双环股份是一家石油天然气装备集成商。它拥有2000多家全球战略合作伙伴，是NOV、黑马、阿美
特克、PLT等知名品牌在中国的特约经销商。
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Ball type (sponge rubber ball)
Code Type
G plastic granulate ball
L long life ball
P polishing ball (standard ball)
R ring-coated corundum ball
S sponge ball
T totally coated corundum ball
Hardness degree (elasticity)
Code hardness degree special hint
1 soft
2 soft/normal special balls
3 normal
4 normal/hard special balls
5 hard
6 extra hard special balls
Rubber recipe (Colour)
Code color
11 green
13 orange
15 brown
16 dark blue
20 blue
22 red
30 light brown
Ball Ø field of tolerance (in mm)
Code tolerance (in mm) special note
0 -0/+1,0 (standard)
1 -0/+0,5 special balls
2 +0,5/+1,0 special balls
TAPROGGE Cleaning Balls for all Types of Cooling Water with Temperatures of up to 80°C
Standard cleaning ball with addition of polishing agent
Application Frequency Special Features
P150
PL150
with tubes of stainless steel, titanium, brass, copper (especially with cooling surfaces which tend to develop rough surfaces
with stainless steel and titanium tubes: 12 balls/hour and tube