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GRM Flow Products
performance under pressure
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R Series

  • API Ring Joint Gaskets

GRM Flow Products is a supplier of high quality ring joint gaskets for high pressure and temperature service conditions. These gaskets are widely used in Refineries, Petrochemical Industries, drilling well head equipment, Pressure Vessels, valves, Christmas Tree valves and Pipe lines. Our ring joint gaskets are strictly manufactured as per API-6A and ASME B16.20 specification.

The oval cross section R Series are available in low carbon steel, 316 stainless steel and rubber coated. R Series ring joint gaskets are used for pressures up to 5,000 PSI.

Hardness Chart

RING GASKET MATERIAL BRINELL ROCKWELL B IDENTIFICATION MARK
Low Carbon Steel 120 68 S
316 SS 160 83 S 316

ASME B16.5/B16.20

RING GROOVE SIZE FLANGE SIZE PRESSURE RATING LOW CARBON STEEL 316 SS
R-16 1" 300/600/900/1,500 RG501016 RG502016
R-18 1"
1 1/4"
2,500
300/600/900/1,500
RG501018
RG501018
RG502018
RG502018
R-20 1 1/2" 300/600/900/1,500 RG501020 RG502020
R-23 1 1/2"
2"
2,500
300/600
RG501023
RG501023
RG502023
RG502023
R-24 2" 900/1,500 RG501024 RG502024
R-26 2" 2,500 RG501026 RG502026
R-31 3" 300/600/900 RG501031 RG502031
R-32 3" 2,500 RG501032 RG502032
R-35 3" 1,500 RG501035 RG502035
Larger sizes available upon request.

API 6A

RING GROOVE SIZE FLANGE SIZE PRESSURE RATING LOW CARBON STEEL 316 SS
R-23 2 1/16" 2,000 RG501023 RG502023
R-24 2 1/16" 3,000/5,000 RG501024 RG502024
R-26 2 9/16" 2,000 RG501026 RG502026
R-27 2 9/16" 3,000/5,000 RG501027 RG502027
R-31 3 1/8" 2,000/3,000 RG501031 RG502031
R-35 3 1/8" 5,000 RG501035 RG502035
R-37 4 1/16" 2,000/3,000 RG501037 RG502037
R-39 4 1/16" 5,000 RG501039 RG502039
R-41 5 1/8" 2,000/3,000 RG501041 RG502041
R-44 5 1/8" 5,000 RG501044 RG502044
R-45 7 1/16" 2,000/3,000 RG501045 RG502045
R-45/46* 7 1/16" 2,000/3,000 RG501456 RG502456
R-46 7 1/16" 5,000 RG501046 RG502046
R-49 9" 2,000/3,000 RG501049 RG502049
R-50 9" 5,000 RG501050 RG502050
R-53 11" 2,000/3,000 RG501053 RG502053
R-54 11" 5,000 RG501054 RG502054
R-57 13 5/8" 2,000/3,000 RG501057 RG502057
R-66 16 3/4" 3,000 RG501066 RG502066
R-73 21 1/4" 2,000 RG501073 RG502073
R-74 20 3/4" 3,000 RG501074 RG502074
*Non API transition gasket.

Downloads:

  • R Series API Ring Joint Gasket Tech Sheet

Contact Us

Products in the same category:

BX Series

RX Series

Rubber Coated Series

Products

  • API Gate Valve Parts
  • Choke Assembly & Parts
  • Valves
  • Valve Lubrication
  • API Ring Joint Gaskets
  • Glycerin Filled Pressure Gauges
  • Additional Products

Contact

GRM Flow Products
#310, 8810 - 15th Street
Edmonton, Alberta, Canada
T6P 0B9

Phone: (780) 416-4823
Email: sales@grmflow.com

POR = Price On Request

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© 2020, GRM Flow Products
  • Home
  • Company
    • Company Profile
    • Who We Are
    • Environmental Policy
    • Employment Opportunities
    • Back
  • Products
    • API Gate Valve Parts
      • Model F/FC Manual
      • Model M
      • Model DM
      • Back
    • Choke Assembly & Parts
      • Flanged G-H2
      • Threaded G-N60
      • Union G-1502
      • Back
    • Valves
      • Ball Valves
      • Needle/Gauge Valves
      • Bronze Globe Valves
      • Back
    • Valve Lubrication
      • Lubricants & Sealants
      • Valve Lubrication Fittings
      • SNIPER™ Lubrication Equipment
      • Back
    • API Ring Joint Gaskets
      • R Series
      • RX Series
      • Rubber Coated Series
      • BX Series
      • Back
    • Additional Products
      • Glycerin Filled Pressure Gauges
      • Casing Vent Assemblies
      • Snap Off Lockouts
      • Seat Tools
      • Ammo Box
      • Back
    • Back
  • Resources
    • Product Brochures
    • Desco Safety Data Sheets
    • Back
  • News
  • Contact