Valves gaskets Sealing rings Industrial pumps

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Valves gaskets Sealing rings Industrial pumps

Learn more

In Memory of Aldo

Founder of his beloved “Alpi”. With his smile and his determination, he has taught us how to tackle both our work and everyday challenges. With care and light-heartedness, he showed us how to listen and work together.

We call ourselves lucky that he has been part of our lives and that we had the opportunity to share with him part of this journey.

We will do our best to be how he would have wanted us.

Manuela and the Alpi Guarnizioni Team

Alpi was founded in 1977, initially as Alpi Snc and then, starting from 2013, as Alpi Guarnizioni S.r.l. The focus or its production has always been valves gaskets and sealing rings, pumps and plants equipment.

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Our products top quality

Discover more about the quality of our valves gaskets and sealing rings.

Contact our customer service

Do you need more info? Fill out the contact form and you will be contacted soon!

Alpi was founded in 1977, initially as Alpi Snc and then, starting from 2013, as Alpi Guarnizioni S.r.l. The focus or its production has always been valves gaskets and sealing rings, pumps and plants equipment.

Read more

Our products top quality

Discover more about the quality of our valves gaskets and sealing rings.

Contact our customer service

Do you need more info? Fill out the contact form and you will be contacted soon!

Our products

Learn more about our products and our top quality works

Discover more
Graphite

Die-pressed graphite rings

Pure graphite seals are recommended for sealing valve and pumps.

DIE-PRESSED GRAPHITE RINGS (Fire-Safe) TYPE A01
Manufactured from graphite tape, fire-safe graphite with corrosion inhibitor rings are predensified for ease of installation (density from1,2 to 2). Pure graphite seals are recommended for sealing valve and pumps. Advantage for special application such us:extreme conditions in high pressure and high temperatures with steam, gases, oil and various aggressive media.

METAL-REINFORCED DIE-PRESSED GRAPHITE RINGS
Manufactured from graphite with corrosion inhibitor tape reinforced with stainless steel 304,316,316L, zinc, nickel, iconel for very good resistance to high pressures.

Graphite

Compression packings Die-pressed rings in Braided graphite

Braided packing composed of very high quality fibres die-pressed rings.

Braided packing composed of very high quality fibres die-pressed rings, BRAIDED GRAPHITE with corrosion inhibitor, PTFE ARAMIDIC FIBRE.
Graphite

Graphite conically Shaped rings

Rings for pressure seals valves.

Rings for pressure seals valves.
Two conically shaped rings with external anti-extrusion stainless steel or alloys.
Graphite

Stuffing box packings

The configuration of those rings allows very good resistance to high pressure.

Set of graphite rings for sealing valve with TOP/BOTTOM anti-extrusion, braided high quality graphite rings impregnated with corrosion inhibitor: this configuration allows very good resistance to high pressure.

Different combination of materials for TOP/BOTTOM rings, (density varying for sealing rings, different shape to allow a safe tightness with low compression).

Stuffing box packing can reach very high performances, reducing valve stem friction with a wide range of applications.

Metal gasket

Spiralwound gasket

A flat, spiral seal consisting of a continuos “V” profile metal strip.

A flat, spiral seal consisting of a continuos “V” profile metal strip, uniformly spiral wound, with filler material. Under compression the “V” profile metal strip has an elastic action, which guarantees perfect retention under all fluctuating pressure and temperature conditions.

Materials available for flat spiralwounds:

  • Metal spirals: AISI-304-316-316L-321-347
  • INCONEL® 600/625
  • INCOLOY® 825
  • MONEL®
  • TITANIO – SAF® 2205
  • HASTELLOY C®276;

Filler material: GRAPHITE or PTFE.

Spiralwounds can have oval or circular shape.

Metallic sealsk

Metallic sealsk

Supplied in a wide range of materials, also incorporating outer location ring.

AMMPROFILE GASKETS
Grooved corrugated gaskets with metallic core plain faced or coated with graphite o PTFE both sides. Supplied in a wide range of materials, also incorporating outer location ring. Suitable for pressure and temperature fluctuations.

Tipo C04

Tipo C01
Tipo C03

RING TYPE JOINTS OVAL AND OCTAGONAL SHAPE STYLE R, RX AND BX

For high pressure/temperature applications found in the petroleum industry, valves and pipework assemblies.

GUMETALLIC LAYERS GASKETS

Metal layers (F304,F316L, alloys or duplex) plus GRAPHITE layers (or PTFE or aramidic fibres). For butterfly valves in high temperature applications.

Other works

Other works

Alpi Guarnizioni also do this works.

  • Piston valve rings reinforced graphite
    Stainless steel reinforced graphite gasket with inner stainless steel eyelet. For static sealing application.

  • Level gauges Graphite-PTFE
  • Plugs for cocks available in graphite or PTFE
Other works

Water-jet cutting system

Discover the Water-jet cutting system

PTFE

Sheet gasket

Discover which sheet gaskets we produce.

Graphite, stainless steel reinforced Graphite, perforated stainless Steel, graphite, alloys reinforced Graphite, PTFE, aramidic fibres.
PTFE

PTFE packing set

PTFE rings packing set with different combination of materials.

PTFE rings packing set with different combination of materials.:
PTFE, PTFE CARBOGRAPHITE, PEEK®, NYLON, KEL-F® 
PTFE

PTFE gaskets

Discover the PTFE gaskets

PTFE gaskets, PTFE carbon Filled, Peek®, Nylon, Kel-f®

Our products

Learn more about our products and our top quality works

Discover more
Graphite

Die-pressed graphite rings

Pure graphite seals are recommended for sealing valve and pumps.

DIE-PRESSED GRAPHITE RINGS (Fire-Safe) TYPE A01
Manufactured from graphite tape, fire-safe graphite with corrosion inhibitor rings are predensified for ease of installation (density from1,2 to 2). Pure graphite seals are recommended for sealing valve and pumps. Advantage for special application such us:extreme conditions in high pressure and high temperatures with steam, gases, oil and various aggressive media.

METAL-REINFORCED DIE-PRESSED GRAPHITE RINGS
Manufactured from graphite with corrosion inhibitor tape reinforced with stainless steel 304,316,316L, zinc, nickel, iconel for very good resistance to high pressures.

Graphite

Compression packings Die-pressed rings in Braided graphite

Braided packing composed of very high quality fibres die-pressed rings.

Braided packing composed of very high quality fibres die-pressed rings, BRAIDED GRAPHITE with corrosion inhibitor, PTFE ARAMIDIC FIBRE.
Graphite

Graphite conically Shaped rings

Rings for pressure seals valves.

Rings for pressure seals valves.
Two conically shaped rings with external anti-extrusion stainless steel or alloys.
Graphite

Stuffing box packings

The configuration of those rings allows very good resistance to high pressure.

Set of graphite rings for sealing valve with TOP/BOTTOM anti-extrusion, braided high quality graphite rings impregnated with corrosion inhibitor: this configuration allows very good resistance to high pressure.

Different combination of materials for TOP/BOTTOM rings, (density varying for sealing rings, different shape to allow a safe tightness with low compression).

Stuffing box packing can reach very high performances, reducing valve stem friction with a wide range of applications.

Metal gasket

Spiralwound gasket

A flat, spiral seal consisting of a continuos “V” profile metal strip.

A flat, spiral seal consisting of a continuos “V” profile metal strip, uniformly spiral wound, with filler material. Under compression the “V” profile metal strip has an elastic action, which guarantees perfect retention under all fluctuating pressure and temperature conditions.

Materials available for flat spiralwounds:

  • Metal spirals: AISI-304-316-316L-321-347
  • INCONEL® 600/625
  • INCOLOY® 825
  • MONEL®
  • TITANIO – SAF® 2205
  • HASTELLOY C®276;

Filler material: GRAPHITE or PTFE.

Spiralwounds can have oval or circular shape.

Metallic sealsk

Metallic sealsk

Supplied in a wide range of materials, also incorporating outer location ring.

AMMPROFILE GASKETS
Grooved corrugated gaskets with metallic core plain faced or coated with graphite o PTFE both sides. Supplied in a wide range of materials, also incorporating outer location ring. Suitable for pressure and temperature fluctuations.

Tipo C04

Tipo C01
Tipo C03

RING TYPE JOINTS OVAL AND OCTAGONAL SHAPE STYLE R, RX AND BX

For high pressure/temperature applications found in the petroleum industry, valves and pipework assemblies.

GUMETALLIC LAYERS GASKETS

Metal layers (F304,F316L, alloys or duplex) plus GRAPHITE layers (or PTFE or aramidic fibres). For butterfly valves in high temperature applications.

Other works

Other works

Alpi Guarnizioni also do this works.

  • Piston valve rings reinforced graphite
    Stainless steel reinforced graphite gasket with inner stainless steel eyelet. For static sealing application.

  • Level gauges Graphite-PTFE
  • Plugs for cocks available in graphite or PTFE
Other works

Water-jet cutting system

Discover the Water-jet cutting system

PTFE

Sheet gasket

Discover which sheet gaskets we produce.

Graphite, stainless steel reinforced Graphite, perforated stainless Steel, graphite, alloys reinforced Graphite, PTFE, aramidic fibres.
PTFE

PTFE packing set

PTFE rings packing set with different combination of materials.

PTFE rings packing set with different combination of materials.:
PTFE, PTFE CARBOGRAPHITE, PEEK®, NYLON, KEL-F® 
PTFE

PTFE gaskets

Discover the PTFE gaskets

PTFE gaskets, PTFE carbon Filled, Peek®, Nylon, Kel-f®

Do you need more information?