四虎视频精品一区二区,男j进女屁羞羞免费视频,国产一区二区三区综合网,欧美日韩国产精品,免费国产在线精品一区,不卡视频在线观看,夜夜性日日交xxx性hd,精品三级国产一区二区三区四区

  • 1
Welcome all the elite valve sales and special valve cooperation, development win-win! Tel 024-72602416

Products

Home  > Products

Resilient seated butterfly valve
Product introduction

Elastic seat butterfly valve (Dt42X R)

Product standard: GB12238

Equivalent using: C504 AWWA

Nominal pressure: PN0.25-2.5MPa

Nominal diameter: -3000mm DN200

This series of butterfly valve sealing ring is arranged on the valve body in the card on the basis of D41X type rubber, rubber seal ring has the characteristics of bandwidth, high elasticity; butterfly plate seal for hot charging stainless steel seal ring combination, sealing surface smooth, can reduce the friction torque, greatly improving the sealing performance of the valve and the service life.


Outline and installation dimensions
Products online booking
Product name Resilient seated butterfly valve
*Order quantity Corporate name
*Linkman *Contact number
*Phone Email
Address
*Message
*Verification Code Please enter what you see
 
?