YJ 21 Mechanical Seal（Replace AESSEAL P04 and JOHN CRANE TYPE 21(US)）

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YJ 21 Mechanical Seal（Replace AESSEAL P04 and JOHN CRANE TYPE 21(US)）

Our Mechanical seal model YJ21 can Replace AESSEAL P04 and JOHN CRANE TYPE 21(US).

The normal material combination include:

Resin Carbon/Ceramic/Nbr/SS304/,Sic/Sic/VITON/SS304,TC/TC/ VITON /SS316 and so on.

we also can make changes as customers'requirement or totally totally design a new type of mechanical seal to meet clients'needs.

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Product Description

Operating Limits:

Pressure: ≤1MPa

Speed: ≤15 m/s

Temperature: -30℃～+120℃

Material：

Rotary Ring：Carbon/SiC/TC

Stationary Ring :Ceramic/SiC/TC/SS304

Secondary Ring :NBR/EPDM/VITON

Spring & Other Parts:SS304/SS316

Replaceable Stationary Ring:

YJOS1,YJOS2（Euro）,YJS20（Euro）

Download：

2.YJ21

Technical Parameter:

inches	metric	D3	D31	D7	L3	L4
0.500	12.70	23.79	22.80	25.40	20.62	7.95
0.625	15.88	26.79	26.70	31.75	22.23	10.31
0.750	19.05	30.15	30.40	34.93	22.23	10.31
0.875	22.23	33.32	33.40	38.10	23.80	10.31
1.000	25.40	42.85	39.30	41.28	25.40	11.10
1.125	28.58	46.00	42.00	44.45	26.97	11.10
1.250	31.75	49.20	45.80	47.63	26.97	11.10
1.375	34.93	53.38	49.30	50.80	28.58	11.10
1.500	38.10	55.55	52.80	53.98	28.58	11.10
1.625	41.28	63.50	55.50	60.33	34.93	12.70
1.750	44.45	66.67	61.00	63.50	34.93	12.70
1.875	47.63	69.85	64.00	66.68	38.10	12.70
2.000	50.80	73.00	66.00	69.85	38.10	12.70
2.125	53.98	76.20	71.50	76.20	42.85	14.27
2.250	57.15	79.40	79.60	79.38	42.85	14.27
2.375	60.33	82.55	79.60	82.55	46.05	14.27
2.500	63.50	85.00	81.50	85.73	46.05	14.27
2.625	66.68	88.90	84.69	85.73	49.20	15.88
2.750	69.85	95.25	90.00	88.90	49.20	15.88
2.875	73.03	98.42	92.00	95.25	52.37	15.88
3.000	76.20	101.60	96.80	98.40	52.70	15.88

TYPE 21 Mechanical Seal JOHN CRANE TYPE 21 Mechanical Seal AESSEAL P04 Mechanical Seal Mechanical Seal

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YJ 21 Mechanical Seal（Replace AESSEAL P04 and JOHN CRANE TYPE 21(US)）

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