Menu
- Nipples / Adapters external threads(273)
- Couplings / half coupling - internal threads(341)
- Cast iron reductions / extensions(43)
- Reduction(258)
- Compression Fittings(14)
- Elbows(401)
- Cross(22)
- Tees(189)
- Plugs(155)
- Caps(67)
- Pipe nipple(206)
- Hose-end fittings(91)
- Unions(178)
- Sockolet / Weldolet / Threadolet / Boss / Elbolet / Couplet(145)
- Measuring connection(3)
- Pipes(58)
- Flanges(151)
- Valves(180)
- Gaskets / Sealant tapes(393)
- > gasket TEMAFLEX TEMAC(1)
- > gasket TEMASIL HT TEMAC(2)
- > gasket TEMASIL Metallic(1)
- > gasket TEMACARB TEMAC(1)
- > gasket TEMAFAST SPECIAL(1)
- > gasket TEMAPLUS TEMAC(3)
- > gasket AF-300(22)
- > gasket AF-1000(20)
- > gasket AF-OIL(9)
- > gasket AF Chemacid(5)
- > gasket C-4300(2)
- > gasket C-4400(20)
- > gasket C-4430(8)
- > gasket C-4500(2)
- > gasket C-4509(1)
- > gasket PARO-GAMBIT(6)
- > gasket AF-200G(7)
- > gasket AF-200U(1)
- > gasket AF-400(1)
- > gasket TEMAGRAPH(18)
- > gasket TEMAFAST ECONOMY(29)
- > gasket TEMASIL NG(27)
- > gasket GYLON(8)
- > gasket GRAFIT(19)
- > PTFE teflon(36)
- > gasket EPTFE(8)
- > gasket Silikon red(4)
- > gasket SBR NBR(42)
- > gasket EPDM(17)
- > Spiral Wound Metal Gasket(51)
- > Orings(3)
- > GLAND PACKINGS / JOINT SEALANT TAPES(10)
- > Sealing plates(0)
- > Flange seals SAE (SFL/SFS)(6)
- Thread washers and seals(133)
- Slide bushing(191)
- Socket Weld Fittings(179)
- Air Springs(41)
- Pendant control station(239)
- Limit switches(42)
- Electronics(17)
- Thermostat(4)
- Potentiometer(14)
- BRAHMA(7)
- Rectifiers(16)
- Building supplies(3)
- FACOM(11)
- Screws(26)
- Packaging(3)
- Other products(49)
- Heads(16)
- Flange stubs(9)
- Liquefaction of goods(7)
New products
Products on sale
Login
Product of the Day
€0.29
€0.24
€88.14
€71.66
€3.90
€3.17
€1.29
€1.05
Spiral Wound Gasket 3/4" Class 150 ASME B16.20 CS / 316L / Graphite / 316L
Regular price:
Regular price:
product unavailable
add to wish list
Description
Spiral Wound Gasket 3/4" Class 150 ASME B16.20 CS / 316L / Graphite / 316L
- Size: 3/4" (DN20)
- Pressure class: Class 150
- Outer ring: Carbon steel ST37.0
- Filler material: Graphite
- Winding material: Stainless Steel 316L
- Inner ring: Stainless Steel 316L
- Construction: Spiral wound gasket with inner and outer centering rings
- Manufactured according to: ASME B16.20
- Recommended for: Flat face flanges
- Non-combustible
- Blowout resistant
- Applications: Petrochemical plants, refineries, chemical processing plants, power generation, and demanding industrial installations requiring maximum sealing reliability.

Alternative Name
Spiral Wound Gasket 3/4" Class 150 ASME B16.20, Spiral Metal Gasket, Graphite Spiral Wound Gasket, Stainless Steel Flange Gasket, Industrial Spiral Gasket, Metal Graphite Gasket
Information
The 3/4" Class 150 Spiral Wound Gasket is manufactured from 316L stainless steel winding, graphite filler, a stainless steel 316L inner ring, and a carbon steel ST37.0 outer centering ring. It is designed for ASME B16.5 Class 150 flanges and provides reliable sealing in high-pressure and high-temperature industrial applications.
The spiral wound construction offers excellent resistance to thermal cycling, pressure fluctuations, vibration, and blowout, making it ideal for critical flange connections.
Materials
The gasket consists of:
- Carbon steel ST37.0 outer centering ring
- Flexible graphite filler
- 316L stainless steel winding
- 316L stainless steel inner ring
Advantages
- Manufactured according to ASME B16.20
- Suitable for ASME B16.5 Class 150 flanges
- Non-combustible construction
- Blowout resistant
- Excellent sealing performance
- Suitable for high-pressure and high-temperature service
- Long service life
- Excellent resistance to vibration and thermal cycling
Applications
Recommended for:
- Petrochemical plants
- Refineries
- Chemical processing plants
- Power generation facilities
- High-pressure piping systems
- High-temperature installations
- Critical industrial flange connections
Available Standards
We offer spiral wound gaskets manufactured according to:
- EN 1514-2
- ASME B16.20 for ASME B16.5 flanges
- ASME B16.20 for ASME B16.47 Series A flanges
- ASME B16.20 for ASME B16.47 Series B flanges
We also offer this product in other sizes. If you have any questions, please contact us. Call +48 63 261 42 02 or email biuro@polberis.pl.
Learn more about our spiral wound gaskets here >>
Technical data
| Size | DN20 ~ 3/4'' |
Related products
Stainless steel nipple 3/4'' x 1/2'' 316
- złączka gwintowana nierdzewna
Stainless nipple 3/4'' 316
- nipple 3/4'' stainless
Stainless ball valve 3/4" 316 40bar
- zawór nierdzewny
Coupling 3/4'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/4'' x 3/8'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3/4'' x 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1'' x 3/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/4'' x 3/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 1 1/2'' x 3/4'' stainless steel 316 BSP
- stal nierdzewna gat. 316
Stainless nipple union 3/4" BSP
Coupling 3/4'' BSP stainless steel 316
Nipple stainless elbow 3/4'' 316 male female
Stainless steel nipple 3/4'' x 1/4'' 316
- złączka gwintowana nierdzewna
Stainless steel nipple 3/4'' x 3/8'' 316
- złączka gwintowana nierdzewna
Stainless steel nipple 1'' x 3/4'' 316
- złączka gwintowana nierdzewna
Stainless steel reduction nipple 1 1/4'' x 3/4'' 316
Stainless steel reduction nipple 1 1/2'' x 3/4'' 316
Stainless elbow 3/4'' 316
Reduction 3/4''x1/4'' 316 nut-screw
- stal nierdzewna
Reduction 3/4''x3/8'' 316 nut-screw
- stal nierdzewna
Reduction 3/4''x1/2'' 316 nut-screw
- stal nierdzewna
Plug 3/4'' BSP Stainless Steel 316
Cap 3/4'' stainless steel 316
- material: stainless steel 316
- certificate 3.1 at the request of the customer (free of charge)
Ball valve 3/4" 316 50bar male female
- stal nierdzewna
- ciśnienie: 50 bar
Stainless Steel Reducing Tee 3/4" × 1/2" × 3/4" 316
Coupling 4'' x 3'' stainless steel 316 BSP
- material: stainless steel 316
Weld-on pipe nipple 3/4'' 316L
Sockolet 3/4" x 2'' - 2 1/2'' 316L cl. 3000
Stainless union 3/4'' BSP 304
- uszczelnienie: stożkowe
- stal nierdzewna
Half Coupling 3/4'' NPT 316L Class 3000
- pressure rating: 206 bar
Stainless tee 3/4" 316L
Stainless steel reduction nipple 4'' x 3'' 316
Reduction 3/8''x1/4'' 316 nut-screw
- stal nierdzewna
Ball valve 3/4'' NPT PN100 A105 316
- stainless steel
- certificate 3.1
- origin: European Union
Stainless steel nipple 3/8'' x 1/4'' 316
- złączka gwintowana nierdzewna
Coupling 3/8'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Stainless nipple 3/4'' 316
Reduction 3/4''x1 1/4'' Insert socket weld 316L 3000
Coupling 3/4" socket weld 316L cl.3000
- mufa do spawania
- atest 3.1
- pochodzenie: Unia Europejska
Coupling 3/4" socket weld 316L cl.6000
- coupling for welding
- atest 3.1
- origin: European Union
Elbow 3/4'' socket weld 316L cl.3000 90 degrees
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Reduction 3/4''x1/2'' Insert socket weld 316L
Tee 3/4'' socket weld 316L cl.3000
- welded tee
- stainless steel
- 3.1 certificate
- origin: European Union
Tee 3/4''x1/2'' socket weld 316L cl.3000
Reduction 3/4''x3/8'' Insert socket weld 316L 3000
Reduction 3/8''x1 1/4'' Insert socket weld 316L 3000
Reduction coupling 3/4" - 1'' socket weld 316L cl. 3000
Coupling 3/4'' NPT 316L 413bar
Nipple 3/4'' NPT stainless 316L 206bar
- stainless fitting
- certificate 3.1
Plug 3/4'' BSP 316Ti Stainless Steel
Coupling 3/4'' 316L NPT cl.3000
- certificate 3.1
- orgin: European Union
Cap 3/4'' NPT 316L cl. 3000
- stainless steel
- acc. to ANSI B16.11
- certificate 3.1 at the request of the customer (free of charge)
Plug 3/4'' NPT stainless 316L
Coupling 3/4" BSP Stainless Steel 1.4571 / 316Ti PN50
Boss 3/4'' NPT 316L cl. 3000 B16.11
- przyłącze do spawania
Coupling 1/2'' x 3/4'' NPT 316L cl.3000
- High-Pressure coupling
- Certificate 3.1
Street elbow 3/4'' NPT 316L cl.3000 206bar
- stainless steel elbow
- certificate 3.1
Reducer bush 3/4''x1/4'' NPT 316L Hex
- stainless steel 316L (1.4404 A182)
- orgin: European Union
Reducer bush 3/8''x3/4'' NPT 316L Hex
- stainless steel 316L (1.4404 A182)
- orgin: European Union
Stainless pipe 3/4'' 100cm 304L 26,67x2,87mm
Hose Tail 3/4'' x 20 mm Stainless Steel
Union 3/4'' NPT 316L Class 3000
- Seal: Metal-to-metal tapered seal
- Material grade: 316L stainless steel (1.4404)
- Supplied with a 3.1 material certificate
3/4" Bonded Seal VITON FPM FKM Stainless Steel 316L
Elbow 3/4'' 45° BSP 316 Female × Female
Elbow 3/4'' Male × Female 316 PN50 Stainless Steel
Plug 3/4'' BSP 316L
- High-pressure threaded plug
- Material: Stainless steel (inox)
- Manufactured according to: ANSI B16.11
- 3.1 material certificate available on request (free of charge)
Ball Valve 3/4'' 316 Stainless Steel 1000 WOG PN63
- Stainless Steel Ball Valve
Stainless Steel Tee 3/4'' 316 PN50
Reducing Bushing 3/4'' x 1/4'' 316 PN16 Stainless Steel
- stainless steel
Pipe Nipple 3/4'' 316Ti 80 mm - Stainless Steel
Half Coupling 3/4'' BSP Stainless Steel 316
Elbow 3/4'' Stainless Steel 316 PN50
Ball Valve 3/4" BSP PN64 316 DN20
Three-Way Ball Valve 3/4" Stainless Steel 316 T Port
Union 3/4'' 316Ti PN50 BSP
Gasket Spiral Wound 3/4" 316L GR 150lb
Union 3/4" Butt Weld 316 Stainless Steel
Gasket DN100 PN10 TEMAFAST
- pressure: PN10
- perforated gasket: 220/115/2 mm
- 8 holes x 18 mm diameter
- max. temperature: 210°C
- applications: cold water, hot water, steam, alcohol, salt solutions, weak acids and bases
Gasket DN25 PN10 TEMAFAST
- pressure: PN10
- perforated gasket: 155/34/2 mm
- 4 holes x 14 mm diameter
- max. temperature: 210°C
- applications: cold water, hot water, steam, alcohol, salt solutions, weak acids and bases
Gasket DN250 PN10 TEMAFAST
- pressure: PN10
- perforated gasket: 395/273/2 mm
- 12 holes x 22 mm diameter
- max. temperature: 210°C
- applications: cold water, hot water, steam, alcohol, salt solutions, weak acids and bases
Gasket DN100 PN10 EPDM
Gasket DN1400 PN10 5mm EPDM
Gasket DN150 PN10-16 3mm EPDM
Gasket DN200 PN10-16 3mm EPDM
Gasket DN80 PN10-40 4mm EPDM
Slide bushing SOBF 14x20x20 SANKYO
Polyamide Flanged Bushing 25×20×32 mm
Bushing LBM2620 BM2620 SANKYO
SINTB 20×25×25 Maintenance-Free Bushing
Flanged Bushing 50 × 65 × 30 mm LBMF (BMF)
Slide bushing SOBF 60x75x50 SANKYO
- material: bronze with graphite
Slide bushing SOBF 50x60x60 SANKYO
Neck flange DN50 PN40
Neck flange DN25 PN40 33,7mm P250GH
Neck flange DN32 PN16-40
Blanking flange DN300 PN16 S235JR
Full flange 1 1/4'' 6000PSI
Full flange 3/4'' 6000PSI
Polyamide Flanged Bushing 25×30×32 mm
Washer metal rubber M33
- wymiary: 33,7x42x2mm
Washer metal rubber M27
- podkładka MET-GUM
- uszczelka metalowa z gumką
Gasket DN25 PN40 AF-200G GAMBIT
- Maximum short-term operating temperature: 380°C
- Maximum continuous operating temperature: 320°C
- Maximum operating temperature in steam: 250°C
- Media: steam, water, fuels, oils
Gasket AF-200G GAMBIT DN50 PN10
- Pressure rating: PN10
- Thickness: 3 mm
- Maximum operating temperature: +380°C
- Applications: steam, water, fuels, oils
Gasket DN50 PN40 3 mm AF-200G GAMBIT +380°C
- pressure: PN40
- thickness: 3 mm
- temperature: +380 °C
- application: steam, water, oils, fuels
Coupling 1/2'' x 1 1/2'' NPT cl.3000 A105
- high-pressure coupling
- certificate 3.1 at the request of the customer (free of charge)
- origin: European Union
Gasket DN65 PN10 AF-200G GAMBIT
- pressure: PN10
- thickness: 3 mm
- temperature: +380 °C
- application: steam, water, fuels, oils
Gasket DN65 PN40 AF-200G GAMBIT
- pressure: PN40
- thickness: 3 mm
- temperature: +400 °C
- application: steam, water, fuels, oils
Gasket for LBS Quick-Connect Fitting DN 200
Coupling gasket camlock 1 1/2''
Coupling gasket camlock 1''
Coupling gasket camlock 2 1/2''
THREDOLET 1/2'' NPT A105 cl. 6000
Reduction WELDOLET XS 1/2'' x 3'' - 8'' BW A105
Reduction WELDOLET XS 2'' x 3'' - 4'' BW A105
Elbow 1/2'' socket weld 304L cl.3000 90 degrees
- kolano do spawania
- do wysokiego ciśnienia 206bar
- atest 3.1
Reduction 1'' - 1 1/2'' NPT 304 cl.3000 MT FT adapter
Bushing BK331 Ø180 / Ø140 × 220 mm Bronze
Reduction 2''x1 1/2'' NPT hexagonal nut-screw WZ
- stal A105 (P245GH P265GH P285GH)
- redukcja wysokociśnieniowa
- atest 3.1
Washer metal rubber M5
- podkładka MET-GUM
- uszczelka metalowa z gumką
Bronze Bushing Ø375 / Ø320 × 220 mm Grade B-101 – Bronze Tube
Coupling 3" NPT Class 3000 Stainless Steel 304L (1.4301)
- stainless steel coupling
- for high pressure: 206 bar
- 3.1 certification
- origin: European Union
Bronze Bushing Ø425 / Ø395 × 120 mm Grade B-101 – Bronze Tube
Bronze Bushing Ø595 / Ø550 × 360 mm Grade B-101 – Bronze Tube
Bronze Bushing Ø215 / Ø150 × 250 mm Grade B-101 – Bronze Tube
Steel nipple 1 1/4'' BSPT
Tee 1 1/2'' x 1 1/4'' socket weld A105 cl.3000
- welded pipe tee
- boiler steel
- 3.1 certificate
- origin: European Union
Flanged Bronze Bushing Ø450/365/315 × 180/25 mm Grade B-101
SOCKOLET 1/2'' x 2''-2 1/2'' SW A105 cl.3000 OUTLET
SOCKOLET 1'' x 3''-3 1/2'' SW A105 cl.3000 OUTLET
Slide bushing SOB 12x18x15 SANKYO
- materiał: brąz z grafitem
Reduction 1 1/2''x 1/2'' NPT A150 hexagonal nut-screw
- stal A105 (P245GH P265GH P285GH)
- redukcja wysokociśnieniowa
- atest 3.1
Rope Sheave Ø260 × 40 mm Nylon
Stainless nipple 4'' 316
- nipple 4'' stainless
Pipe nipple 3/4'' NPT 100mm A333
Coupling 3/4'' NPT A350 LF2 cl.3000
- high pressure coupling
- certificate 3.1
- orgin: European Union
Washer metal rubber M8
- podkładka MET-GUM
- uszczelka metalowa z gumką
Washer metal rubber M10
- podkładka MET-GUM
- uszczelka metalowa z gumką
Washer metal rubber M24
- podkładka MET-GUM
- uszczelka metalowa z gumką
Washer metal rubber M26
- podkładka MET-GUM
- uszczelka metalowa z gumką
Washer metal rubber 1''
- podkładka MET-GUM
- uszczelka metalowa z gumką
Copper washer 12x16x1,5mm
Copper washer 18x22x1,5mm
Steel nipple 1/2'' - M18x1,5 connector
- nypel stalowy
Copper washer 11x16x1mm
Copper washer 14x20x1mm
Slide bushing SOBF 50x60x40 SANKYO
Washer metal rubber 3/4''
- podkładka MET-GUM
- uszczelka metalowa z gumką
Stainless pipe 3/4'' 50cm 304L 26,67x2,87mm
Copper washer 8x12x1mm
Stainless pipe 3/4'' 25cm 304L 26,67x2,87mm
Copper washer 16x22x1,5mm
Boss 3/4'' NPT 304L cl. 3000 B16.11
- przyłącze do spawania
Steel reduction nipple 1/4'' - M14x1,5
- steel screw nipple
Gasket DN1200 PN10 5mm EPDM
Washer metal rubber M6
- podkładka MET-GUM
- uszczelka metalowa z gumką
Hose Tail 3/4'' BSP × 26.9 mm Stainless Steel
Washer metal rubber 1 1/2''
- podkładka MET-GUM
- uszczelka metalowa z gumką
Copper washer 12x17x1mm
Nipple 3/8'' BSP A105 cl.3000
Cast iron tee 1/2'' x 3/8''
Cast iron tee 1/2'' x 1''
Cast iron tee 3/4'' x 1/2''
Cast iron tee 1'' x 3/8''
Cast iron tee 1'' x 1/2'' x 1/2''
Cast iron tee 1'' x 1'' x 1/2''
Cast iron tee 1'' x 1 1/4''
Cast iron tee 1 1/4'' x1''
Cast iron tee 1 1/2'' x 1/2''
Cast iron tee 1 1/2'' x 1''
Cast iron tee 1 1/2''
cast iron corner tee 1/2''
Slide bushing SOB 50x65x70 SANKYO
Coupling 1/2'' x 1/4'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 2'' x 1 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Coupling 3'' x 2 1/2'' stainless steel 316 BSP
- material: stainless steel 316
Tee 2 1/2'' socket weld A105 cl.6000
Washer metal rubber 1/2''
Copper washer 9x14x1mm
Copper washer 10x17x1mm
Copper washer 14x18x1mm
Copper washer 16x21x1mm
Copper washer 18x24x1mm
Copper washer 24x34x1mm
Reduction WELDOLET XS 2'' x 8'' - 10'' BW A105
Reduction WELDOLET XS 3/4'' x 14'' - 36'' BW A105
Coupling 1" NPT Class 6000 (413 bar) Stainless Steel 316L (1.4404)
- pressure class: 6,000 lbs (i.e., 413 bar)
- 3.1 certification
- origin: European Union
Angle union 1/2'' 90 degrees 316
Angle union 3/4'' 90 degrees 316
Angle union 1 1/4'' 90 degrees 316
Angle union 1 1/2'' 90 degrees 316
Angle union 2'' 90 degrees 316
Reduction coupling 1/2'' x 3/4'' NPT cl.3000 A105
Coupling 2 1/2'' NPT 304L cl.3000
- high-pressure coupling
- certificate 3.1 (free of charge)
- origin: European Union
Coupling 1/2'' BSP stainless steel 316
Hamburg Elbow DN25 P235TR for Welding
BOSS 1'' A105 cl.3000 B16.11 ASME
Gasket AF CHEMACID DN25 PN10 × 3 mm
Reducer bushing 5/8'' - 1/2'' 316L female male thread
Nipple union 1 1/4'' with gasket
Steel reduction nipple 1/4'' - M12x1,5
- nypel stalowy wkrętny
Gasket DN65 PN10 3 mm AF CHEMACID
Gasket DN600 PN6 AF CHEMACID EN 1514-1
Gasket DN80 PN10 2 mm AF CHEMACID
Gasket AF-400 GAMBIT DN80 PN10–40
- Maximum intermittent operating temperature: 400°C
- Maximum continuous operating temperature: 350°C
- Maximum continuous operating temperature in steam: 260°C
- Suitable media: water, steam, oils, fuels, salt solutions
Gasket TEMAFAST Special DN80 PN10–40
- Maximum intermittent operating temperature: 250°C
- Maximum continuous operating temperature: 220°C
- Maximum continuous operating temperature with steam: 180°C
- Applications: universal gasket sheet for a wide range of industrial applications under low and medium operating conditions
Sealing gasket DN80 PN10-40 AF-OIL
- oil-resistant plate, recommended for high pressures and temperatures
- continuous working temperature: 300°C
- steam continuous working temperature: 230°C
Gasket TEMACARB DN80 PN10–40
- Maximum intermittent operating temperature: 450°C
- Maximum continuous operating temperature: 250°C
- Suitable media: superheated steam, oils, liquid fuels, hot water, alkaline media, coolants
Gasket DN80 PN10–40 TEMAFLEX
- Maximum intermittent operating temperature: 380°C
- Maximum continuous operating temperature: 220°C
- Maximum continuous operating temperature in steam: 200°C
- Suitable media: water, gas, oil, alcohol, basic chemicals
Gasket DN80 PN10-40 TEMAPLUS
- instantaneous operating temperature: 450°C
- continuous operating temperature: 250°C
- continuous operating temperature in steam: 200°C
- medium: universal plate for lubricants, alcohols, gases, coolants, most diluted acids and bases, hydrocarbons, and oil systems
Stainless Steel Check Valve 2" 40 Bar 316
- Pressure rating 40 bar
Bronze Bushing 160 × 110 × 130 mm B101 Bearing
-
bronze plain bearing

