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Shell and tube heat exchangers, hydraulic cylinders, components & hydraulic systems, gas springs : 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

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

• clamping arm: see page 98
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 BL7-05 clamp is: 141788/900

Clamping force

at

(g+h)

in mm

P Max. Section

 

A

B

Swept volume

A

B

ø

 

Rod

Rod

Useful travel

 

Total travel

Max flow rate Type Reference
a1 a2 a3 b ø c ø c1

max

d1 d2 g h i k ø l ø m ø m1 n n1 p q r r1 r2 s t u ø v ø w ø w1 x y z
kN bar cm2 cm3 mm mm l/min 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 mm
2.6 70 4.9 7.85 25 16 1 BL7-02 141 786/000 55 45 22.5 33.5 39 40 62 74.1 16.5 20 41.5 22 8.8 5.5 M5 35 17.5 18 12.5 25 22 20 G1/8’’ 48.5 12 10 4 4 14 48.5 13.5
3.77 6.04 12 19
3.89 70 7.06 12.72 30 18 1.5 BL7-04 141 787/000 60 50 25 39.5 47 48 65 80 18.5 23.5 47 20.8 8.8 5.5 M5 40 20 16.8 12.5 28 24 22 G1/8’’ 51.5 12 10 4 4 17 51.5 13.5
5.53 9.95 14 21
4.87 70 9.62 20.2 35 21 2.4 BL7-05 141788/000 66 57 28.5 42.5 53 54 73 90.4 21 29 55 22 8.8 6.6 M6 46 23 18 12.5 30.5 28 23 G1/8’’ 56 16 12 4 4 21.5 56 17
8.08 16.97 14 24
8.14 70 15.2 34.97 44 23 4.5 BL7-08 142 726/000 82 70 35 47 63 64 88.5 106.4 24.5 32 61.5 26 11.1 8.6 M8 56 28 21 14 36 36 30 G1/4’’ 67 19 15 5 5 21.5 67 21.5
13.19 30.34 16 26
13.48 70 24.63 71.42 56 29 9 BL7-13 142 727/000 96 86 43 55 78 78 105 126.2 30.5 39 75 32 11.1 8.6 M8 68 34 22 14 42 45 38 G1/4’’ 79 22 18 5 5 26.5 79 26
20.82 60.4 22 32 43

 

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