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 parts of J41H, J41Y, J41W GB globe valve are cylindrical disc, the sealing surface is flat or conical, and the disc moves in a straight line along the center line of the fluid.GB globe valve is only applicable to fully open and fully closed, generally not to adjust the flow, custom allowed to adjust and throttle.
Product Structure
Main Size And Weight
PN16
DN
L
D
D1
D2
f
B
B
z-Φd
JB/T
79
HG/T
20592
JB/T
79
HG/T
20592
JB/T
79
...
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 Overview
Manual flanged ball valve is mainly used to cut off or put through the medium, can also be used for fluid regulation and control.Compared with other valves, ball valves have the following advantages:
1, the fluid resistance is small, the ball valve is one of the least fluid resistance in all valves, even if it is a reduced diameter ball valve, its fluid resistance is quite small.
2, the switch is fast and convenient, as long as the stem rotates 90°, the ball valve will comple...