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Piston SILRING 320,00X299,00X8,10 PTBR40 (OR 291,47X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 299.00 x 320.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3200SPTBR40
Weight : 148.7800 gr.
Customs tariff code: 39269097
Country of origin: CN
Piston SILRING 330,00X305,50X8,10 PTBR40 (OR 304,17X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 305.50 x 330.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3300SPTBR40
Weight : 188.7100 gr.
Customs tariff code: 39269097
Country of origin: CN
SILRING Pistón 340,00X315,50X8,10 PTBR40 (OR 316,87X6,99 NBR70) Doble Efecto
Family: Double-acting piston composite seal
Dimensions : 315.50 x 340.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3400SPTBR40
Weight : 195.5300 gr.
Customs tariff code: 39269097
Country of origin: CN
Piston SILRING 350,00X325,50X8,10 PTBR40 (OR 316,87X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 325.50 x 350.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3500SPTBR40
Weight : 206.8250 gr.
Customs tariff code: 39269097
Country of origin: CN
Double-acting piston composite seal
Piston SILRING 360,00X335,50X8,10 PTBR40 (OR 329,57X6,99 NBR70) Double-acting
335.50
x
360.00
x
8.10
PTFE + BRONZE
-
0
5 Units
- 17/05/2024
Piston SILRING 360,00X335,50X8,10 PTBR40 (OR 329,57X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 335.50 x 360.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3600SPTBR40
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Double-acting piston composite seal
Piston SILRING 370,00X345,50X8,10 PTBR40 (OR 342,27X6,99 NBR70) Double-acting
345.50
x
370.00
x
8.10
PTFE + BRONZE
-
0
5 Units
- 17/05/2024
Piston SILRING 370,00X345,50X8,10 PTBR40 (OR 342,27X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 345.50 x 370.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3700SPTBR40
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Double-acting piston composite seal
Piston SILRING 380,00X355,50X8,10 PTBR40 (OR 354,97X6,99 NBR70) Double-acting
355.50
x
380.00
x
8.10
PTFE + BRONZE
-
0
5 Units
- 17/05/2024
Piston SILRING 380,00X355,50X8,10 PTBR40 (OR 354,97X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 355.50 x 380.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3800SPTBR40
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Double-acting piston composite seal
Piston SILRING 390,00X365,50X8,10 PTBR40 (OR 354,97X6,99 NBR70) Double-acting
365.50
x
390.00
x
8.10
PTFE + BRONZE
-
0
5 Units
- 17/05/2024
Piston SILRING 390,00X365,50X8,10 PTBR40 (OR 354,97X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 365.50 x 390.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD3900SPTBR40
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Double-acting piston composite seal
Piston SILRING 400,00X375,50X8,10 PTBR40 (OR 367,67X6,99 NBR70) Double-acting
375.50
x
400.00
x
8.10
PTFE + BRONZE
-
0
5 Units
- 17/05/2024
Piston SILRING 400,00X375,50X8,10 PTBR40 (OR 367,67X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 375.50 x 400.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD4000SPTBR40
Weight : 0.0000 gr.
Customs tariff code: 39269097
Country of origin: CN
Piston SILRING 420,00X395,50X8,10 PTBR40 (OR 393,07X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 395.50 x 420.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD4200SPTBR40
Weight : 243.0600 gr.
Customs tariff code: 39269097
Country of origin: CN
Piston SILRING 450,00X425,50X8,10 PTBR40 (OR 417,96X6,99 NBR70) Double-acting
Family: Double-acting piston composite seal
Dimensions : 425.50 x 450.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD4500SPTBR40
Weight : 260.4000 gr.
Customs tariff code: 39269097
Country of origin: CN
PISTON SILRING 500,00X475,50,X8,10 PTBR40 (OR 468,76X6,99 NBR70) Double-Acting
Family: Double-acting piston composite seal
Dimensions : 475.50 x 500.00 x 8.10
Material: PTFE + BRONZE
Color:
BROWN
Part number: SRPD5000SPTBR40
Weight : 289.1000 gr.
Customs tariff code: 39269097
Country of origin: CN
TECHNICAL DATA
| Seals | Profile | Material | Temperature | Speed | Pressure |
|---|---|---|---|---|---|
| SRPD |  | PTFE + 40% BRONZE + NBR70 | -20 to +120 ºC | 15 < m/s | 60 < Mpa |
SRPD - Double-Acting Piston Composite Seal
SRPD piston 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 applications with alternative and helicoidal movements such as double-acting cylinders, machine tools or construction machinery.
- Standard material: PTBR40 (PTFE + 40% Bronze) + O-Ring NBR70
- Working temperature: -20 to +100/120 ºC
- Speed: <15m/s
- Pressure: <60mpa
Installation recommendations
| Piston 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 |
| 8-14,9 | 15-39,9 | - | DN 4,9 | 2,2 | 0,4 | 0,30 | 0,20 | 0,15 | 1,78 |
| 15-39,9 | 40-79,9 | - | DN - 7,5 | 3,2 | 0,6 | 0,40 | 0,25 | 0,15 | 2,62 |
| 40-79,9 | 80-132,9 | 15-39,9 | DN - 11,0 | 4,2 | 1,0 | 0,40 | 0,25 | 0,20 | 3,53 |
| 80-132,9 | 133-329,9 | 40-79,9 | DN - 15,5 | 6,3 | 1,3 | 0,50 | 0,30 | 0,20 | 5,33 |
| 133-329,9 | 330-669,9 | 80-132,9 | DN - 21,0 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
| 330-669,9 | 670-999,9 | 133-329,9 | DN - 24,5 | 8,1 | 1,8 | 0,60 | 0,35 | 0,25 | 6,99 |
| 670-999,9 | - | 330-669,9 | DN - 28,0 | 9,5 | 2,5 | 0,70 | 0,50 | 0,30 | 8,40 |
| >1000 | - | 670-999,9 | DN - 38,0 | 13,8 | 3,0 | 1,00 | 0,70 | 0,60 | 12,00 |