightweight compact, square end cap cylinder line. It is designed for maximizing space without sacrificing quality. Our square end cap design provides flexibility for either flush-face or horizontal (side) mounting. The B Square Series also significally reduces the centerline distance when cylinders are mounted side-by-side.

Standard Specifications:

• Variety of mounts
• Bore sizes from 3/4" to 4"
• Piston rod diameters from 5/16" to 1"
• Nominal pressure rating is 150 psi air
• Standard temperature -10°F to 165° F(-23° C to 74° C)

Features:

• The file hard (60 RC) high strength aluminum alloy tube provides a smooth corrosion free sealing surface and excellent abrasion resistance
• Head and cap are machined from (6061-T6) solid aluminum bar and anodized for corrosion resistance. A recess at the piston mating surface allows the air to work on a larger effective piston area for faster breakaway
• The longer cast iron rod bushing provides maximum load bearing support. The graphite-filled material offers the best bearing surface with hard chrome plated piston rod.
• The carboxilated nitrile with PTFE compound is used in the rod seal. The rounded lip design insures proper sealing and long life for no lube added service.
• Rod wiper construction is a highly durable polyurethane.
• High strength steel (100,000 psi minimum yield) piston rod has a ground, polished and hard chrome plated surface providing maximum life of bushing and seals.
• The bushing retainer allows cartridge removal without disassembly.
• Tie rods are 100,000 psi minimum yield steel for maximum holding power. Tie rod threads are rolled for strength and engagement.
• The extra wide wear band is located at the furthest point from the rod bushing to support maximum loading.
• The solid aluminum alloy piston is strong and lightweight.
• The floating cushion design gives the fastest stroke reversal possible by providing instantaneous full flow to piston. Each cushion has a flush, retained adjustment needle.
• The tube seals are compression type and reusable.
• Improved port design allows increased flow rate.

SD
Part # Bore LD MT Q S SH SD TH TL
TL
SQ.
LD
MT
3/4"
B513-B01 0.56 0.75 0.19 0.39 #6 1.00 0.16 0.78
SQ.
TH
1-1/8"
SH BOLT HOLE
1-1/2"
B513-K01 2" 0.94 1.38 0.38 0.75 #10 1.75 0.22 1.34
2-1/2"
3"
B513-N01 1.25 2.00 0.63 1.00 0.25 2.50 0.25 1.81

Part # Bore E LN MS NT Q S
B511-C01 3/4" 10-32 0.38 0.47 0.25 0.19 0.38
B511-G01 1-1/8" 5/16-24 0.63 0.47 0.25 0.19 0.38
B511-K01 1-1/2" 3/8-24 0.63 0.72 0.44 0.38 0.75
2"
B511-L01 1/2-20 0.75 0.72 0.44 0.38 0.75
2-1/2"
B511-N01 3" 5/8-18 0.88 1.00 0.63 0.63 1.00
B511-R01 4" 3/4-16 0.88 1.00 0.63 0.63 1.00

B Square Series Global Switch Information
Cylinders Bore Part Number
B Square 2 1/2!±-3!± Bo N199-1017
B Square  4!± Bor N199-1018
Stock Switch Assembly Numbers
Part Number Type Connection Package Contains
940-G00-031 Electronic Sourcing (PNP) 9 ft cable
940-G00-331 Electronic Sourcing (PNP) 8mm Quick Connect Pigtail
Switch & mounting adapter
3/4"-2" bore B-Square (part# SB6-C01)
940-G00-032 Electronic Sinking (NPN) 9 ft cable
940-G00-332 Electronic Sinking (NPN) 8mm Quick Connect Pigtail
940-H00-031 Electronic Sourcing (PNP) 9 ft cable
940-H00-331 Electronic Sourcing (PNP) 8mm Quick Connect Pigtail
Switch & mounting adapter
2-1/4"-4" bore B-Square (part# SB6-M01)
940-H00-032 Electronic Sinking (NPN) 9 ft cable
940-H00-332 Electronic Sinking (NPN) 8mm Quick Connect Pigtail
Stock Switch Only Part Numbers
Part Number Type Connection Package Contains
940-100-031 Electronic Sourcing (PNP) 9 ft cable
940-100-331 Electronic Sourcing (PNP) 8mm Quick Connect Pigtail
Switch only (includes dovetail adapter
not used in B Square Series)
940-100-032 Electronic Sinking (NPN) 9 ft cable
940-100-332 Electronic Sinking (NPN) 8mm Quick Connect Pigtail
B Square Series 9000 Series Switch Information
Cylinders Bore Part Number
B Square 3/4!±-2!± Bo SB6-C01
B Square 2 1/2!±-4!± Bo SB6-M01

Type Code Description Function Voltage Drop
Voltage Current Power Speed
Reed Switch for PLC's, LED  SPST  5-120V AC/DC  0.03 Amps max.  4 Watts max. 0.4 ms operate 3.5 Volts @ 5 mA
940-100-002
(current limiting) Normally Open 50/60 Hz 0.001 Amps min. 0.1 ms release
Electronic for Reed Magnet,  PNP  5-28 VDC 0.2 Amps max. 4.8 Watts max. 4 |ìs operat 1.0 Volts  max
940-100-031
LED & Sourcing Normally Open 4 |ìs releas
Electronic for Reed Magnet,  NPN 5-28 VDC 0.2 Amps max. 4.8 Watts max. 4 |ìs operat 1.0 Volts  max
940-100-032
LED & Sinking Normally Open 4 |ìs releas 

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