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Hydraulic cylinders and components, hydraulic systems, gas springs & shell and tube heat exchangers : Quiri

Link clamp cylinders 70 bar BL7

Double-acting - linear clamp cylinder
Maximum force at 70 bar: 2.6 to 13.5 kN

Supply through counter-bores under the flange ring or through gas fittings

• fastening and supply flange at the top of the clamp
• supplied with supply O-rings
• rod and connecting rods supplied with pins and circlips but with no clamping arm
• versatility of cylinders, 3 lever direction are possible with only one cylinder reference

• steel body with anti-corrosion treatment
• steel rod treated to prevent seizing and corrosion

• clamping arm: see clamping arms for BL7
metal scraper

Clamping force (Fb) depending on the arm length (h) and pressure (P)
Fb = ( S x P x l x 0.9 )/h
S = piston surface in cm²
l = clamp/connecting rod centre distance in mm
P = service pressure in Bar
h = centre distance between connecting rod and clamping point in mm

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Link clamp cylinders 70 bar BL7 : Link clamp cylinders - Quiri - 2

Part number without flange: ******/000
Part number with standard flange: ******/100
Optional metal scraper: ******/*5*
Part numbers of packs of spare seals for BL7 clamp: 14x xxx/900
Example: the part number for a BL7-55 clamp is: 141C54//900

Clamping

force

at

(g+h)

in mm

P Maxi Section

 

A

B

Swept volume

A

B

ø

 

Piston

Rod

Working stroke

 

Total stroke

Max flow rate Type Reference
a1 a2 a3 øa4 b øc1 øc2 d1 d2 g h i k øl øm øm1 n n1 p q r r1 r2 s t u1 u2 øv øw øw1 x y z
screw
HC
kN bar cm2 cm3 mm mm l/mn mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm mm
2.6 70 4.9 8.6 25 17.5 1 BL7-40 141C52/100 54 45 22.5 72 30 40 40 58.5 100.7 16 53.5 69.5 24.5 9.1 5.5 M5 34 17 15 11 26 18 18 G1/8″ 50 30.5 220 9 M4 4 14 44.5 M4
3.8 6.6 12 20.5
3.9 70 7.1 14.5 30 20.5 2 BL7-48 141C53/100 61 51 25.5 81 32 48 48 65.5 114.5 18.5 61 79.5 28 9.1 5.5 M5 40 20 16 12 30 22 22 G1/8″ 57 34.5 26 9 M4 4 14 52 M4
5.5 11.3 14 23.5
4.9 70 9.6 22.1 35 23 2.4 BL7-55 141C54/100 69 60 30 88 37 54 55 73.5 120.3 21 63 84 28 9.1 6.8 M6 47 23.5 13.5 12 33.5 24 24 G1/8″ 59.5 35.5 30 11 M4 4 20 53.5 M4
8.1 18.6 14 26
8.1 70 12.6 33.4 40 26.6 5 BL7-65 141C55/100 81 70 35 106 43.5 65 65 84 137.3 24.5 72.5 97 30 11.1 6.8 M6 55 27.5 16 13 39.5 30 30 G1/4″ 67 39 35.5 11 M5 5 25 59 M5
10.6 28.1 16 28
13.48 70 24.6 78.7 56 32 9 BL7-75 142B35/100 94.5 85 42.5 118 47 75 75 104 151.1 30 70 100 36 11.1 9 M8 63 31.5 17.5 16 45 32 32 G1/4″ 82 48 43.5 14 M6 6 32 72 M6
20.8 66.5 22 34

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