Mechanical seals - FH - FHC Mechanical seals

FHC ALLUMINIUM OXIDE / GRAPHITE + VITON

General features

Single pusher-type seal
Unbalanced
Conical spring
Dependent on direction of rotation
The FH is a seal for demanding applications where operating conditions in the pump require machined metal parts for the mechanical seal.
The seals are available in a full range of diameters from 10 to 100 mm and in the standard diameters specifically for chemical applications.

Materials
Rotary seal parts
Rotating seal faces: Aluminium oxide (V).
O-ring: VITON® (V).
Spring: Stainless steel AISI316 (G).
Stationary seat
Stationary seal faces: Carbon graphite resin impregnated (B).
O-ring: VITON® (V).

Operating range
Pressure: 12 bar
Sliding velocity: 15 m/s
Temperature: -20°C +200°C

Applications
Chemically and mechanically non aggressive liquids
Clean water up to 120°C
Resistance to greases, oils, paints and solvents

Products

Rotary part					Stationary seat
AREM code	Ø Inner hole mm	Ø Outer hole mm	Working height mm	Ø Shaft		AREM code	Ø Inner hole mm	Ø Outer hole mm	Working height mm
0203418	18	33	24	18		0200718	19	30,9	8
0203420	20	33	25	20		0200720	21	30,9	8
0203422	22	38	25	22		0200722	23	35,4	8
0203424	24	38	27	24		0200724	25	35,4	8
0203425	25	40	27	25		0200725	27	38,2	8,5
0203428	28	46	29	28		0200730	31	43,3	9
0203430	30	46	30	30		0200730	31	43,3	9
0203432	32	46	30	32		0200732	33	43,3	9
0203435	35	56	39	35		0200735	36	53,5	11,5
0203438	38	63	39	38		0200738	39	60,5	11,5
0203440	40	63	39	40		0200740	41	60,5	11,5