PTFE Stem Bushing for Marine Valves

PTFE Stem Bushing for Marine Valves

PB3 is the substitute of and parallels in performance with abroad iglidur G . With PB3, we offer a wide range of wear resistant and universal materials. Medium speed applications with medium to medium loads are recommended. Even at temperatures up to 180°C, PB3 is dimensionally stable and wear-resistant and offers very low moisture absorption. This makes PB3 suitable for a variety of different applications and is therefore an all-rounder with good running performance.
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Product Details

We've been striving to become a superb business partner of you for Flanged Cast Bronze Bushings, Stainless Steel Solid Lubricate Bearings, Food Grade Bushing Bearings. We are willing to work together with you to create a better tomorrow and work hard to realize the Chinese dream. Innovation and realism is the foundation of our continuous progress and your satisfaction and support is our eternal power. At present, our company has a group of highly qualified technical personnel and sales team.

1.Product Feature

PB3 is the substitute of and parallels in performance with abroad iglidur G . With PB3, we offer a wide range of wear resistant and universal materials. Medium speed applications with medium to medium loads are recommended. Even at temperatures up to 180°C, PB3 is dimensionally stable and wear-resistant and offers very low moisture absorption. This makes PB3 suitable for a variety of different applications and is therefore an all-rounder with good running performance.

More than 113 dimensions, others at short notice upon request

Two times longer service life at high loads

Up to 4 times lower wear at low loads

Long-term service temperature up to +180°C

Press fit up to +120°C (iglidur® G: up to +80°C)

Moisture absorption reduced by 50%

 

2.Product Technical Data:

PB Standard Material Technical Data

 Material Properties

Testing Method

Unit

    PB3

      PB5

   PB3M

    PB7

 Density

   IS01183

       g/cm3

1.46

1.44

1.15

1.25

Color

 

 

 Dark Grey

Black

Dark Grey

Cream

Dynamic friction /steel(dry)

 

 

0.08-0.18

0.09-0.25

0.09-0.30

0.09-0.20

 Max. PV (dry) 

 

N/mm2×m/s

0.5

1.5

0.2

0.5

 Max. rotating velocity

 

m/s

1.0

1.5

0.8

1.0

Max. oscillating velocity

 

m/s

0.7

1.1

0.6

0.7

 Max. linear velocity

 

m/s

4.0

5.0

2.5

4.0

 Tensile strength

 IS0527

MPa

200

170

110

120

Compressive  strength(Axial)

 

MPa

80

100

50

60

E-module

IS0527

MPa

7700

7900

2500

3500

 Max. static pressure of the surface, 20℃

 

MPa

80

150

20

60

Shore hardness

IS0 868

D

81

85

79

77

Continuous work temperature

 

-40/+130

-100/+250

-40/+80

-40/+100

Short-time work temperature

 

-40/+220

-100/+315

-40/+170

-40/+180

Thermal conductivity

ASTME1461

W / m×k

0.25

0.6

0.25

0.2

 Linear coef. of thermal expansion

ASTMD696

K-1×10-5

9

5

10

9

RH50/23℃

Moisture absorption RH50/23℃

ASTMD570

%

0.7

0.1

1.4

1.3

Max. water absorption, 23℃

 

%

4.0

0.5

7.6

6.5

 Flammability

UL94

 

HB

V0

HB

HB

 Volume resistivity

IEC60093

      。cm

>1013

>108

>1012

>1012

Surface resistivity

IEC60093

>1011

>107

>1011

>1012


Deliver Shipping Term

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Different product packaging methodsHigh-intensity carton packagingPalletized packaging library
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Professional placementAir freightShipping


Certification:

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With outstanding performance in technology and service, we have now provided high-quality PTFE Stem Bushing for Marine Valves and perfect after-sales service to a large number of customers in the industry. We hope that we will establish a good brand image with our quality and characteristics, thereby laying a solid foundation for the development of the group company. Our achievements and bright future come from the professionalism of all employees, which is the source of our company's great added value and the concentrated expression of our core competitiveness.

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