Ordinary Discount Carbide Seal Rings - T21/21T Elastomer Bellow Mechanical Seal replace John Crane 21, VULCAN type 11, FLOWSERVE ( Pac-Seal) 110 seal – Xindeng

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Ordinary Discount Carbide Seal Rings - T21/21T Elastomer Bellow Mechanical Seal replace John Crane 21, VULCAN type 11, FLOWSERVE ( Pac-Seal) 110 seal – Xindeng Detail:

Description:
ZL21, 21T Mechanical Seal
Replacement to:
John Crane type 21
FLOWSERVE ( Pac-Seal) 110 seal
Latty seal
Roplan seal
Roten 21A seal
SEALOL 43 CU short
STERLING 212A seal
US SEAL C seal
VULCAN 11 type
Materials:
Stationary Ring: Ceramic (Alumina), Silicon Carbide Reaction Bonded, Silicon Carbide Sintered Pressureless, Ni-binder Tungsten Carbide, Co-binder Tungsten Carbide
Rotary Ring: Resin Impregnated Carbon Graphite (Furan), Antimony Impreg, Carbon Graphite, Silicon Carbide Sintered Pressureless, Silicon Carbide Reaction Bonded, Co-binder Tungsten Carbide, Ni-binder Tungsten Carbide
Secondary Seal: Nitrile (NBR), Ethylene Propylene (EPDM), Fluorocarbon Rubber (Viton)

Applications:
Clean water,
Sewage water
Oil and other moderately corrosive fluids

d (inch)	d (mm)	D3	D31	D1	L1	L2
0.500	12.7	24	22.8	25.4	20.62	7.95
0.625	15.8	26.7	26.7	31.75	22.23	10.31
0.750	19.1	31.2	30.4	34.93	22.23	10.31
0.875	22.2	33.5	33.4	38.1	23.8	10.31
1.000	25.4	43.2	39.3	4128	25.4	11.1
1.125	28.6	46.5	42	44.45	26.97	11.1
1.250	31.7	49.5	45.8	47.63	26.97	11.1
1.375	34.9	52.7	49.3	50.8	28.58	11.1
1.500	38.1	56	52.8	53.98	28.58	11.1
1.625	41.2	62.2	55.5	60.33	34.93	12.7
1.750	44.4	66	61	63.5	34.93	12.7
1.875	47.6	66	64	66.68	38.1	12.7
2.000	50.8	73	66	69.85	38.1	12.7
2.125	53.9	73.5	71.5	76.2	42.85	14.27
2.250	57.1	79.6	79.6	79.38	42.85	14.27
2.375	60.3	82	79.6	82.55	46.05	14.27
2.500	63.5	85	81.5	85.73	46.05	14.27
2.625	66.6	88.5	84.6	85.73	49.2	15.88
2.750	69.8	92.7	90	88.9	49.2	15.88
3.000	76.2	102	96.8	98.4	52.37	15.88

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