BT PROFILE, SINGLE-ACTING U-CUP STYLE ROD SEAL FOR HYDRAULIC APPLICATIONS | Product Series

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Outside Diameter

Gland Depth

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BT PROFILE, SINGLE-ACTING U-CUP STYLE ROD SEAL FOR HYDRAULIC APPLICATIONS

BT PROFILE, SINGLE-ACTING U-CUP STYLE ROD SEAL FOR HYDRAULIC APPLICATIONS

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Parker's BT profile is a single-acting, non-symmetrical u-cup style rod seal with knife-trimmed, beveled sealing lips and secondary heel lip for enhanced stability. Robust design features excellent wear resistant Resilon® polyurethane.

Technical Specifications

  • Maximum Operating Pressure: 5000 psi
  • For Fluid Type: Varies (depending on material)
  • Color: Tan, Aqua
  • Thermal Application Type: Varies (depending on material)
  • Polymer Material Options: Thermoplastic Polyurethane (TPU, Resilon®, Ultrathan®)
  • Durometer: 90 Shore A, 60 Shore D
  • Specifications Met: None
  • Media: Hydraulic
  • Maximum Surface Speed: 100 ft/min, 0.5 m/sec
Safety Warning

Full Product Description

AVAILABILITY:  A sampling of Parker’s part numbers are shown in the configurator above for select materials and sizes.  If the material and dimensions required are not shown, assistance with part number configuration may be found in the literature documents in the Product Support tab.  To check current tooling, review the Part Number Look-up document found in Product Support tab.  Contact Parker for requirements outside standards shown.  

Parker’s BT Profile is a single-acting, non-symmetrical rod seal for hydraulics.   The U-cup shaped seal features a robust knife trimmed, beveled lip which does an excellent job wiping fluid film. Its rectangular shaped cross section ensures stability in the gland. A stabilizing lip is located below the primary sealing lip, just above the base of the seal, to provide enhanced sealing performance and ensure a tight, stable fit in the gland.  

Available in Parker’s proprietary Resilon® polyurethanes, the BT Profile provides
• Long life
• Extrusion resistance
• Low compression set
• Shock load resistance, and
• Excellent sealing performance at zero pressure

The BT Profile is designed to be used as a stand alone rod seal or for use with the BR Profile rod buffer seal for more critical sealing applications.

Standard Materials:
• P4300A90 Resilon® polyurethane; Temp -65 / +275F; Pressure* 5000 psi; Surface speed

Related Documents

Training
Basic Sealing Technology-Linear Sealing
Compliance, Certifications & Safety
EPS Division, SLC, IATF 16949:2016
EPS Division, SLC, ISO 9001:2015 and AS9100D in Accordance With AS9104/1
Communities, Blogs & Industry Links
Blog - Proprietary Resilon Polyurethane Raises the Bar for Seal Durability in Frac Pumps
Contact & Support Information
Design Action Request--DAR
Frequently Asked Questions
Literature and Reference Materials
Fluid Power Seal Design Guide--EPS 5370
Zero Leak Rod Seal Package - EPS 5222
Installation Techniques for Linear Fluid Power Seals
Resilon® 4301 Polyurethane, EPS 5219
Resilon® Polyurethane - EPS 5202
Resilon® Polyurethane --Landing Page
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Products Length Unit of Measure Inside Diameter Outside Diameter Gland Depth Groove Width Minimum Working Temperature (F) Maximum Working Temperature (F) Seal Material
4301BT37506750-625 inch 6.750 7.500 0.375 0.625 -35 225 P4301A90
4300BT37507000-625 inch 7.000 7.750 0.375 0.625 -65 275 P4300A90
4300BT50007500-750 inch 7.500 8.500 0.500 0.750 -65 275 P4300A90
4300BT37508000-625 inch 8.000 8.750 0.375 0.625 -65 275 P4300A90
4301BT37508000-625 inch 8.000 8.750 0.375 0.625 -35 225 P4301A90
4300BT50008000-750 inch 8.000 9.000 0.500 0.750 -65 275 P4300A90
4300BT37508500-625 inch 8.500 9.250 0.375 0.625 -65 275 P4300A90
4300BT50008500-750 inch 8.500 9.500 0.500 0.750 -65 275 P4300A90
4300BT50009000-750 inch 9.000 10.000 0.500 0.750 -65 275 P4300A90
4300BT37509500-625 inch 9.500 10.250 0.375 0.625 -65 275 P4300A90
4300BT50009500-750 inch 9.500 10.500 0.500 0.750 -65 275 P4300A90
4300BT50010000-750 inch 10.000 11.000 0.500 0.750 -65 275 P4300A90
M300BT02.0006-3.5 mm 6.0 9.9 2.0 3.8 -65 275 P4300A90
M300BT05.0025-7.3 mm 25.0 35.0 5.0 8.0 -65 275 P4300A90
M301BT05.0025-7.3 mm 25.0 35.0 5.0 8.0 -35 225 P4301A90
M300BT04.0028-5.7 mm 28.0 36.0 4.0 6.3 -65 275 P4300A90
M300BT05.0028-7.3 mm 28.0 38.0 5.0 8.0 -65 275 P4300A90
M301BT05.0028-7.3 mm 28.0 38.0 5.0 8.0 -35 225 P4301A90
M300BT05.0032-7.3 mm 32.0 42.0 5.0 8.0 -65 275 P4300A90
M300BT04.0036-5.7 mm 36.0 44.0 4.0 6.3 -65 275 P4300A90
M301BT05.0036-7.3 mm 36.0 46.0 5.0 8.0 -35 225 P4301A90
M300BT05.0040-7.3 mm 40.0 49.9872 5.0 8.03 -65 275 P4300A90
M300BT04.0045-5.6 mm 45.0 52.9844 4.0 6.16 -65 275 P4300A90
M301BT05.0045-10 mm 45.0 54.991 5.0 11.0 -35 225 P4301A90
M300BT05.0050-7.3 mm 50.0 59.9948 5.0 8.03 -65 275 P4300A90
M301BT05.0050-7.3 mm 50.0 59.9948 5.0 8.03 -35 225 P4301A90
M300BT05.0055-7.3 mm 55.0 64.9986 5.0 8.03 -65 275 P4300A90
M300BT07.5055-12 mm 55.0 69.977 7.5 13.2 -65 275 P4300A90
M300BT05.0056-6.5 mm 56.0 65.9892 5.0 7.15 -65 275 P4300A90
M300BT07.5063-11.4 mm 63.0 77.978 7.5 12.54 -65 275 P4300A90
M300BT07.5065-9 mm 65.0 79.9846 7.5 9.9 -65 275 P4300A90
M300BT07.5070-11.4 mm 70.0 84.9884 7.5 12.54 -65 275 P4300A90
M301BT06.5075-10 mm 75.0 87.9856 6.5 11.0 -35 225 P4301A90
M300BT07.5080-9 mm 80.0 94.996 7.5 9.9 -65 275 P4300A90
M300BT07.5080-11.4 mm 80.0 94.996 7.5 12.54 -65 275 P4300A90
M300BT07.5085-12 mm 85.0 99.9998 7.5 13.2 -65 275 P4300A90
M300BT07.5085-9 mm 85.0 99.9998 7.5 9.9 -65 275 P4300A90
M300BT05.0090-6.5 mm 90.0 99.9998 5.0 7.15 -65 275 P4300A90
M300BT10.0100-14.5 mm 100.0 119.9896 10.0 15.95 -65 275 P4300A90
M300BT07.5110-9.6 mm 110.0 124.9934 7.5 10.56 -65 275 P4300A90
M300BT10.0125-14.5 mm 125.0 144.9832 10.0 15.95 -65 275 P4300A90
M300BT07.5140-9.6 mm 140.0 154.9908 7.5 10.56 -65 275 P4300A90
M300BT12.5160-18.2 mm 160.0 184.9882 12.5 20.02 -65 275 P4300A90
M300BT12.5180-18.2 mm 180.0 204.978 12.5 20.02 -65 275 P4300A90
M300BT12.5200-18.2 mm 200.0 224.9932 12.5 20.02 -65 275 P4300A90
M300BT15.0220-22.7 mm 220.0 249.9868 15.0 24.97 -65 275 P4300A90
M300BT15.0250-22.7 mm 250.0 279.9842 15.0 24.97 -65 275 P4300A90
M300BT15.0280-22.7 mm 280.0 309.9816 15.0 24.97 -65 275 P4300A90
4300BT25002125-375 inch 2.125 2.625 0.250 0.375 -65 275 P4300A90
4301BT25002125-375 inch 2.125 2.625 0.250 0.375 -35 225 P4301A90
4300BT18702250-312 inch 2.25 2.625 0.187 0.312 -65 275 P4300A90
4300BT25002250-375 inch 2.25 2.750 0.250 0.375 -65 275 P4300A90
4301BT25002250-375 inch 2.25 2.750 0.250 0.375 -35 225 P4301A90
4300BT25002375-375 inch 2.375 2.875 0.250 0.375 -65 275 P4300A90
4300BT18702500-375 inch 2.5 2.875 0.187 0.375 -65 275 P4300A90
4300BT21802500-281 inch 2.5 2.937 0.218 0.281 -65 275 P4300A90
4300BT21802500-312 inch 2.5 2.937 0.218 0.312 -65 275 P4300A90
4300BT21802500-375 inch 2.5 2.937 0.218 0.375 -65 275 P4300A90
4301BT21802500-281 inch 2.5 2.937 0.218 0.281 -35 225 P4301A90
4300BT25002500-375 inch 2.5 3.000 0.250 0.375 -65 275 P4300A90
4301BT25002500-375 inch 2.5 3.000 0.250 0.375 -35 225 P4301A90
4300BT25002625-375 inch 2.625 3.125 0.250 0.375 -65 275 P4300A90
4300BT25002750-375 inch 2.750 3.250 0.250 0.375 -65 275 P4300A90
4300BT31202750-500 inch 2.750 3.375 0.312 0.500 -65 275 P4300A90
4301BT31202750-500 inch 2.750 3.375 0.312 0.500 -35 225 P4301A90
4300BT18703000-375 inch 3.000 3.375 0.187 0.375 -65 275 P4300A90
4300BT21803000-281 inch 3.000 3.437 0.218 0.281 -65 275 P4300A90
4300BT25003000-375 inch 3.000 3.500 0.250 0.375 -65 275 P4300A90
4301BT25003000-375 inch 3.000 3.500 0.250 0.375 -35 225 P4301A90
4300BT25003250-375 inch 3.250 3.750 0.250 0.375 -65 275 P4300A90
4300BT18703500-375 inch 3.500 3.875 0.187 0.375 -65 275 P4300A90
4300BT25003500-312 inch 3.500 4.000 0.250 0.312 -65 275 P4300A90
4300BT25003500-375 inch 3.500 4.000 0.250 0.375 -65 275 P4300A90
4300BT31203500-500 inch 3.500 4.125 0.312 0.500 -65 275 P4300A90
4300BT25003750-375 inch 3.750 4.250 0.250 0.375 -65 275 P4300A90
4300BT31203750-500 inch 3.750 4.375 0.312 0.500 -65 275 P4300A90
4301BT31203750-500 inch 3.750 4.375 0.312 0.500 -35 225 P4301A90
4301BT37503750-625 inch 3.750 4.500 0.375 0.625 -35 225 P4301A90
4300BT18703875-312 inch 3.875 4.250 0.187 0.312 -65 275 P4300A90
4300BT25004000-312 inch 4.000 4.500 0.250 0.312 -65 275 P4300A90
4300BT25004000-375 inch 4.000 4.500 0.250 0.375 -65 275 P4300A90
4300BT25004000-562 inch 4.000 4.500 0.250 0.562 -65 275 P4300A90
4301BT25004000-375 inch 4.000 4.500 0.250 0.375 -35 225 P4301A90
4301BT25004000-562 inch 4.000 4.500 0.250 0.562 -35 225 P4301A90
4300BT31204000-375 inch 4.000 4.625 0.312 0.375 -65 275 P4300A90
4301BT31204000-375 inch 4.000 4.625 0.312 0.375 -35 225 P4301A90
4300BT31204000-500 inch 4.000 4.625 0.312 0.500 -65 275 P4300A90
4300BT37504000-625 inch 4.000 4.750 0.375 0.625 -65 275 P4300A90
4301BT37504000-625 inch 4.000 4.750 0.375 0.625 -35 225 P4301A90
4300BT31204250-500 inch 4.250 4.875 0.312 0.500 -65 275 P4300A90
4300BT37504250-625 inch 4.250 5.000 0.375 0.625 -65 275 P4300A90
4300BT37504250-713 inch 4.250 5.000 0.375 0.713 -65 275 P4300A90
4300BT25004500-312 inch 4.500 5.000 0.250 0.312 -65 275 P4300A90
4301BT25004500-312 inch 4.500 5.000 0.250 0.312 -35 225 P4301A90
4300BT31204500-375 inch 4.500 5.125 0.312 0.375 -65 275 P4300A90
4301BT31204500-375 inch 4.500 5.125 0.312 0.375 -35 225 P4301A90
4300BT31204500-500 inch 4.500 5.125 0.312 0.500 -65 275 P4300A90
4300BT37504500-625 inch 4.500 5.250 0.375 0.625 -65 275 P4300A90
4301BT37504500-625 inch 4.500 5.250 0.375 0.625 -35 225 P4301A90
4300BT25004750-562 inch 4.750 5.250 0.250 0.562 -65 275 P4300A90
4301BT25004750-562 inch 4.750 5.250 0.250 0.562 -35 225 P4301A90
4300BT31204750-500 inch 4.750 5.375 0.312 0.500 -65 275 P4300A90
4301BT31204750-500 inch 4.750 5.375 0.312 0.500 -35 225 P4301A90
4300BT25005000-375 inch 5.000 5.500 0.250 0.375 -65 275 P4300A90
4300BT25005000-562 inch 5.000 5.500 0.250 0.562 -65 275 P4300A90
4301BT25005000-375 inch 5.000 5.500 0.250 0.375 -35 225 P4301A90
4301BT25005000-562 inch 5.000 5.500 0.250 0.562 -35 225 P4301A90
4300BT28105000-344 inch 5.000 5.562 0.281 0.344 -65 275 P4300A90
4300BT37505000-625 inch 5.000 5.750 0.375 0.625 -65 275 P4300A90
4301BT37505000-625 inch 5.000 5.750 0.375 0.625 -35 225 P4301A90
4300BT31205500-375 inch 5.500 6.125 0.312 0.375 -65 275 P4300A90
4300BT37505500-625 inch 5.500 6.250 0.375 0.625 -65 275 P4300A90
4301BT37505500-625 inch 5.500 6.250 0.375 0.625 -35 225 P4301A90
4301BT25005750-562 inch 5.750 6.250 0.250 0.562 -35 225 P4301A90
4301BT31205750-625 inch 5.750 6.375 0.312 0.625 -35 225 P4301A90
4300BT25006000-562 inch 6.000 6.500 0.250 0.562 -65 275 P4300A90
4300BT37506000-625 inch 6.000 6.750 0.375 0.625 -65 275 P4300A90
4300BT37506500-625 inch 6.500 7.250 0.375 0.625 -65 275 P4300A90
4300BT31206750-500 inch 6.750 7.375 0.312 0.500 -65 275 P4300A90
4301BT31206750-625 inch 6.750 7.375 0.312 0.625 -35 225 P4301A90
4300BT37506750-625 inch 6.750 7.500 0.375 0.625 -65 275 P4300A90
4300BT12500219-225 inch 0.219 0.469 0.125 0.225 -65 275 P4300A90
4300BT12500250-187 inch 0.250 0.500 0.125 0.187 -65 275 P4300A90
4300BT12500312-187 inch 0.312 0.562 0.125 0.187 -65 275 P4300A90
4300BT12500375-187 inch 0.375 0.625 0.125 0.187 -65 275 P4300A90
4300BT12500437-125 inch 0.437 0.687 0.125 0.125 -65 275 P4300A90
4300BT12500437-187 inch 0.437 0.687 0.125 0.187 -65 275 P4300A90
4300BT12500500-187 inch 0.500 0.750 0.125 0.187 -65 275 P4300A90
4300BT12500500-250 inch 0.500 0.750 0.125 0.250 -65 275 P4300A90
4301BT12500500-250 inch 0.500 0.750 0.125 0.250 -35 225 P4301A90
4300BT12500625-187 inch 0.625 0.875 0.125 0.187 -65 275 P4300A90
4300BT12500625-250 inch 0.625 0.875 0.125 0.250 -65 275 P4300A90
4300BT18700625-275 inch 0.625 1.000 0.187 0.275 -65 275 P4300A90
4300BT18700625-312 inch 0.625 1.000 0.187 0.312 -65 275 P4300A90
4300BT12500750-187 inch 0.750 1.000 0.125 0.187 -65 275 P4300A90
4300BT12500750-250 inch 0.750 1.000 0.125 0.250 -65 275 P4300A90
4300BT18700750-250 inch 0.750 1.125 0.187 0.250 -65 275 P4300A90
4300BT12500875-187 inch 0.875 1.125 0.125 0.187 -65 275 P4300A90
4300BT12500875-250 inch 0.875 1.125 0.125 0.250 -65 275 P4300A90
4300BT18700875-250 inch 0.875 1.250 0.187 0.250 -65 275 P4300A90
4300BT12501000-187 inch 1.000 1.250 0.125 0.187 -65 275 P4300A90
4300BT12501000-250 inch 1.000 1.250 0.125 0.250 -65 275 P4300A90
4301BT12501000-187 inch 1.000 1.250 0.125 0.187 -35 225 P4301A90
4301BT12501000-250 inch 1.000 1.250 0.125 0.250 -35 225 P4301A90
4300BT15601000-219 inch 1.000 1.312 0.156 0.219 -65 275 P4300A90
4301BT15601000-219 inch 1.000 1.312 0.156 0.219 -35 225 P4301A90
4300BT18701000-312 inch 1.000 1.375 0.187 0.312 -65 275 P4300A90
4301BT18701000-312 inch 1.000 1.375 0.187 0.312 -35 225 P4301A90
4300BT25001000-375 inch 1.000 1.500 0.250 0.375 -65 275 P4300A90
4300BT12501125-250 inch 1.125 1.375 0.125 0.250 -65 275 P4300A90
4300BT18701125-250 inch 1.125 1.500 0.187 0.250 -65 275 P4300A90
4300BT18701125-312 inch 1.125 1.500 0.187 0.312 -65 275 P4300A90
4300BT25001125-375 inch 1.125 1.625 0.250 0.375 -65 275 P4300A90
4300BT12501250-187 inch 1.250 1.500 0.125 0.187 -65 275 P4300A90
4300BT12501250-250 inch 1.250 1.500 0.125 0.250 -65 275 P4300A90
4300BT18701250-312 inch 1.250 1.625 0.187 0.312 -65 275 P4300A90
4300BT25001250-375 inch 1.250 1.750 0.250 0.375 -65 275 P4300A90
4301BT25001250-375 inch 1.250 1.750 0.250 0.375 -35 225 P4301A90
4300BT15601375-219 inch 1.375 1.687 0.156 0.219 -65 275 P4300A90
4300BT15601375-312 inch 1.375 1.687 0.156 0.312 -65 275 P4300A90
4300BT18701375-250 inch 1.375 1.750 0.187 0.250 -65 275 P4300A90
4300BT18701375-312 inch 1.375 1.750 0.187 0.312 -65 275 P4300A90
4301BT18701375-312 inch 1.375 1.750 0.187 0.312 -35 225 P4301A90
4300BT25001375-375 inch 1.375 1.875 0.250 0.375 -65 275 P4300A90
4300BT12501500-250 inch 1.500 1.750 0.125 0.250 -65 275 P4300A90
4301BT12501500-250 inch 1.500 1.750 0.125 0.250 -35 225 P4301A90
4300BT18701500-250 inch 1.500 1.875 0.187 0.250 -65 275 P4300A90
4300BT18701500-281 inch 1.500 1.875 0.187 0.281 -65 275 P4300A90
4300BT18701500-375 inch 1.500 1.875 0.187 0.375 -65 275 P4300A90
4301BT18701500-250 inch 1.500 1.875 0.187 0.250 -35 225 P4301A90
4301BT18701500-375 inch 1.500 1.875 0.187 0.375 -35 225 P4301A90
4300BT25001500-375 inch 1.500 2 0.250 0.375 -65 275 P4300A90
4301BT25001500-375 inch 1.500 2 0.250 0.375 -35 225 P4301A90
4300BT18701625-375 inch 1.625 2 0.187 0.375 -65 275 P4300A90
4301BT18701625-375 inch 1.625 2 0.187 0.375 -35 225 P4301A90
4300BT18701750-250 inch 1.750 2.125 0.187 0.250 -65 275 P4300A90
4300BT18701750-312 inch 1.750 2.125 0.187 0.312 -65 275 P4300A90
4300BT18701750-375 inch 1.750 2.125 0.187 0.375 -65 275 P4300A90
4301BT18701750-312 inch 1.750 2.125 0.187 0.312 -35 225 P4301A90
4301BT18701750-375 inch 1.750 2.125 0.187 0.375 -35 225 P4301A90
4300BT25001750-375 inch 1.750 2.250 0.250 0.375 -65 275 P4300A90
4300BT18701875-375 inch 1.875 2.250 0.187 0.375 -65 275 P4300A90
4301BT18701875-375 inch 1.875 2.250 0.187 0.375 -35 225 P4301A90
4300BT18702000-250 inch 2.000 2.375 0.187 0.250 -65 275 P4300A90
4300BT18702000-312 inch 2.000 2.375 0.187 0.312 -65 275 P4300A90
4300BT18702000-375 inch 2.000 2.375 0.187 0.375 -65 275 P4300A90
4301BT18702000-250 inch 2.000 2.375 0.187 0.250 -35 225 P4301A90
4300BT25002000-375 inch 2.000 2.500 0.250 0.375 -65 275 P4300A90
4301BT25002000-375 inch 2.000 2.500 0.250 0.375 -35 225 P4301A90
4300BT18702125-312 inch 2.125 2.500 0.187 0.312 -65 275 P4300A90
4300BT18701875-312 inch 1.875 2.25 0.187 0.413 -65 275 P4300A90
4300BT25002000R1-375 inch 2 2.25 0.250 0.413 -65 275 P4300A90
4300BT50013000-750 inch 13 14 0.500 0.825 -65 275 P4300A90
4300BT50018000-500 inch 18 19 0.500 0.825 -65 275 P4300A90
4301BT12500625-250 inch 0.625 0.875 0.125 0.275 -35 225 P4301A90
4301BT12501250-250 inch 1.25 1.5 0.187 0.343 -35 225 P4301A90
4301BT18701375-250 inch 1.375 1.75 0.187 0.343 -35 225 P4301A90
4301BT18701750-250 inch 1.75 2.125 0.187 0.413 -35 225 P4301A90
4301BT18702000-375 inch 2 2.375 0.250 0.413 -35 225 P4301A90
4301BT18702500-375 inch 2.5 2.875 0.250 0.413 -35 225 P4301A90
4301BT25001750-375 inch 1.75 2.25 0.187 0.413 -35 225 P4301A90
4301BT50013000-750 inch 13 14 0.500 0.825 -35 225 P4301A90
4304BT25001625-375 inch 1.625 2.125 0.187 0.413 -65 275 P4304D60
4304BT31201500-500 inch 1.5 1.125 0.187 0.413 -65 275 P4304D60
4311BT25002000-375 inch 2 2.5 0.250 0.413 -65 275 P4311A90
4311BT25003000-375 inch 3 3.5 0.250 0.413 -65 275 P4311A90
4615BT31202500-500 inch 2.5 3.125 0.250 0.413 -65 200 P4615A90
4615BT31202750-500 inch 2.75 3.375 0.250 0.413 -65 200 P4615A90
4615BT31203125-500 inch 3.125 3.75 0.250 0.413 -65 200 P4615A90
5065BT12500375-187 inch 0.375 0.625 0.125 0.206 -70 200 P5065A88
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