Bulk API Standard Gate Valve Manufacturers, Suppliers and Factory with High Quality
1.Introduction of API Standard Gate Valve
API standard gate valve is a fully open or fully closed valve. The API standard gate valve controls the medium flow in the pipeline. When the disc is closed, it prevents the medium flow. When the disc is open, the medium can pass through the valve. API standard gate valve can only be fully opened or fully closed, not half opened.
2.Design Standard of API Standard Gate Valve
API standard gate valve’s design and manufacture meet the requirements of American national standard ansib16.34, American Petroleum Institute standard ap16d and API600
Design standard: API 600, API 603, API 6D
Structural length: ASME B16.10
Flange connection: ASME B16.5, ASME b16.47
Test and inspection: API 598, API 6D, API 600
3.The Characteristic of Stainless Steel Flange Gate Valve
Reliable sealing, excellent performance and beautiful appearance.
Wedge type elastic gate structure is adopted, rolling bearing is set in medium and large diameter, easy to open and close.
After quenching and tempering and surface nitriding treatment, the valve stem has good corrosion resistance and scratch resistance.
The gate and valve seat have good abrasion resistance, high temperature resistance, corrosion resistance, abrasion resistance and long service life.
All kinds of piping flange standards and flange sealing surface types can be adopted to meet various engineering needs and user requirements.
The valve body material is complete, and the packing and gasket are reasonably selected according to the actual working condition or user's requirements, which can be applied to various pressure, temperature and medium working conditions.
4.Structure of API Standard Gate Valve
5.Material of API Standard Gate Valve
13Cr STL
with boy
material
PTFE Nylon
Enhanced
Flexible
Graphite
1Cr13/
Flexible Graphite
Flexible
Graphite
Enhance
Flexible
Graphit
F11
F12
Body,Cover and Cisc
Stem
Sealing face
Sealing shim
Packing
Working temperature
Medium
WCB
F6a
F304/F316
F304L/F316L
SFP/260
PTFE
≤450℃
Water
Steam
Petroleum
WC1
≤450℃
WC6
≤540℃
WC9
≤570℃
C5 C12
≤540℃
CF8
F304
≤200℃
Nitric acid
Acetic acid
Urea
CF8M
F316
CF3
F304L
CF3M
F316L
6.Testing of API Standard Gate Valve
PN
Shell test
Sealing test (Water)
Sealing test
MPa
Lbf/in2
MPa
Lbf/in2
MPa
Lbf/in2
150
3.0
430
2.2
315
0.4~0.7
60~100
300
7.7
1110
5.7
815
600
15.3
2220
11.3
1630
900
23.0
3330
17.0
2445
1500
38.4
5560
28.2
4080
2500
64.0
9255
47.0
6790
1. Can i have a sample order for valve ?
A: Yes, we welcome sample order to test and check the quality, Mixed sample are accepted.
2. Do you have any MOQ limit for valve order ?
A: Low MOQ, 1 PC for sample checking is avaible.
3. Could you offer OEM service ?
A: Yes, OEM is availble.
4. How about the payment ?
A: We normally accept 30% deposit, and balance will be paid before shipping. L7C is OK
5. Whafs the delivery time of your butterfly valves?
A: For most of the sizes,DN50-DN600,we have stock of valve parts,it*s possible to deliver in 1-3 weeks,to nearest seaport Tianjin.
6. Whafs the warranty of your products?
A:We normally offer 12 months of warranty in service or 18 months since shipping date.
7. What is your products standardization?
A: GB/T12238-2008, JBfT 8527-1997, API 609,EN 593-1998, DIN 85003-3-1997
8. How to contact us?
A:delia@milestonevalve.com
0086 13400234217 Whatsapp& Wechat