Single Acting Hydraulic & Pneumatic Rod Seal with Bronze Filled PTFE Item Rod Seal Color White/black/brown/geen/blue etc. Material PTFE, PU, NBR, FKM, PA, POM, Silicone, EPDM, FFKM, UPE, PEEK etc. Type RA/RB/RC/RL/RM/RN.RV/UF1/R4 Properties High temperature, low temperature, high pressure, low pressure,friction resistance,very good extrusion resistance, Application machinery, chemicals, petroleum, ships, automobiles, locomotives, LNG etc A PTFE sealing ring energized by an O-ring is designed for bi-directional pressurization, pneumatic pistons, such as in control cylinders, in quick acting cylinders, and servo-assisted equipment. It is dedicated for assembly on an integral piston to serve as a high extrusion resistance but very low sliding friction sealing in pneumatic applications. Application range Pressure: ≤16BAR Temperature: -60~+200ºC Speed: ≤4m/s Material: Bronze filled PTFE *Other materials are available for specified conditions Guidelines for the Selection of Special Size Piston diameter Groove bottom Groove width Radius Gap Gland code O-ring C.S. φDa φDi L R T 4~15.9 Di-4.0 2.0 0.5 0.2 A 1.78 16~26.9 Di-6.0 2.85 0.5 0.25 B 2.62 27~49.9 Di-7.5 3.8 0.5 0.25 C 3.53 50~129.0 Di-12.5 5.6 0.9 0.5 D 5.33 130~179.9 Di-15.0 7.55 0.9 0.5 E 6.99 180~239.9 Di-18.0 7.55 0.9 0.75 F 6.99 240~420 Di-24.0 7.55 0.9 1.0 G 6.99 Q&A Q1: Can I get a sample? A: Samples are available, usually products in stock can be send within 3 days, customized product send within 2 ~3 weeks. Q2: How do I choose the perfect product? A: We have specialist to offer you the best choice regarding material, design and solutions according to the working conditions. Q3: Can you do customisation? A: Yes, we can manufacture according your samples/drawings. Q4: What trade terms do you accept? A: We accept EXW, FOB, FCA, CIF, CFR, DDU,CPT, DDP, DAF etc.