OEM/ODM EPDM/NBR/Silicone Mechanical Oil Gasket Rubber Seal

August 03, 2023

Model NO.: TC/SC
Standard: Standard, Nonstandard
Products Name: Oil Seal
Type Available: B, Fb, BV, W, Fw, Z, Fz, Dextral Sr, Levo Dl, Ny
Ministry of Chemical Industry Standard: Hg4-692-67
Size: Any Size
Color: Black, Brown or Assigned Color
MOQ: 100PCS
Working Medium: Hydraulic Oil, Water and Dust
Certification: SGS, Zrx, RoHS, The GB/T19001-2000
Service: OEM and ODM Are Also Welcomed
Sample: Samples Are Available(Payable)
Trademark: SXAN
Transport Package: Inner: Plastic Bag or Brown Paper; Outer: Carton
Specification: For example: 8*20*7
Origin: Jiangsu, Jiangyin
HS Code: 84879000
Model NO.: TC/SC
Standard: Standard, Nonstandard
Products Name: Oil Seal
Type Available: B, Fb, BV, W, Fw, Z, Fz, Dextral Sr, Levo Dl, Ny
Ministry of Chemical Industry Standard: Hg4-692-67
Size: Any Size
Color: Black, Brown or Assigned Color
MOQ: 100PCS
Working Medium: Hydraulic Oil, Water and Dust
Certification: SGS, Zrx, RoHS, The GB/T19001-2000
Service: OEM and ODM Are Also Welcomed
Sample: Samples Are Available(Payable)
Trademark: SXAN
Transport Package: Inner: Plastic Bag or Brown Paper; Outer: Carton
Specification: For example: 8*20*7
Origin: Jiangsu, Jiangyin
HS Code: 84879000
Description
An oil seal normally consists of three basic components: The Sealing Element (the nitrile rubber part), the Metal Case, and the Spring. It is a widely used sealing component. The function of a seal is to prevent the leakage of medium along the moving parts. This is mainly achieved by the sealing element. The TC profile is a shaft seal composed of a single metal cage with a rubber coating, a primary sealing lip with integrated spring and an additional anti-pollution sealing lip.

OEM/ODM EPDM/NBR/Silicone Mechanical Oil Gasket Rubber SealOEM/ODM EPDM/NBR/Silicone Mechanical Oil Gasket Rubber Seal

Characteristic
--Very good static sealing:Modern primary sealing lip with low radial forces
--High hardness(-50ºC-120ºC) 
--Wear-resistant:Greater roughness is allowed in the housing
--Anti-dirty ability:Protection against undesirable air contaminants
--Corrosion-resistant
--Lifetime is more than 450o hours:Very good thermal expansion compensation,Sealing for low and high viscosity fluids
--HRC is 65 to 72

Operating Conditions
-- Life time: 5000-8000hours

-- Specification: 6-13000mm

--Reciprocation Speed: 0-20m/S

--Pressure: 1.0-1.7AR/cm² (max)

--Temperature range: -50ºC-120ºC 

-- Hardness: 30-100 Shao A

Common types of oil seals

Type Code number Main features Usage Dielectric pressure resistance Maximum line speed
Simple single lipped B It is commonly used for high and low speed rotating shafts and reciprocating movement to seal mineral, oil and water. Ordinary oil seal, in the case of less dust and impurities, the use of medium pressure, the reciprocating speed of <0.1m/s. <0.05MPa 15m/s
Regular lip FB In addition to the characteristics of the above S type oil seals, dust can be prevented. Ordinary oil seal, with dustproof lips, dustproof, resistant to medium pressure <0.05MPa 15m/s
No spring type BV Spring free single lip type inner frame type rubber oil seal. Generally applicable to low-speed conditions, the sealing medium for the lubrication of ester. <0.05MPa 6m/s
Outer skeleton, single lip W With the spring single lip exposed skeleton rubber oil seal, waist thin, follow good, good rigidity. Ordinary oil seal, used in case of less dust and impurities <0.05MPa 15m/s
Outer skeleton, double lips FW With the lips of the lips exposed, skeleton rubber oil seal, waist thin, followed by good, high stiffness, good coaxial. Ordinary oil seal, with dustproof lips, dustproof, resistant to medium pressure <0.05 <0.05MPa 15m/s
Fabricated single lipped Z From the inside and outside the outer skeleton oil seal skeleton assembly into piping and installation of high precision, fast heat dissipation, heavy load characteristics. Suitable for heavy load under high temperature and high speed condition <0.05MPa 15m/s
Fabricated double lipped FZ The assembled external skeleton oil seal with side lip has the characteristics of dust resistance, high installation accuracy, fast heat dissipation and heavy load characteristics. Apply to high temperature, high speed, heavy load under dust condition ≤0.05MPa 15m/s
Unidirectional reflux type Dextral SR, A diagonal bar with angle in lip air measurement system using fluid mechanics principle, produces pump function, with reflux effect. Because of the backflow effect, the radial force is smaller than that of the ordinary oil seal, thereby reducing wear and heat build-up and improving service life <0.05MPa 20m/s
Levo DL
Pressure type NY The lip is short, stubby waist, with pressure, work pressure is less than 3MPa. The shaft end oil seal for high pressure pump, general PV value is less than or equal to 8 ≤3MPa 15m/s

Rubber Properties

Rubber Type Relative Density Hardness (Shao A) Mooney viscosity ML1+4,100ºC Tensile Strength Mpa Elongation % Service Temperature RangeºC
NR 0.93 20~100 45~150 6.89~27.56 100~700 -75~90
IR 0.94 20~100 55~90 6.89~27.56 100~750 -75~90
SBR 0.94 40~100 30~70 6.89~24.12 100~700 -60~100
BR 1.93 30~100 35~55 6.89~20.67 100~700 -100~100
CR 1.23 20~90 45~120 6.89~27.56 100~700 -60~120
IIR 0.91~0.93 20~90 45~80 6.89~20.67 100~700 -60~150
NBR 0.96~1.02 30~100 30~130 6.89~27.56 100~600 -50~120
EPDM 0.85 30~100 40~100 6.89~20.67 100~300 -60~150
Q 0.98 20~95  (Liquid) 3.45~10.34 50~800 -120~280
FKM 1.4~1.95 60~90 35~160 6.89~16.54 100~350 -50~300
PU 0.85 62~95 25~60
Or (Liquid) 		6.89~55.12 100~700 -60~80
T 1.34~1.41 20~80 25~50 3.45~8.61 100~400 -30~80
ACM 1.1 40~100 Or (Liquid) 6.89~15.16 100~400 -30~180
CSM 1.1 50~95 45~60
30~115		 6.89~19.29 100~500 -60~150
CO 1.27 60~90 60~70(Homopolymer)
85~125(Copolymerization) 		6.89~17.23 100~400 -60~150

Temperature
The table below indicates the temperature limits, depending on the materials and fluids used.

Media Maximum temperature, depending on the materials
ACM AEM EPDM FKM HNBR NBR VMQ
Mineral oils Oils for motors +130°C +130°C - +170°C +130°C +100°C +150°C
Oils  for gearboxes +120°C +130°C - +150°C +110°C +80°C +130°C
Oils for hypoid gears +120°C +130°C - +150°C +110°C +80°C -
ATF oils +120°C +130°C - +170°C +130°C +100°C -
Hydraulic oils +120°C +130°C   +150°C +130°C +90°C -
Greases - +130°C - - +100°C +90°C -
Fire-resistant
fluids 		HFA group - Emulsion with more than 80% water - - - - +70°C +70°C +60°C
HFB group - Opposite solution (water in oil) - - - - +70°C +70°C +60°C
HFC group - Polymer aqueous solution - - +60°C - +70°C +70°C -
HFD group - Water-free synthetic fluids - - - +150°C - - -
Other fluids EL + L heating oil - - - - +100°C +90°C -
Air +150°C +150°C +150°C +200°C +130°C +90°C +200°C
Water - - +150°C +100°C +100°C +90°C -
Water for washing - - +130°C +100°C +100°C +100°C -
Temperature range Min. -25°C -40°C -45°C -20°C -30°C -30°C -60°C
Max. +150°C +150°C +150°C +200°C +150°C +100°C +200°C

The sealing lip of the shaft seal endures a higher temperature due to shaft rotation, and the significant pressure and friction on the mechanical parts. Good lubrication is therefore necessary to allow for a better release of heat and thus limits the temperature rise in the parts subjected to friction.
By definition, the temperature at the edge of the seal is raised when the rotation speed (and thus the linear speed) as well as the shaft diameter increases.

Oil seal specifications

8*16*5.8 35*45*10 60*80*10 180*220*16 12*20*5.8 15*30*7
10*18*5.8 35*47*7 60*90*12 180*220*18 35*62*10 60*85*10
10*22*8 38*58*8 65*80*10 200*230*15 64*80*8 15*26*7
10*26*5 35*50*8 65*85*8 280*320*20 221.5*250*8 15*30*7

These are our regular specifications. In addition, we have a wide selection of colors / specifications / shapes to support the customization. Welcome to negotiate. It's our honor to serve you.

Production Line And Warehouse
1,Ingredients and rubber refining
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