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O-ring Loaded Seal, Delta Shape Type

Our triangular o-ring loaded seal is available in one of six models, all of which are made up of a seal (with delta-shaped cross section) bonded to an o-ring. This sealing device is often used as a dynamic seal to fit around reciprocating piston rod in a pneumatic or hydraulic cylinder.

O-ring Loaded Seal JK2-I

Operating Conditions
Operating pressure: 0~200MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs

Rod diameter
d(f8)

Groove diameter
D(H9)

Groove width
L+0.2

O-ring Diameter
d2

Radial clearance
S≤

Chamfer
Z≥
51~95 d+13.8 13.3 8.0 0.3 4
96~140 d+18.0 17.4 10.0 0.3 5
141~200 d+22.2 21.3 13.0 0.4 7
201~450 d+30.0 27.0 16.0 0.5 7
O-ring Loaded Seal JK2-IA

Operating Conditions
Operating pressure: 0~150MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs

Rod diameter
d(f8)
Groove diameter
D(H9)
Groove width
L+0.2
O-ring diameter
d2

Radial clearance
S≤

Chamfer
Z≥
8~17 d+4.9 4.6 2.65 0.2 2
18~39 d+6.5 6.0 3.55 0.2 3
40~108 d+9.5 9.0 5.30 0.3 5
109~670 d+12.5 12.0 7.00 0.4 7
O-ring Loaded Seal JK2-IB

Operating Conditions
Operating pressure: 0~150MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs


Rod diameter
d(f8)

Groove diameter
D(H9)

Groove width
L+0.2

O-ring diameter
d2

Radial clearance
S≤

Chamfer
Z≥
22~39 d+6.2 6.0 3.5 0.2 3
40~150 d+10.2 9.5 5.7 0.3 5
151~500 d+15.0 14.2 8.6 0.4 7
O-ring Loaded Seal JK2-IIA

Operating Conditions
Operating pressure: 0~150MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs

Cylinder diameter
D(H9)
Groove diameter
d(f8)
Groove width
L+0.2
O-ring diameter
d2
Radial clearance
S≤

Chamfer
Z≥
25~49 D-7.2 6.2 3.55 0.3 3
50~121 D-10.4 9.0 5.30 0.4 5
122~685 D-13.6 12.0 7.00 0.5 7
O-ring Loaded Seal Installation Drawing JK2-II

Operating Conditions
Operating pressure: 0~200MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs

Cylinder diameter
D(H9)
Groove diameter
d(f8)

Groove width
L+0.2
O-ring diameter
d2
Radial clearance
S≤

Chamfer
Z≥
65~110 D-15.4 13.8 8.0 0.3 4
115~180 D-20.5 17.8 10.0 0.3 5
185~250 D-25.0 21.7 13.0 0.4 7
260~500 D-30.8 26.8 16.0 0.5 7
O-ring Loaded Seal Installation Drawing JK2-ⅡB

Operating Conditions
Operating pressure: 0~150MPa
Operating temperature: -55~+250°C (depending on the type of o-ring material)
Reciprocating speed: ≤6m/s
Operating media: air, water, ethylene glycol based water solution, mineral oil, acid, alkali, slurry, etc.

O-ring Loaded Seal Installation Drawing

Related Specs

Cylinder diameter
D(H9)

Groove diameter
d(f8)

Groove width
L+0.2
O-ring diameter
d2

Radial clearance
S≤

Chamfer
Z≥
28~49 D-7.0 6.2 3.5 0.3 3
50~160 D-11.0 10.0 5.7 0.4 5
170~500 D-16.6 14.6 8.6 0.5 7
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