
American Standard API 600 Flange Gate Valve
American standard gate valve, manual gate valve, American standard flange gate valve
[Overview of Manual American Standard Gate Valve]
The manual American standard gate valve has the characteristics of small fluid resistance, wide applicable pressure and temperature range, etc. It is the most commonly used cut-off valve, used to cut off or connect the medium in the pipeline.
The opening and closing part of the manual American standard gate valve is the gate plate. The movement direction of the gate plate is perpendicular to the direction of the fluid. The gate valve can only be fully opened and fully closed, and cannot be adjusted or throttled. The gate has two sealing surfaces. The two sealing surfaces of the most commonly used model gate valve form a wedge shape. The wedge angle varies with the valve parameters, usually 5°, and 2°52' when the medium temperature is not high. The gate plate of the wedge gate valve can be made into a whole, called a rigid gate; it can also be made into a gate that can produce slight deformation to improve its craftsmanship and compensate for the deviation of the sealing surface angle during the processing. This kind of gate The plate is called an elastic gate.
[Application range of manual American standard gate valve]
Manual American standard gate valve is used on various types of pipelines with nominal pressure PN1.0~16.0MPa, working temperature -29~425℃ (carbon steel) and -40~200℃ (stainless steel), and is used to cut off or connect pipelines. medium. By choosing different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea. The driving modes include manual, bevel gear transmission and electric.
[Features of Manual American Standard Gate Valve]
① Product design and manufacturing comply with the requirements of American national standard ANSIB16.34, American Petroleum Institute standard AP16D and API600.
②Compact structure, small size, good rigidity, safe and reliable sealing.
③The closing part (gate plate) adopts an elastic structure, which can automatically compensate for the deformation of the valve body caused by abnormal load or temperature during operation. Therefore, the sealing is reliable and no gate wedge will occur.
④ Manual valves with a nominal diameter greater than or equal to NPS1011 and a pressure class of 400 pounds, and manual valves with a nominal diameter greater than or equal to NPSS611 and a pressure class of 600 to 2500 pounds, are equipped with rolling bearings in the operating device, making it easy to open and close.
⑤The materials of the main body, internal parts, fillers, gaskets, and fasteners can be reasonably combined according to user requirements or actual working conditions.
⑥The valve seat can be a flip-type valve seat, which can be arbitrarily combined and matched with the closing sealing surface material to meet the working conditions and extend the service life.

[Manual American Standard Gate Valve Standard]
| Design and manufacturing | Structure length |
flange size
|
Butt welding connection size | Pressure temperature level | Testing and Inspection |
|
AP1 600
|
ANS1B16.10
|
ANS1B16.5a
|
ANS1B16.25
|
ANS1B16.34
|
AP1598
|
[Manual American Standard Gate Valve Pressure Test]
| Nominal pressure | Strength test | Water seal test | Air seal test | |||
|
MPa
|
Lbf/in2
|
MPa
|
Lbf/in2
|
MPa
|
Lbf/in2
|
|
|
150
|
3.1
|
450
|
2.2
|
315
|
0.5~0.7
|
60~100
|
|
300
|
7.8
|
1125
|
5.6
|
815
|
||
|
600
|
15.3
|
2225
|
11.2
|
1630
|
||
|
900
|
23.1
|
3350
|
16.8
|
2440
|
||
|
1500
|
38.4
|
5575
|
28.1
|
4080
|
||
|
2500
|
64.6
|
9367
|
47.4
|
6873
|
||
Main parts materials and performance of manual American standard gate valve:
| case |
ASTM A216WCB
|
ASTMA351 CF8
|
|||||||||
| gate |
WCB
|
CF8
|
CF8M
|
Monel
|
|||||||
|
valve rod
|
F6a
|
F304
|
F316
|
Monel
|
F304
|
||||||
| Gate sealing surface |
13Cr
|
13Cr
|
STL
|
304
|
STL
|
316
|
STL
|
Monel
|
304
|
304
|
STL
|
| Valve seat sealing surface |
13Cr
|
STL
|
STL
|
304
|
STL
|
316
|
STL
|
Monel
|
304
|
STL
|
STL
|
|
valve body
|
ASTM A351 CF3
|
ADTM A351 CF8M
|
ASTM A351 CF8
|
||||||||
|
gate
|
|||||||||||
|
valve rod
|
F304L
|
F316
|
F316L
|
||||||||
| Gate sealing surface |
304L
|
304L
|
STL
|
316
|
316
|
STL
|
316L
|
316L
|
STL
|
||
| Valve seat sealing surface |
304L
|
STL
|
STL
|
316
|
STL
|
STL
|
316L
|
STL
|
STL
|
||



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