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Rod SILRING 18,00X25,30X3,20 PTBR40 (OR 20,30X2,62 NBR70) Simple-acting
Family: Simple-acting rod composite seal
Dimensions : 18.00 x 25.30 x 3.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0180SPTBR40
Weight : 1.1000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 20.00X30.70X4.20 PTBR40 (OR 23,39X3.53 NBR70) Simple Acting
Family: Simple-acting rod composite seal
Dimensions : 20.00 x 30.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0200SPTBR40
Weight : 2.8000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 22,00X32,70X4,20 PTBR40 (OR 26,57X3,53 NBR70) Simple-Acting
Family: Simple-acting rod composite seal
Dimensions : 22.00 x 32.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0220SPTBR40
Weight : 3.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 25.00X35.70X4.20 PTBR40 (OR 29.74X3.53 NBR70) Simple Acting
Family: Simple-acting rod composite seal
Dimensions : 25.00 x 35.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0250SPTBR40
Weight : 3.4000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 28,00X38,70X4,20 PTBR40 (OR 32,92X3,53 NBR70) Simple-Acting
Family: Simple-acting rod composite seal
Dimensions : 28.00 x 38.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0280SPTBR40
Weight : 3.8300 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 30,00X37,30X3,20 PTBR40 (OR 32,99X2,62 NBR70) Simple-Acting
Family: Simple-acting rod composite seal
Dimensions : 30.00 x 37.30 x 3.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0300LPTBR40
Weight : 26.5000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 30,00X40,70X4,20 PTBR40 (OR 34,52X3,53 NBR70) Simple Acting
Family: Simple-acting rod composite seal
Dimensions : 30.00 x 40.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0300SPTBR40
Weight : 4.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 32,00X42,70X4,20 PTBR40 (OR 36,09X3,53 NBR70) Simple-Acting
Family: Simple-acting rod composite seal
Dimensions : 32.00 x 42.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0320SPTBR40
Weight : 4.2000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 35,00X45,70X4,20 PTBR40 (OR 37.696X3.53 NBR70) Simple Acting
Family: Simple-acting rod composite seal
Dimensions : 35.00 x 45.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0350SPTBR40
Weight : 4.6000 gr.
Customs tariff code: 39269097
Country of origin: CN
SILRING Vástago 36,00X46,70X4,20 PTBR40 (OR 40,87X3,53 NBR70) Simple Efecto
Family: Simple-acting rod composite seal
Dimensions : 36.00 x 46.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0360SPTBR40
Weight : 4.6500 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 38,00X48,70X4,20 PTBR40 (OR 40,87X3.53 NBR70) Simple Acting
Family: Simple-acting rod composite seal
Dimensions : 38.00 x 48.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0380SPTBR40
Weight : 5.1000 gr.
Customs tariff code: 39269097
Country of origin: CN
ROD SILRING 40.00X50.70X4.20 PTBR40 (OR 44.04X3.53 NBR70) Simple-Acting
Family: Simple-acting rod composite seal
Dimensions : 40.00 x 50.70 x 4.20
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRVS0400LPTBR40
Weight : 9.5000 gr.
Customs tariff code: 39269097
Country of origin: CN
TECHNICAL DATA
| Seals | Profile | Material | Temperature | Speed | Pressure |
|---|---|---|---|---|---|
| SRVS |  | PTFE + 40% BRONZE + NBR70 | -20 to +120 ºC | 15 < m/s | 60 < Mpa |
QUICK LINKS
SRVS - Simple-Acting Rod Composite Seal
The SRVS rod seal is the combination of a PTFE+Filler ring (generally 40% bronze) and an energizing O-Ring. It is a model particularly well adapted to piston rods of hydraulic systems such as cylinders, machine tools, injection molding machines or hammers. In combination with a scraper, SRVS rod seal ensures a perfect sealing.
- Standard material: PTBR40 (PTFE + 40% Bronze) + O-Ring NBR70
- Working temperature: -20 to +100/120 ºC
- Speed: <15m/s
- Pressure: <60mpa
Installation recommendations
| Rod diametre | Groove diametre | Groove width | Radius | Radial gap S max | OR C/S | ||||
| Standard serie | Light-duty serie | Heavy-duty serie | D1 h9 | L1 +0,2 | r1 | 10 MPa | 20 MPa | 40 MPa | d2 |
| 3–7,9 | 8-18,9 | – | dN+ 4,9 | 2,2 | 0,4 | 0,30 | 0,20 | 0,15 | 1,78 |
| 8–18,9 | 19–37,9 | – | dN+ 7,3 | 3,2 | 0,6 | 0,40 | 0,25 | 0,15 | 2,62 |
| 19–37,9 | 38 – 199,9 | 8-18,9 | dN+ 10,7 | 4,2 | 1,0 | 0,40 | 0,25 | 0,20 | 3,53 |
| 38 – 199,9 | 200–255,9 | 19–37,9 | dN+ 15,1 | 6,3 | 1,3 | 0,50 | 0,30 | 0,20 | 5,33 |
| 200–255,9 | 256- 649,9 | 38 – 199,9 | dN+ 20,5 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
| 256- 649,9 | 650-999,9 | 200–255,9 | dN+ 24,0 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
| 650-999,9 | >1000 | 256- 649,9 | dN+ 27,3 | 9,5 | 2,5 | 0,70 | 0,50 | 0,30 | 8,40 |
| >1000 | – | 650-999,9 | dN+ 38,0 | 13,8 | 3,0 | 1,00 | 0,70 | 0,60 | 12,00 |