Pipe ram rubber specification

 

BOP Model Variable Ram Rubber (in)
Type Bore mm(in) Working pressure MPa(psi) Temperature grade (°C) 2 3/8”-3 1/2”

2 7/8”-

5”

3 1/2”-5

4 1/2”-5 1/2

4 1/2”-7

5”-7

S 179(7  1/16) 35(5000) -18°C -- 121°C          
70(10000)          
279(11) 35(5000)        
70(10000)        
105(15000)          
346(13 5/8) 35(5000)  
70(10000)    
105(15000)    
540(21  1/4)  14(2000)          
21(3000)          
35(5000)          
U 279(11) 35(5000)      
70(10000)      
105(15000)            
346(13 5/8) 35(5000)  
70(10000)  
105(15000)        

 

Physics performance of ram rubber

 

Iitem Inspection item Technical specification  ≤35MPa Technical specification   ≥70MPa
1 toughness A 75±5 85±5
2 300% tensile toughness Mpa ≥10 ≥10
3 tensile toughness Mpa ≥19.6 ≥19.6
4 elongation rate %≤250≤200
5 permanent distortion % ≥25 ≥20
6 aging rate120℃×24h ≥0.6 ≥0.6
7 brittleness temperature℃≤-18≤-18
8 brittleness temperature KN/m ≥40 ≥40
9 brittleness temperature Mpa ≥4 ≥4

 

High performance rubber physics specification(HNBR material, Cameron refer to Cameron type material specification)

 

Iitem Inspection item Technical specification
1 toughness A 90±5
3 tensile strength Mpa≥18
4 elongation rate %≥100
5 aging rate90℃×24h≥0.75
6 permanent compressing rate %≤20
A100℃×70h

    

Pipe ram rubber specification

 

BOP Model Variable Ram Rubber (in)
Type Bore mm(in) Working pressure MPa(psi) Temperature grade (°C) 2 3/8”-3 1/2”

2 7/8”-

5”

3 1/2”-5

4 1/2”-5 1/2

4 1/2”-7

5”-7

S 179(7  1/16) 35(5000) -18°C -- 121°C          
70(10000)          
279(11) 35(5000)        
70(10000)        
105(15000)          
346(13 5/8) 35(5000)  
70(10000)    
105(15000)    
540(21  1/4)  14(2000)          
21(3000)          
35(5000)          
U 279(11) 35(5000)      
70(10000)      
105(15000)            
346(13 5/8) 35(5000)  
70(10000)  
105(15000)        

 

Physics performance of ram rubber

 

Iitem Inspection item Technical specification  ≤35MPa Technical specification   ≥70MPa
1 toughness A 75±5 85±5
2 300% tensile toughness Mpa ≥10 ≥10
3 tensile toughness Mpa ≥19.6 ≥19.6
4 elongation rate %≤250≤200
5 permanent distortion % ≥25 ≥20
6 aging rate120℃×24h ≥0.6 ≥0.6
7 brittleness temperature℃≤-18≤-18
8 brittleness temperature KN/m ≥40 ≥40
9 brittleness temperature Mpa ≥4 ≥4

 

High performance rubber physics specification(HNBR material, Cameron refer to Cameron type material specification)

 

Iitem Inspection item Technical specification
1 toughness A 90±5
3 tensile strength Mpa≥18
4 elongation rate %≥100
5 aging rate90℃×24h≥0.75
6 permanent compressing rate %≤20
A100℃×70h

    

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