Feature：
1. Little fluid resistance, the resiatance valve is equal to tube of the same length.
2. Simple structure, small size and light.
3. Reliable sealing, PTFE or similar sealing face material, also widely used in the vacuum system..
4. easy operation, open and close rapidly, 90 degree form full open to full close.
5. Easy maintenance, convenient to assemble and disassemble.
6. The sealing face is isolating form medium when full open or close to against the corrosion of the medium.
Standard:
Design & Manufacturing:API 608 & ANSI B16.34
Pipe thread: ASME B 1.20.1
Testing & Inspection: API 598
Structure：
Main parts material
|
NO.
|
PART NAME
|
MATERIALS
|
|
1
|
Body
|
CF8M
|
CF8
|
WCB
|
|
2
|
End Plug
|
CF8M
|
CF8
|
WCB
|
|
3
|
Ball Seat
|
PTFE
|
|
4
|
Ball
|
CF8M
|
CF8
|
|
5
|
Body Gasket
|
PTFE
|
|
6
|
Thrust Washer
|
PTFE
|
|
7
|
Stem Packing
|
PTFE
|
|
8
|
Gland Nut
|
SUS 304
|
|
9
|
Stem Washer
|
SUS 304
|
|
10
|
Stem Nut
|
A194-8
|
|
11
|
Stem
|
SUS 316
|
SUS 304
|
|
12
|
Handle Sleeve
|
Vinyl Plastic
|
|
13
|
Handle
|
SUS 304
|
Main Dimensions
|
SIZE
|
фd
|
L
|
H
|
E
|
HEX.B
|
фDN
|
|
1/4"
|
5.0
|
41.5
|
34
|
70
|
17
|
NPT BSP PT DIN etc...
|
|
3/8"
|
7.0
|
46.0
|
35
|
80
|
21
|
|
1/2"
|
9.1
|
58.0
|
44
|
92
|
25
|
|
3/4"
|
12.5
|
61.0
|
46
|
92
|
32
|
|
1"
|
15.0
|
73.5
|
51
|
115
|
38
|
|
1-1/4"
|
20.0
|
78.0
|
58
|
115
|
48
|
|
1-1/2"
|
25.0
|
85.0
|
66
|
127
|
53
|
|
2"
|
32.0
|
102.0
|
72
|
127
|
66
|