Ningbo Boman Mechanical & Technology Co.,Ltd
Address: Room 908, 95 International Plaza, No.586 Jiangnan Road, High-Tech Zone, Ningbo
Tel : +86-0574-87227822
Fax: +86-0574-87831922

O Ring/FEP O Ring/X Ring Size Table

Table of O Ring/X Ring Material and Chemical Compatibility

Material requirements Grade Name

 

NBR

 

(N)

 

HNBR

 

(H)

 

EPDM

 

(E)

 

VMQ

 

(S)

 

CR

 

(C)

 

FKM

 

(V)

 

AFLAS

 

(L)

 

FVMQ

 

(F)

 

FFKM

 

(K)

 

PTFE

 

(F)

 

PU

 

(U)

 

NR

 

(R)

 

ACR

 

(A)

 

Resistance to ozone 

 

 ◎○

×

 

Resistance to outdoor

 

 ○

 

 ○

 

 ○

×

 

Heat resistance

120℃

150℃

150℃

220℃

120℃

200℃

175℃

175℃

320℃

280℃

90℃

90℃

150℃

 

Resistance to chemicals

○△

 

 ○

 

 ◎○

○△

×

×

 

Anti-oil

×

○△

○△

 

 ◎○

×

 

Sealing water

 

 ○

 

 ○

 

 ○

 

 ○

 

 ○

 

Cold-resistant

-40℃

-40℃

-50℃

-70℃

-40℃

-20℃

-30℃

-60℃

-20℃

-100℃

-40℃

-60℃

-25℃

 

Wear resistance

 

 ○

 

 ◎○

 

 ○

×

 

 ○

 

 ◎○

 

 ◎○

×

 

 ◎○

 

Resistance to deformation

 

 ◎○

 

 ○

 

 ◎○

 

 ○

 

 ○

×

×

 

 ◎○

 

Acid-proof

 

 ○

 

 ◎○

○△

×

○△

△×

 

Alkali-proof

 

 ○

 

 ◎○

 

 ◎○

×

×

 

Tensile strength

 

 ◎○

 

 ◎○

×

 

 ◎○

 

 ◎○

 

 ◎○

 

 ○

 

 ◎○

△×

 

Resistance to water vapor

×

○△

 

 ◎○

○△

○△

○△

 

 ○

×

×

 

Fire-Resistant

×

×

×

△×

 

 ○

 

 ○

△×

×

△×

 

Storage and stability

5-10Y

5-10Y

5-10Y

ABT20Y

5-10Y

ABT20Y

ABT20Y

ABT20Y

ABT20Y

ABT20Y

ABT20Y

3-5Y

ABT20Y

Icon Description: ◎ particularly good ○ excellent △ ordinary × difference


Frequently Used Color Form

 

11 A=美标AS568  B=英标BS1516  C=中国C92标  V.S.P.G=日标  M=公制尺寸  R=法标R


O型圈/星型圈公差标准表:
Table of O Ring/X Ring Standard Tolerance

ID公差(±) Tolerance   线径C/S公差(±) Tolerance
0-1.790.100-1.790.07
1.80-6.29 0.131.80-2.640.08
6.30-10.590.142.65-3.540.09
10.60-18.990.173.55-5.290.10
19.00-31.490.225.30-6.990.13
31.50-41.190.307.00-8.000.15
41.20-51.490.368.01-10.000.20
51.50-64.990.4410.01-15.000.25
65.00-82.490.5315.01-25.000.35
82.50-121.990.6525.01-100.000.45
122.00-184.99 0.90--
185.00-257.99 1.20--
258.00-324.991.60--
325.00-411.992.10--
412.00-514.992.60--
515.00-649.993.20--
650.00-670.004.00--
670.01-999.005.00--
999.01-1200.006.00--