john crane type 21 Elastomer Bellow Seal

Model: CR21,21T
Place of Origin: Zhejiang,China (Mainland)
Standard or Nonstandard: Standard
Style: Mechanical Seal
Material: Others
stationary ring: V1,Q2,Q1,U2
rotary ring: B,A,Q1,Q2
secondary seal: P,E,V
spring and metal parts: F,G
application: clean water ,sewage water,oil and other moderately corrosive fluids

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Product Description

Payment & Shipping Terms Supply Capacity
Trade Term:FOBProduction Capacity:500/month
Payment Terms:L/C, T/T, WUPacking:carton
Min. Order:10 Set/SetsDelivery Date:15-20days
Means of Transport:Ocean, express, Air

Single-Spring Seal

Operational conditions:

Materials

temperature

-20℃ to +120℃

Stationary ring

V1,Q1,Q2,U2

Pressure

<<1.0Mpa

Rotary ring

B,A,Q1,Q2

Speed

<<15m/s

Secondary seal

P,E,V,

Standard

DIN24960

Spring and metal parts

F,G,

Seat type

Standard:CRT11

Alternation

CRCT20,CRT21

Application: clean water, sewage water, Oil   and other moderately corrosive fluids

                                             

SIZE

d

D3

D31

D1

L1

L2

SIZE

d

D3

D31

D1

L1

L2

0.500

12.7

24.0

22.80

25.40

20.62

7.95

1.750

44.4

66.0

61.00

63.50

34.93

12.70

0.625

15.8

26.7

26.70

31.75

22.23

10.31

1.875

47.6

66.0

64.00

66.68

38.10

12.70

0.750

19.1

31.2

30.40

34.96

22.23

10.31

2.000

50.8

73.0

66.00

69.85

38.10

12.70

0.875

22.2

33.5

33.40

38.10

23.80

10.31

2.125

53.9

73.5

71.50

76.20

42.85

14.27

1.000

25.4

43.2

39.30

41.28

25.40

11.10

2.250

57.1

79.6

79.60

79.38

42.85

14.27

1.125

28.6

46.5

42.00

44.25

26.97

11.10

2.375

60.3

82.0

79.60

82.55

46.05

14.27

1.250

31.7

49.5

45.80

47.63

26.97

11.10

2.500

63.5

85.0

81.50

85.73

46.05

14.27

1.375

34.9

52.7

49.30

50.80

28.58

11.10

2.625

66.6

88.5

84.60

85.73

49.20

15.88

1.500

38.1

56.0

52.80

53.98

28.58

11.10

2.750

69.8

92.7

90.00

88.90

49.20

15.88

1.625

41.2

62.2

55.50

60.33

34.93

12.70

3.000

76.2

102.0

96.80

98.40

52.37

15.88

 

packing & shipping&delivery time 
1, big size and high weigh for one pc ,use wooden box. usually use carbon box.
packing material :foam,PE ,sponge,PP, Blister Card ,corrugated diaphragms,shrink film and so on.
2,for shipping , for mass order ship by sea, small order ship by Express. we have a very big and specialite courier who can choose the mostsuitable Express . you can choose the generalas following :TNT/FedEX/DHL/DNJ/UPSfor other special Express we will according to actual to meet your requirement.
3,the production cycle is about 20days.but still need according to the actual conditions.

About us
We Cary mechanical seal factory specialized in this field more than 20years. With advanced equipments and excellent technologies. Our main products: industrial pump mechanical seals, mixer and agitator seals, cartridge seals, metal bellow seals. Custom CAR\SIC\CER\TC materials seats and bushings or other products make according to your drawings. Our products are exported to Europe/the middle East/Southeast Asia/south Africa and so on.


Parts of Main product's pictures.
carbon ring and other special shape goods


Common models

Stationary seatG6/G606,G4,G13,G9/G92,G16,G46,G60,BO,,BC,BD,2100,20
Single spring mechanical sealM32,M2N,BT-FN,950,1527,US2,Type1,20,560A,BIA,FBDMG912
Multi spring mechanical seal8-1,8B1,58U,59U,U1002,9,491,591,891
Wave spring mechanical seal67,68,82,92N,M7N,

Elastomer bellow mechanical seal

6,60/65,140,150,151,2100,502,MG1,70,WB2,10R/10T
Metal bellow mechanical sealMFL85N,MFLWT80,JC680,609
Cartridge mechanical sealAES CS,DIN SAI,CDSA,CURC,CONII,JC4610,CARTEX-SN,

Flypt pump seal

Flypt 2082,2210,2660,2670,3085,3102,3152,3300,3356,4630,4680
Custom six kinds materials products

Carbon /silicon carbide/tungstencarbide/ceramic/sus304&316/ptfe


carbon ring and other special shape goods

 


Category: Single Spring Seal

Related Category: Elastomer Bellow Seal 


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