Product Description
The function of the check valve is to prevent the media from flowing backwards in the line.Check valve belongs to automatic valve class, opening and closing parts by the force of the flow medium to open or close.Check valve is only used for medium one-way flow on the pipeline, prevent medium backflow, to prevent accidents.
Product Description:
The main features
1, the middle flange structure (BB) : the valve body valve cover is bolted, this structure is easy to valve maint...
Product Description
The opening and closing part of the knife gate valve is the gate plate, the movement direction of the gate plate is perpendicular to the direction of the fluid, the knife gate valve can only be fully open and fully closed, and can not be adjusted and throttled.Knife gate valve is mainly composed of valve body, O-ring, gate, stem, bracket and other components.The knife gate valve adopts the one-piece structure with small volume and light weight.Ful...
Testing:DIN 3352 Parf1 DIN 3230 Part 3 DIN 2401 Rating
Design:DIN 3356
Face to face:DIN 3202
Flanges:DIN 2501 DIN 2547 DIN 2526 FORME BWTO DIN 3239 DIN 3352 Parf1
Marking : EN19 CE-PED
Certificates:EN 10204-3.1B
Product Structure
Main Parts And Materials
PART NAME
MATERIAL
1
Boby
1.0619
1.4581
2
Seat surface
X20Cr13(1) overlay
1.4581 (1) overlay
3
Disc seat surface
X20Crl3(2) overlay
1.4581 (2) overlay
4
Bellow...