Mechanical seals - Mechanical seals for Grundfos® pumps

G94 Tungsten carbide + VITON

General features

Single pusher-type seal
Unbalaced
Independent of direction of rotation
Interchangeable with Grundfos type A-R
Aftermarket replacement parts for Grundfos® pumps

Materials
Rotary seal parts
Rotating seal faces: Tungsten carbide (U).
O-ring: VITON (V).
Spring: Stainless steel AISI304 (F).
Stationary seat
Stationary seal faces: Tungsten carbide (U).
O-ring: VITON (V).

Operating range
Pressure: 25 bar
Sliding velocity: 10 m/s
Temperature: -20°C +200°C

Application
Specially suitable for GRUNDFOS® pumps
Chemically and mechanically aggressive liquids
Acid solutions and corrosive substances
Particularly suitable for fluids with abrasive contents
Clean and dirty water up to 120°C
Resistance to greases, oils, paints and solvents

Products

AREM code	Rotary part				Stationary seat				For Grundfos® pumps:
	Ø Inner hole mm	Ø Outer hole mm	*Working height mm**	Ø Shaft		Ø Inner hole mm	Ø Outer hole mm	Working height mm
0207822	12	29	42	12		12,2	23,5	8,5	CR2-4 CRK2-4 SPK2-4
0207823	16	34	54	16		16,5	27,6	14	CR8-16 CRN8-16

*Free lenght

Not for separate sale