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...
Product Structure
main parts and materials
Material Name
Z15H-(16-64)C
Z15W-(16-64)P
Z15W-(16-64)R
Body
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Disc
WCB
ZG1Cr18Ni9Ti
CF8
ZG1Cr18Ni12Mo2Ti
CF8M
Stem
ICr18Ni9Ti
304
ICr18Ni9Ti
304
1Cr18Ni12Mo2Ti
316
Sealring
304, 316
Packing
Polytetrafluorethylene(PTFE)
Main Outer Size
DN
G
L
E
B
H
W
15
1 1/2″
55
16
31
90
70
20
3/4″
60
18
38
98
...
Product Overview
Q47 type fixed ball valve compared with the floating ball valve, it is working, fluid pressure in front of the sphere of all is passed to the bearing force, will not make a sphere to the seat to move, so the seat will not bear too much pressure, so the fixed ball valve torque is small, the seat of the small deformation, stable sealing performance, long service life, applicable to high pressure, large diameter.Advanced spring pre - seat assembly with ...