供EN549认证，EN682认证，DVGW VP 406认证，EN877认证。
材料测试
DIN EN 682, Type G or H
材料测试
DIN EN 682, Type G category L
材料测试
DIN EN 549, seals excl. ozone resistance
tests of material and of seals are incl.
add. ozone test on seals and test sheets
Annex B-tests/Identification references
材料测试
DIN EN 682 and EN 549 incl. ozone test
Annex B-tests/Identification references