MECH 03 Piston Packing


ITEM ITEM NO. MECH CODE DIMENSION
PISTON PACKAGING MECH03 MECH03-020 450 X 490 X 65
PISTON PACKAGING MECH03 MECH03-022 22 X 12 X 8.9
PISTON PACKAGING MECH03 MECH03-025 25 X 15 X 8.9
PISTON PACKAGING MECH03 MECH03-028 28 X 18 X 8.9
PISTON PACKAGING MECH03 MECH03-030 30 X 20 X 8.9
PISTON PACKAGING MECH03 MECH03-032 32 X 20 X 10.4
PISTON PACKAGING MECH03 MECH03-035 35 X 23 X 10.4
PISTON PACKAGING MECH03 MECH03-036 36 X 24 X 10.4
PISTON PACKAGING MECH03 MECH03-040 40 X 25 X 11
PISTON PACKAGING MECH03 MECH03-042 42 X 27 X 11
PISTON PACKAGING MECH03 MECH03-045 45 X 30 X 11
PISTON PACKAGING MECH03 MECH03-050 50 X 35 X 11
PISTON PACKAGING MECH03 MECH03-055 55 X 40 X 11
PISTON PACKAGING MECH03 MECH03-056 56 X 41 X 11
PISTON PACKAGING MECH03 MECH03-060 60 X 45 X 11
PISTON PACKAGING MECH03 MECH03-060 63 X 48 X 12.5
PISTON PACKAGING MECH03 MECH03-070 70 X 50 X 14.6
PISTON PACKAGING MECH03 MECH03-080 80 X 60 X 14.6
PISTON PACKAGING MECH03 MECH03-090 90 X 70 X 20.6
PISTON PACKAGING MECH03 MECH03-100 100 X 80 X 20.6
PISTON PACKAGING MECH03 MECH03-100 110 X 90 X 20.6
PISTON PACKAGING MECH03 MECH03-115 115 X 95 X 20.6
PISTON PACKAGING MECH03 MECH03-125 125 X 100 X 25
PISTON PACKAGING MECH03 MECH03-140 140 X 115 X 25
PISTON PACKAGING MECH03 MECH03-150 150 X 120 X 28
PISTON PACKAGING MECH03 MECH03-160 160 X 130 X 28
PISTON PACKAGING MECH03 MECH03-180 180 X 150 X 30.5
PISTON PACKAGING MECH03 MECH03-200 200 X 170 X 32.5
PISTON PACKAGING MECH03 MECH03-250 250 X 220 X 32.5
PISTON PACKAGING MECH03 MECH03-300 300 X 270 X 32,5

PISTON PACKINGS

Made of cotton fabric impregnated with NBR (nitrile) , MECH03 series consist of three base components; one back up ring (hard fabric reinforced rubber material), one middle V ring (manschette) and one polyacetal (POM) header (front) ring. MECH03 is used for piston applications Made of fabric impregnated with FKM (viton), our packings for special conditions (high temperature, special liquid, chemicals) are produced in the contents of special order. Our packings prepared in this way consist all of their components viton with fabric. For the packing applications, it is required to use the design of rod in parts or piston . It is recommended that a suitable grease or lubricant must be used during assemblage. It is important for the working life of packings that the measure, B, in the packings housing should be adjustable with a proportion of 5% of given measure, B in our catolog it is obvious that over squeezing packings V-rings during fitting will result in problems such as high friction forces, over heating and vibrated working in low pessure. If there is the requirement of using closed type seal housing, packings can be used by cutting their V-rings with a slope 45° and adjusting these cutted rings in the way of setting them with an angle of 75° in between. This way of solution is the case when most required.

"For needs out of standard dimensions, please apply our costumer service."


Working Conditions Of Packings
MECH NO MECH03
Pressure (Bar) <400
Temperature ( C) -30 / max 105
Linear Velocity(m/sn) <0.5

Working temperature interval is -30 / max 205 °C for Viton Packings.


In order to be able to have good results when using packings, the measures of piston and rod should be in given tolerances. These measures are as shown in the chart below.

Tolerances
up to  80 mm < D/d mm
H9 / f8
up to 80 mm < D/d < 120 mm
H8 / f8
up to 120 mm < D/d < 200 mm
H8 / f7

Working temperature interval is -30 / max 205 °C for Viton Packings.


Having a nature of the surface to be sealed in the following intervals would influence the performance and the working life of packings.

Surface Roughness
Surface Roughness>
Ra
Rt
Sliding Surface
< 0.3   m
< 4   m
Outside Diameter of Seal Housing
< 1.8   m
< 10   m
Endfaces of Seal Housing
< 3   m
< 16   m
Materials
Header Rings ( POM ) Polyacetal
Middle V-Ring Fabric NBR
Rubber V-Ring NBR
Back Up Ring Fabric NBR

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