| SKF HMS5 RG Radial Lip Seal |
DIN 3760 A / ISO 6194-1 |
NBR 70 |
Ø20–500 mm shaft |
Gearboxes, electric motors, general industrial |
| SKF HDDF5 High-Speed Radial Seal |
DIN 3760 / ISO 6194-1 |
FKM (Viton) |
Ø30–400 mm shaft |
High-speed rotating equipment, fuel systems |
| SKF FRW Oil Seal |
DIN 3760 A |
FKM |
Ø25–400 mm shaft |
Fuel and solvent resistance, chemical plants |
| SKF HMSA10 RG Oil Seal |
DIN 3760 / ISO 6194-1 |
ACM (Polyacrylate) |
Ø30–300 mm shaft |
High-temp engines, ATF transmissions |
| SKF CR 30×52×10 HMS5 Oil Seal |
DIN 3760 A |
NBR / Steel case |
30×52×10 mm (d×D×b) |
Electric motors, small gearboxes, pumps |
| SKF CR 55×80×10 CRW1 Oil Seal |
DIN 3760 A |
NBR / Steel case |
55×80×10 mm (d×D×b) |
Gearbox output shafts, industrial drives |
| SKF CR 100×125×12 HMS5 Oil Seal |
DIN 3760 A |
NBR / Steel case |
100×125×12 mm (d×D×b) |
Large rotating machinery, industrial fans |
| SKF SPEEDI-SLEEVE Gold (Shaft Repair) |
SKF Proprietary Standard |
Carbon steel / Nickel-plate |
15.9–304.8 mm (5/8"–12") |
Worn shaft sealing surface repair |
| DIN 3760 Type A Single-Lip Radial Seal |
DIN 3760 A |
NBR / FKM / PTFE (selectable) |
Ø6–500 mm shaft (full DIN range) |
Cross-reference replacement for European machinery |
| DIN 3760 Type B Double-Lip Radial Seal |
DIN 3760 B |
NBR / FKM |
Ø10–500 mm shaft |
Dusty / contamination-prone environments |
| Freudenberg Simrit BA Shaft Seal |
DIN 3760 A |
NBR |
Ø25–300 mm shaft |
Gearboxes, industrial reducers |
| Freudenberg BASL FKM Shaft Seal |
DIN 3760 B |
FKM (Viton) |
Ø15–300 mm shaft |
High-temperature chemical environments |
| Freudenberg AS ACM Oil Seal |
DIN 3760 A |
ACM (Polyacrylate) |
Ø20–350 mm shaft |
Automotive gearboxes, differentials |
| Freudenberg KASSETTE Cassette Seal |
DIN 3760 / ISO 6194 |
PTFE lip / NBR body |
Ø25–200 mm shaft |
Heavy equipment, off-highway machinery |
| Freudenberg DUO Cassette Seal |
ISO 6194 / EU Standard |
NBR |
Ø30–160 mm shaft |
Agricultural machinery, harvesters |
| Freudenberg PTFE Rotary Seal |
ISO 6194-4 |
Virgin / Carbon-filled PTFE |
Ø20–300 mm shaft |
Chemical plants, acid / alkali service |
| Freudenberg MG 1 Mechanical Seal |
DIN 24960 / ISO 21049 |
SiC / Carbon / FKM |
Ø16–100 mm shaft |
Centrifugal pumps, agitators |
| Trelleborg SVS V-Ring Seal |
ISO 6194 / Trelleborg Standard |
NBR |
Ø6–3000 mm shaft |
Bearing protection, industrial motors, fans |
| Trelleborg HiMod Wiper Seal |
ISO 6195 |
Polyurethane (AU) |
Ø20–300 mm rod |
Hydraulic cylinder rods, construction equipment |
| Trelleborg STEPSEAL 2K Rod Seal |
ISO 6195 / ISO 6194 |
Polyurethane (AU) |
Ø20–400 mm rod |
Hydraulic cylinders, mobile and industrial hydraulics |
| Trelleborg Turcon Variseal M |
Custom / Trelleborg Standard |
PTFE compound / SS316L spring |
Ø5–500 mm |
High-pressure aerospace, subsea, control valves |
| Trelleborg Turcon Glyd Ring T |
ASTM D3294 |
PTFE compound / NBR energiser |
Ø10–500 mm |
Piston and rod sealing in hydraulic cylinders |
| Trelleborg V-Ring V-75A |
ISO 6194 / Trelleborg Standard |
NBR |
75 mm shaft (nominal) |
Heavy-duty rotating equipment, pump drive shafts |
| NOK SC Type Oil Seal |
JIS B 2402 |
NBR |
Ø10–200 mm shaft |
Industrial machinery, Japanese-made equipment |
| NOK TB Type Oil Seal |
JIS B 2402 |
NBR |
Ø15–300 mm shaft |
Automotive, double-lip industrial applications |
| NOK SD Type Oil Seal |
JIS B 2402 |
FKM |
Ø20–250 mm shaft |
Chemical resistance, fuel system sealing |
| NOK TC Type Oil Seal (PTFE Lip) |
JIS B 2402 |
NBR body / PTFE lip |
Ø20–400 mm shaft |
Dusty environments, construction equipment |
| NOK SB Type Oil Seal |
JIS B 2402 |
SBR |
Ø25–500 mm shaft |
General industrial, non-oil media applications |
| Parker O-Ring AS568A — NBR 70 |
AS568A / ISO 3601-1 |
Buna-N (NBR) 70 Shore A |
Sizes -002 to -475 (all dash sizes) |
General hydraulic and pneumatic fittings |
| Parker O-Ring AS568A — FKM 75 |
AS568A / ISO 3601-1 |
FKM (Viton) 75 Shore A |
Sizes -002 to -475 (all dash sizes) |
High-temp fuel systems, chemical service |
| Parker O-Ring AS568A — EPDM 70 |
AS568A / ISO 3601-1 |
EPDM 70 Shore A |
Sizes -002 to -475 (all dash sizes) |
Water, steam, hot water, HVAC systems |
| Parker O-Ring AS568A — Silicone 70 |
AS568A / FDA 21 CFR 177.2600 |
VMQ Silicone 70 Shore A |
Sizes -002 to -475 (all dash sizes) |
Food processing, pharmaceutical, medical |
| Parker PTFE O-Ring |
ARP 1234 / Custom drawing |
Virgin PTFE |
Custom sizes per customer drawing |
Highly corrosive chemical service |
| Parker PTFE-Encapsulated O-Ring |
FDA 21 CFR 177.1550 |
PTFE jacket / Silicone or FKM core |
All AS568A dash sizes |
Food, pharma and aggressive chemical service |
| Parker Parbak Back-Up Ring |
AS568A (back-up series) |
Glass-filled PTFE |
Sizes -902 to -975 (standard back-up sizes) |
High-pressure hydraulics to 700 bar, anti-extrusion |
| Parker Quad-Ring (X-Ring) |
AS568A equivalent dimensions |
NBR 70 / EPDM / FKM |
All AS568A standard sizes |
Slow reciprocating and rotary sealing |
| Parker V-Packing Set (V0750 Series) |
ASTM D2000 |
Neoprene (CR) |
3/4" to 8" shaft / rod diameter |
Valve stems, reciprocating pump rods |
| ISO 3601 Metric O-Ring — NBR 70 |
ISO 3601-1 / DIN ISO 3601 |
NBR 70 Shore A |
ID 1.8–400 mm; CS 1.60–8.40 mm |
Metric hydraulic and pneumatic systems |
| ISO 3601 Metric O-Ring — FKM 75 |
ISO 3601-1 / DIN ISO 3601 |
FKM 75 Shore A |
ID 1.8–400 mm; CS 1.60–8.40 mm |
High-temp metric hydraulics, oil / fuel service |
| Merkel BABSL Rotary Shaft Seal |
DIN 3760 A |
NBR |
Ø10–400 mm shaft |
Industrial pumps, mixers, compressors |
| Merkel RSD PTFE Rotary Shaft Seal |
ISO 6194-4 |
PTFE / Carbon-graphite filled |
Ø20–500 mm shaft |
High-speed centrifugal pumps, turbines |
| Elring PTFE Rotary Shaft Seal |
DIN 3760 / ISO 6194-4 |
Virgin / Carbon-filled PTFE |
Ø15–500 mm shaft |
Aggressive chemical service, mixers |
| Mechanical Seal — API 682 Plan 11 |
API 682 (4th Ed.) / ISO 21049 |
SiC/SiC faces / FKM elastomers |
Ø25–100 mm shaft; to 40 bar / 220 °C |
API process centrifugal pumps |
| Mechanical Seal — API 682 Plan 53B |
API 682 (4th Ed.) / ISO 21049 |
SiC/Carbon faces / NBR secondary |
Ø25–100 mm shaft; pressurised dual seal |
Hydrocarbon and hazardous-fluid pumps |
| Flowserve ROTEN Type 1 Mechanical Seal |
DIN 24960 / ISO 21049 |
Carbon / Ceramic / NBR |
Ø16–80 mm shaft; to 16 bar / 200 °C |
Water pumps, HVAC, general industrial |
| John Crane Type 21 Mechanical Seal |
DIN 24960 / ISO 21049 |
Carbon / SiC / Buna-N |
Ø1/2"–5" shaft; to 250 psi / 400 °F |
Petrochemical process pumps, cooling towers |
| Burgmann MG12 Mechanical Seal |
DIN 24960 L1 |
SiC / SiC / FKM |
Ø20–100 mm shaft |
Chemical and process industry centrifugal pumps |
| Garlock 29502 Spiral Wound Gasket |
ASME B16.20 |
SS304 / Flexible graphite filler |
NPS 1/2"–24" (Class 150–2500) |
High-temp / pressure flanged joints, refineries |
| Garlock 98 Style Spiral Wound Gasket |
ASME B16.20 |
316L SS / PTFE filler |
NPS 1/2"–24" (Class 150–2500) |
Corrosive chemical service, acid pipelines |
| Garlock 9900 Spiral Wound Gasket |
ASME B16.20 / ASTM B443 |
Inconel 625 / Flexible graphite filler |
NPS 1"–24" (Class 300–2500) |
Extreme temp / pressure, superheated steam |
| Garlock GYLON 3000 PTFE Sheet Gasket |
ASME B16.21 / FDA 21 CFR 177.1550 |
Biaxially-oriented PTFE |
1/64"–1/4" thick; sheets 60"×60" |
Corrosive media, food and pharma flanges |
| Garlock Ring Joint Gasket — RTJ Oval |
ASME B16.20 / API 6A |
Soft iron / AISI 316 |
R-11 to R-105 (standard ring numbers) |
High-pressure wellhead, pressure vessel flanges |
| Flexitallic CGI Spiral Wound Gasket |
ASME B16.20 / EN 1514-2 |
SS316L / Flexible graphite / CS outer ring |
NPS 1/2"–24" (all pressure classes) |
ANSI raised-face flange piping, refinery service |
| Flexitallic Kammprofile Gasket |
ASME B16.20 / EN 1514-6 |
SS316 core / Graphite facing |
NPS 1/2"–24" (all pressure classes) |
High-temp heat exchangers, flanged piping |
| Klinger C-4400 Compressed Sheet Gasket |
DIN 3754 / ASME B16.21 |
Aramid fibre / NBR binder |
Thickness 0.5–3 mm; sheets 1500×1500 mm |
Steam, water, oil to 550 °C / 140 bar |
| Klinger TG Tanged-Graphite Sheet Gasket |
DIN 3754 / ASME B16.21 |
Flexible graphite / SS316 insert |
Thickness 0.5–2 mm; sheets 1000×1000 mm |
High-pressure steam, boiler flange gaskets |
| Klinger SIL-C Silicone Sheet Gasket |
DIN 3751 |
Silicone / Glass fibre reinforced |
Thickness 1.5–3 mm; sheets 1000×1000 mm |
Low-pressure steam, exhaust manifold gaskets |
| Klinger Soft Iron Ring Joint Gasket |
ASME B16.20 / API 6A |
Soft iron (99.5% Fe) |
R-11 to R-105 ring sizes |
High-pressure wellhead and pipeline flanges |
| Full-Face Gasket ASME B16.21 — NBR Sheet |
ASME B16.21 |
NBR rubber (3 mm) |
NPS 1/2"–24" (Class 125/150) |
Cast iron flanges, water and low-pressure service |
| Full-Face Gasket ASME B16.21 — EPDM Sheet |
ASME B16.21 |
EPDM rubber (3 mm) |
NPS 1/2"–24" (Class 125/150) |
Potable water, hot water, steam to 150 °C |
| Raised-Face Spiral Wound Gasket (RF-SWG) |
ASME B16.20 |
SS316L / Flexible graphite / CS outer ring |
NPS 1/2"–24" (Classes 150–2500) |
ANSI raised-face flange connections, refinery piping |
| Ring Joint Gasket RX Type — SS316 |
ASME B16.20 / API 6A |
AISI 316 stainless steel |
RX-20 to RX-105 (API ring numbers) |
Subsea wellheads, high-pressure gas flanges |
| Expanded PTFE (ePTFE) Rope Seal |
FDA 21 CFR 177.1550 / EN 13555 |
Expanded PTFE (ePTFE) |
Width 3–25 mm; rolls 5 m–30 m |
Irregular / damaged flange sealing, valve bonnets |
| Graphite Rope Packing (Braided) |
ASTM F1033 / EN 13555 |
Pure flexible graphite, die-formed braided |
3×3 mm to 25×25 mm cross-section |
Stuffing boxes, valve packing, pump glands |
| PTFE Gland Packing (Square Braid) |
ASTM F1034 |
PTFE fibre / graphite-impregnated |
3×3 mm to 20×20 mm cross-section |
Chemical pump stuffing boxes, gate valve packing |
| Aramid Fibre Gland Packing (PTFE-Impregnated) |
ASTM F1331 |
Aramid fibre / PTFE impregnation |
5×5 mm to 25×25 mm cross-section |
High-abrasion service, slurry pump stuffing boxes |
| Carbon Fibre Gland Packing (Braided) |
ASTM F1315 |
Carbon fibre / PTFE binder |
4×4 mm to 20×20 mm cross-section |
High-pressure / high-temp valve stems, steam service |
| SKF V-Ring VR1 Series — FKM |
ISO 6194 / SKF Standard |
FKM (Viton) |
Ø12–400 mm shaft |
High-temp / chemical-exposure bearing protection |
| SKF V-Ring VR1 Series — NBR |
ISO 6194 / SKF Standard |
NBR |
Ø12–400 mm shaft |
Standard bearing protection, general industrial |
| Spring-Energised PTFE Lip Seal |
ISO 6194-4 / Custom |
PTFE / SS316L Canted-coil spring |
Ø6–300 mm shaft |
Zero-leakage, cryogenic and high-vacuum service |
| Face Seal O-Ring (Boss Seal) — SAE J1926 |
SAE J1926 / ISO 11926 |
NBR 70 / FKM 75 |
SAE sizes 2 to 32 (all boss sizes) |
Hydraulic port fittings, mobile machinery |
| Radial Piston Seal — Polyurethane U-Cup |
ISO 6195 / ISO 7425-1 |
Polyurethane (AU) 90 Shore A |
Bore Ø25–400 mm |
Hydraulic cylinder pistons, heavy-duty cylinders |
| Wiper / Scraper Seal — Polyurethane |
ISO 6195 Type WI / WO |
Polyurethane (AU) |
Rod Ø20–300 mm |
Excludes contamination from hydraulic cylinder rods |
