API 6D/API6a Flange Lift Check Valve
HuiJie Steel Pipe
manufacturing High precision cylinder tubes and shaft,The steel tubing wide
application for
telescopic cylinders,Hydraulic cylinders,pneumatic cylinders and
shafts.The raw materials from seamless and
welded hot rolled tubes by cold drawn or cold rolled process and stress
relieved and annealed, The inner surface
roughness after honed and
skiving roller burnish.
The
honed steel tubes are produced according to the technical standard of
CDS EN10305-1/DIN2391 cold drawn precision steel
tubes
CDW EN10305-2/DIN2393/DIN2394 Cold drawn welded
precision steel tubes
DOM ASTM A513 welded drawn over mandrel steel
tubing
The normal
steel grade:E355 S355J2,CK45/AISI1045,CK35/AISI1035
The max
cylinders tubes,shaft tubes,roller bush can reach OD329mm,length 12000mm
Hydraulic Cylinder Tubes,Hydraulic Cylinder Pipes,Seamless Hydraulic Cylinder Pipes,Seamless Steel Hydraulic Cylinder Tubes Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd , https://www.hjbearingtube.com
MATERIALS
ITEM
PARTS NAME
MATERIAL
1
BODY
CARBON STEEL / STAINLESS STEEL
2
SEAT RING
BRASS / STAINLESS STEEL
3
DISC
CARBON STEEL + BRASS / STAINLESS STEEL
4
VALVE GUIDE
CARBON STEEL / STAINLESS STEEL
5
BONNET
CARBON STEEL / STAINLESS STEEL
6
SPRING
STAINLESS STEEL
7
BOLT/NUT
CARBON STEEL
DIMENSIONS (mm)
DN
L
D
D1
D2
b
Z-∮d
f
H
KG
20
150
105
75
58
16
4-14
2
73
3.3
25
160
115
85
68
16
4-14
2
75
4.1
32
180
140
100
78
18
4-18
2
84
6.3
40
200
150
110
88
18
4-18
3
95
7.8
50
230
165
125
102
20
4-18
3
109
11.1
65
290
185
145
122
20
4-18
3
129
16
80
310
200
160
138
22
8-18
3
153
26.2
100
350
220
180
158
24
8-18
3
170
35.9
125
400
250
210
188
26
8-18
3
200
51.2
150
480
285
240
Hydraulic Cylinder Tubes