Various Molded Gland Packing

no image
VALQUA No.
7740S
Product name
Custom-Made Slipper Seal
Shape
Σ
Σ
Features1
Seal for rotating/reciprocating motion
Features2
Stick-slip is hard to occur.
Features3
Low resistance, compact, low pressure
Inventory status
Products that are made based on the orders received

Standard size
O-ring: JIS B 2401P Series
Type
Squeeze

Application classification
For rods
Pressure classification
Water, air (low pressure)
Standard material
Usage location Material name Material No.
BR NBR B0160
Sliding ring 9B1

Non-standard quality of material (adaptable material)

A selection is made based on the operating condition.

Sealing direction
Flat surface Cylinder Cylindrical piston Cylindrical rod
- - ○ ○
Size
Shaft diameter φ20 to 150
Based on technical document

■ Product content and main applications

Product content
VALFLON seal ring combined with various synthetic rubber back rings. Coefficient of friction is extremely low because of fluororesin used as a slider.
Main applications
It is used as a compact seal with excellent sealing performance for pistons under a wide range of pressures and temperatures.

■ Service temperature range

Rubber material Service temperature range
NBR -30℃ ～ 80℃
Click here for the list of rubber materials

Non-standard material is subject to the service temperature range of the material selection criteria.

■ Operating pressure, pressure direction and pressure types

Pressure Pressure (with back-up ring) Pressure direction
1.0 MPa or less Not used Bi-directional
-

Pressure types
shock, surge, pulse, vacuum		 They can all be accommodated.

■ Motions and strokes applied

For fixing -
Reciprocating ○
Rotating ○
Helical ○
Opening and shutting ×
Sliding ×
Oscillating -
Stroking
Stroking is not specified; however, a short stroke is acceptable.

■ Fluid, speed and PV value

Liquid ○
Gas △
Fine particle ×
General dust -
Oil film -
Speed
0.01～1m/s
PV Value
2.5

■ Lubrication, mountability, sliding resistance, compression resistance, eccentricity/inclination, conformance

Lubrication
Needed ※1
Mountability
Fair
Sliding resistance
and compression resistance
Low
Eccentricity/inclination
and conformance
Average

※1 Usable even in poor lubrication

■ Cross-section dimensions and design precautions

・Cross-section dimensions

Φ2.4


・Design precautions

There is a design criteria.

■ Case examples of defects and countermeasures

■ FAQ

‣FAQ about high performance elastomer is here
 ‣FAQ about the elastomer is here

戻る