FLANGE-PAK: a red rubber full face gasket and hex bolts beside the carton

Photos of a FLANGE-PAK and of full face and ring gaskets. The item number sets the gasket, thickness, size and hardware.

Item # FGP08-06Z Questions and answers (6)

FLANGE-PAK Gasket and Bolt Packs

A red rubber full face or ring gasket with the hex bolts and nuts for a flanged joint, in one pack, 2 to 48 in.

Priced by request

Add it to your quote list or call 800.999.2550.

Bolt count and size for the 1/8 in. packs, from the spec sheet
Zinc plated, plain or stainless 304 hardware
See all specifications

Gasket: Full face

Thickness: 1/8 in. thick

Buy as: FLANGE-PAK

Size: 6 in.

Made: Ask your regional team

Hardware: Zinc plated

Zinc plated hex bolts and nuts, the hardware on the FLANGE-PAK spec sheet.

Your distributor

SIGMA sells through waterworks distributors. Order with item # FGP08-06Z.

Quote from SIGMA

Job location

Sends your quote list to the right regional team.

Quantity

Download the FLANGE-PAK spec sheet

Need help on the job?

Call 800.999.2550 with the flange size, the gasket and the hardware you need.

Flange adapters Documents

Everything about this pack: 6 in.

Details, specs, every size and the questions buyers ask. Open what you need.

Product detailsWhat it is, highlights and documents

About FLANGE-PAK

A FLANGE-PAK is a red rubber gasket, full face or ring, with the hex bolts and nuts for a flanged joint, in one pack. The price list carries 2 to 48 in., with 1/8 or 1/16 in. gaskets and zinc plated, plain or stainless 304 hardware, or the gasket alone.

Standards and other materials are under Specifications.

Highlights

Full face or ring gasket, with hex bolts and nuts
2 to 48 in. on the price list

Documents

FLANGE-PAK spec sheetPDF · October 2026

SpecificationsFLANGE-PAK, Full face gasket, 6 in.

FLANGE-PAK, Full face gasket, 6 in.

Item number	FGP08-06Z
Item	FLANGE-PAK: Full face gasket, 1/8 in. thick
Size	6 in.
Made	Ask your regional team
Hardware	Zinc plated
Pressure rating	Not listed
Bolts per pack (spec sheet)	8 hex bolts and nuts, 3/4 x 3-1/2 in.
Weight, zinc plated pack with gasket, bolts and nuts (spec sheet)	5.2 lb
Pack quantity
Spec sheet

What is in it

FLANGE-PAK	A flange gasket with hex bolts and nuts
Gasket only	The gasket, no bolts or nuts

Materials and standards

Gasket	1/8 in. thick, ring or full face, red synthetic rubber, per ANSI/AWWA C111/A21.11, per the spec sheet. The price list also carries 1/16 in.
Bolts and nuts	Per ANSI/AWWA C110/A21.10 and C111/A21.11. Hex bolts per ASME/ANSI B18.2.1, ASTM A307 Grade A, zinc plated; hex nuts per ASME/ANSI B18.2.2, ASTM A563 Grade A or B, zinc plated; threads per ASME/ANSI B1.1, per the spec sheet
Other hardware	Plain and stainless 304 hardware are on the price list. Other bolt materials on request, per the spec sheet
Other gaskets	EPDM, nitrile, neoprene and FKM on request, per the spec sheet

Sizes

On the price list	2 to 48 in., including 2-1/2 and 5 in.
On the spec sheet	Bolts and weights for the 1/8 in. packs, 2 to 64 in., not including 2-1/2 and 5 in. Above 48 in.: ask your regional team

From the Extended Products price catalog (rev. 7/29/26) and the FLANGE-PAK spec sheet (October 2026).

Every size and item number18 sizes · item numbers

The sizes that come with the choices picked above. Pick a size to load it.

FLANGE-PAK and flange gaskets: item numbers by size
Size	Item #	Weight (lb)
	FGP08-02Z	1.25 lb
	FGP08-025Z
	FGP08-03Z	1.5 lb
	FGP08-04Z	3 lb
	FGP08-05Z
	FGP08-06Z	5.2 lb
	FGP08-08Z	5.2 lb
	FGP08-10Z	12 lb
	FGP08-12Z	12 lb
	FGP08-14Z	18 lb
	FGP08-16Z	24 lb
	FGP08-18Z	37 lb
	FGP08-20Z	47 lb
	FGP08-24Z	53 lb
	FGP08-30Z	82 lb
	FGP08-36Z	200 lb
	FGP08-42Z	225 lb
	FGP08-48Z	278 lb

Item numbers from the Extended Products price catalog (rev. 7/29/26), which is not posted online. FLANGE-PAK and flange gaskets are priced by request. Weights are for the zinc plated 1/8 in. packs, from the spec sheet.

Questions and answers6 questions buyers ask about FLANGE-PAK

How are these items priced?

FLANGE-PAK and flange gaskets are priced by request. Add items to your quote list, ask your regional team, or call 800.999.2550 with the item numbers. SIGMA sells through waterworks distributors, and your distributor sets your price.

What is a FLANGE-PAK?

A red rubber full face or ring gasket with the hex bolts and nuts for a flanged joint, in one pack, per the FLANGE-PAK spec sheet. The price list carries 2 to 48 in.

Full face or ring?

Match the flanges and the spec. The price list carries both, 2 to 48 in.

Which hardware?

The FLANGE-PAK spec sheet lists zinc plated hex bolts and nuts. The price list also carries plain and stainless 304 hardware. For the gasket alone, pick Gasket only under Buy as.

1/8 or 1/16 in. gasket?

The spec sheet lists 1/8 in. gaskets; the price list carries both thicknesses. Use what the spec calls for.

How many bolts come in a pack?

The spec sheet lists the count and size for the 1/8 in. packs by flange size, for example 8 bolts, 3/4 x 3-1/2 in., at 6 in. Pick a 1/8 in. pack above to see it. The sheet does not cover 1/16 in. packs or the 2-1/2 and 5 in. sizes: ask your regional team.