DMS Seal Manufacturer compact crane mechanical seals o ring for larger piston clearance

Company Advantages
1. The production of DMS Seal Manufacturer crane mechanical seals highly adopts international production technology.
2. Paying close attention to the design of crane mechanical seals is good for the DMS Seal Manufacturer advertising.
3. Our crane mechanical seals conveys advanced design concepts.
4. This product has a rigid skeleton. Its steel members are connected via welding, rather than nails that are used in the timber/wood industry for example, this provides a much stronger and sustainable connection.
5. This product functions well. It not only produces stable light without flickering but also has a fast response to immediate opening and closing.
6. The ability to stay cool and dry is one of the key properties of this product. It allows moisture to evaporate quickly, rather than allowing it to remain inside it.
7. The product is precise and repeatable. It ensures that its tasks can be finished with the specifications and process every time.
8. This product is known for its system reliability. It can perform the same task endlessly in the same way without loss.
9. DMS Seal Manufacturer has professional team to help to strictly test the quality of crane mechanical seals .
10. Having been trained by professional experts, our service team are more skilled at solving problems about crane mechanical seals for you.
11. Through an arduous efforts of all the staffs, DMS Seal Manufacturer has become a scaled and specialized crane mechanical seals company.

1. Installation Recommendation 

2. Installation Sizes

Rod Diameter                         dN h9			Groove Diameter	Groove Width	Radius	Radial Clearance                S max.			O-Ring Cross-Section
Standard Application	Light Application	Heavy Duty Application	D1 H9	L1+0.2	R1	10MPa	20MPa	40MPa	d2
3-7.9	8-18.9	-	dN+4.9	2.2	0.4	0.3	0.20	0.15	1.78
8-18.9	19-37.9	-	dN+7.3	3.2	0.6	0.4	0.25	0.15	2.62
19-37.9	38-199.9	8-18.9	dN+10.7	4.2	1.0	0.4	0.25	0.20	3.53
38-199.9	200-255.9	19-37.9	dN+15.1	6.3	1.3	0.5	0.30	0.20	5.33
200-255.9	256-649.9	38-199.9	dN+20.5	8.1	1.8	0.6	0.35	0.25	7.00
256-649.9	650-999.9	200-255.9	dN+24.0	8.1	1.8	0.6	0.35	0.25	7.00
650-999.9	≥1000.0	256-649.9	dN+27.3	9.5	2.5	0.7	0.50	0.30	8.40
≥1000.0	-	650-999.9	dN+38.0	13.8	3.0	1.0	0.70	0.60	12.00

3. Application and properties

Applicable to high and low speed reciprocating motion and high pressure system cylinder rod sealing. Good dimensional stability, not affected by temperature, low friction, strong corrosion resistance, could work in the situation with or without lubrication, easy installation.

Meet the standards of GB/T 15242.1-94 and GB/T 15242.3-94.

 

4. Standard materials

Sealing ring: filled PTFE

O-Ring: NBR / FKM

 

5. Working Conditions

Working  Conditions
Diameter Range	Pressure Range	Temperature Range	Speed	Medium
3 - 1600mm	0 - 60MPa	-45℃ +200℃	15 m/s	hydraulic oil, flame retardant liquid, water, gas

6. Installation Dimensions

Rod Dia.	Groove Dia.	Groove Width	Order No.	O-Ring Dimensions
dN h9	D1 H9	L1+0.2
4 5 6	8.9 9.9 10.9	2.2 2.2 2.2	GSJ4*8.9*2.2 GSJ5*9.9*2.2 GSJ6*10.9*2.2	5.28*1.78 6.75*1.78 7.65*1.78
8 8 10	12.9 15.3 14.9	2.2 3.2 2.2	GSJ8*12.9*2.2 GSJ8*15.3*3.2 GSJ10*14.9*2.2	9.25*1.78 10.77*2.62 11.8*1.78
10 12 12	17.3 16.9 19.3	3.2 2.2 3.2	GSJ10*17.3*3.2 GSJ12*16.9*2.2 GSJ12*19.3*3.2	12.37*2.62 13.3*1.78 13.94*2.62
14 14 15	18.9 21.3 19.9	2.2 3.2 2.2	GSJ14*18.9*2.2 GSJ14*21.3*3.2 GSJ15*19.9*2.2	15.6*1.78 15.54*2.62 16.67*1.78
15 16 16	22.3 20.9 23.3	3.2 2.2 3.2	GSJ15*22.3*3.2 GSJ16*20.9*2.2 GSJ16*23.3*3.2	17.12*2.62 17.17*1.78 18.72*2.62
18 18 19	22.9 25.3 29.7	2.2 3.2 4.2	GSJ18*22.9*2.2 GSJ18*25.3*3.2 GSJ19*29.7*4.2	18.77*1.78 20.29*2.62 23.39*3.53
20 20 22	27.3 30.7 29.3	3.2 4.2 3.2	GSJ20*27.3*3.2 GSJ20*30.7*4.2 GSJ22*29.3*3.2	21.89*2.62 23.39*3.53 23.47*2.62

Company Features
1. Dms Seals Technology Co.,limited is a leading supplier of high-performance crane mechanical seals products in China. Dms Seals Technology Co.,limited professionally manufactures dowty seal manufacturer with reasonable price. Dms Seals Technology Co.,limited has occupied an important position in the market of wheel seal manufacturers . With the foundation of high quality, Dms Seals Technology Co.,limited enjoys a high popularity in meter seal manufacturer sector.
2. hydraulic ram seals is a new product with that delivers instant efficiency for users. The quality that is well accepted by our global customers is a big strength for Dms Seals Technology Co.,limited. Applying advanced technology can better ensure the quality of seal manufacturing process . By cause of professional ability to develop oil seal manufacturers china , the quality can be assured completely.
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DMS Seal Manufacturer compact crane mechanical seals o ring for larger piston clearance

crane mechanical seals

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