Gate Valve Flange Type DN40 ~ DN 1200 Durable Resilient Seated Check Valve Characteristics: 1,the bottom of the pipe diameter the same light hearth .....
DIN 30677-2 Standard Full Bore resilient seated valve Epoxy Coating A. Stem sealing Three independent stem seals offering triple safety: A NBR wiper ....
Gate Valve Flange Type DN40 ~ DN 1200 Durable Resilient Seated Check Valve Characteristics: 1,the bottom of the pipe diameter the same light hearth .....
DIN 30677-2 Standard Full Bore resilient seated valve Epoxy Coating A. Stem sealing Three independent stem seals offering triple safety: A NBR wiper ....