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Mechanical Seal John Crane Type 57B

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Min Order	1 Piece
Availability	In Stock
Shipping From	Jiangsu, China
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ZHANGJIAGANG SAISI MECHANICAL SEAL CO., LTD.

Audited Supplier 12 years

Profile Certified by SGS/BV

Jiangsu, China
Bob Cai (Mr.)
Director

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Product Detail
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Model NO.:

SS57B

Structure:

Single End

Pressure:

Medium Pressure Mechanical Seals

Speed:

General Speed Mechanical Seal

Temperature:

Temperature Mechanical Seal

Performance:

Temperature

Standard:

Standard

Type:

HU1

Balance:

Balanced

Trademark:

Saisi Seal

Transport Package:

Wooden Box or Carton Box Upon The Order

Specification:

CE; RoHS

Origin:

China

HS Code:

84842000

Product Description

Structure Description:
Equivalent to Johncrane 57B
Multiple spring design, balanced seal
Operating Limits:
Temperature: -20---180º C
Speed: 15m/s
Pressure: 25bar
Standard Size: 14-100mm
Material:
Seal ring: Car, Sic, Ssic, Ceramic, TC
Secondary seal: NBR, Viton, EPDM etc.
Spring and metal parts: 304, 316, HAST. C

SS58B are hydraulically balanced, multi-spring DIN 24960/EN 12756 seals. They are versatile designs using components common to other o-ring and wedge type seals. They allow easy repair, reduce inventory, and permit a simple conversion to unbalanced or wedge seals.

For use in general and high pressure sealing duties, including chemical processing, refinery and petrochemical plants.
Complies with International Standard ISO 3069, European Standards EN 12756, DIN 24960, and BS
5257: 1975. Also comply with API 610 specifications.

SS57B
Size/Mettic	d1	d	D3	D6	D7	L3	L4	L8	L65
14	14	18	32	21	25	30.5	12.0	18.5	6.0
16	16	20	34	23	27	30.5	12.0	18.5	6.0
18	18	22	36	23	33	31.5	13.5	20.5	6.5
20	20	24	38	29	35	31.5	13.5	20.5	6.5
22	22	26	40	31	37	31.5	13.5	20.5	6.5
24	24	28	42	33	39	34.2	13.3	20.3	6.7
25	25	30	44	34	40	34.5	13.0	20.0	7.0
28	28	33	47	37	43	37.5	12.5	19.5	7.5
30	30	35	49	39	45	38.0	12.0	19.0	8.0
32	32	38	54	42	48	38.0	12.0	19.0	8.0
33	33	38	54	42	48	38.0	12.0	19.0	8.0
35	35	40	56	44	50	38.0	12.0	19.0	8.0
38	38	43	59	49	56	39.5	13.0	20.0	10.0
40	40	45	61	51	58	39.5	13.0	20.0	10.0
43	43	48	64	54	61	39.5	13.0	20.0	10.0
45	45	50	66	56	63	39.5	13.0	20.0	10.0
48	48	53	69	59	66	39.5	13.0	20.0	10.0
50	50	55	71	62	70	44.0	13.5	20.5	11.5
53	53	58	78	65	73	44.0	13.5	20.5	11.5
55	55	60	80	67	75	44.0	13.5	20.5	11.5
58	58	63	83	70	78	49.0	13.5	20.5	11.5
60	60	65	85	72	80	49.0	13.5	20.5	11.5
63	63	68	88	75	83	49.0	13.5	20.5	11.5
65	65	70	90	77	85	49.0	13.5	20.5	11.5
70	70	75	95	83	92	55.0	14.5	21.5	13.5
75	75	80	104	88	97	55.0	14.5	21.5	13.5
80	80	85	109	95	105	55.0	15.0	22.0	13.0
85	85	90	114	100	110	60.0	15.0	22.0	13.0
90	90	95	119	105	115	60.0	15.0	22.0	13.0
95	95	100	124	110	120	60.0	15.0	22.0	13.0
100	100	105	129	115	125	60.0	15.0	22.0	13.0