Cross OEM of AIRSUSTECH 2B12X2 replaces Norgren M/31122:

Manufacturer brand :AIRSUSTECH 

AIRSUSTECH part no.:2B12X2

Norgren part no.:2M/31122

Norgren bellows no.:212" x2

AIRSUSTECH 2B12X2 Specifications and Detail Technical Parameters:Style12" x2

Nut / Blind Nut

Top Cover Plate Screw (Nut) Tooth :  4pcs X M10

Bottom Cover Plate Screw (Nut) Tooth : 4pcs X M10

Gas Hole / Air inlet / Air Fitting

Gas Hole / Air inlet : G1/2

Cover Plate

Top Cover Plate Diameter (Width): 210 mm

Bottom Cover Plate Diameter (Width): 210 mm

Material top and bottom plate:Steel

Rubber Bellows

Stroke of Rubber Bellows:75mm-300m

Bumper block / Buffer block

Without Bumper Block

Girdle Hoop / Girdle Ring

With Girdle Hoop :One Pieces of Girdle Hoop

Rubber material Standard up to 70°C natural rubber

Range: M / 31000

Medium: compressed air
Port size: G1 / 2
Operation mode: single action
Working pressure: 0bar-8 bar
Operating temperature: -40°C-70°C
Stroke length: 225 mm
Theoretical power: 38500 N
Material-Nuts and Screws: Zinc-Chromium Alloy Steel
Certification-REACH: available on request
Certification-RoHS compliant: available on request
Certification-WEEE: NonWEEE
Classification-eClass 11: 51010390
Classification-HS Code: 84123100
Classification-HTS code: 8412310000
Classification-
Classification-ISO
Size-Diameter: 330.0 mm
Size-height: 125.0 mm
Size-weight: 6.200 kg
Size-Unit of Measurement: EA
Performance-shelf life: 5years

Other kinds of model air bellows:

W01-R58-4081 (2 3/4" x3)
W01-R58-4051 Dunlop Style 4,5 " x 2
W01-R58-4052 - (6" x1 steel)
Firestone W01-R58-4057 - (10 x1 steel)
Firestone W01-R58-4027 - 8x2 (Epichlorhydrin / Herclor)
Firestone W01-R58-4090 - 8"x2 Butyl
Firestone W01-R58-4055 - 8x2 Steel
Firestone W01-R58-4060 (12 x1 steel)

Firestone W01-R58-4077 (12 x1 Herclor )
Firestone W01-R58-4056 -8"x3 Steel
Firestone W01-R58-4062 (12 x3 Steel)
Firestone W01-R58-4065 (14 1/2 x3 Steel)
Firestone W01-R58-4098 (14 1/2 x1 Herclor)
Firestone W01-R58-4097 (14" 1/2 x2 Herclor)
Firestone W01-R58-4025 - (10" x1 Epichlorhydrin/Herclor)
Firestone W01-R58-4078 - (6 x1 Alu )
Firestone W01-R58-4070 - (6 x 2 Alu )
Firestone W01-R58-4053 - (6 x 2 Steel )
Firestone W01-R58-4059 - (10" x3 steel)
Firestone W01-R58-4054 - 8x1 Steel
Firestone W01-R58-4028 - 8"x1 Epichlorhydrin
Spar Part Bellow 8"x2 W01-R58-4045
Firestone W01-R58-4064 -14" 1/2 x2
Firestone W01-R58-4063 -14 1/2 x1
Bellow only 8" x 1 -- W01-R58-4085
Firestone W01-R58-4048
W01-R58-4080 - 2 3/4" x 2
Firestone W01-R58-4060- 12" x2 steel
Firestone W01-R58-4070 - (6 x 2 V2a )
Firestone W01-R58-4051E 4,5 x 2 Stainless Steel
Firestone W01-R58-4050
W01-R58-4080 - 2 3/4" x 1