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API spec 6D
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1.
Pipeline Valves API 6D:
Flanged and butt-welding gate, plug, ball, and check valves can be provided. They are mainly used in pipelines of the petroleum industry, chemical industry and so on. Their face-to-face or end-to-end lengths, end flange dimensions and welding end designs respectively conform to API 6D, ANSI B16.5, ANSI B31.4 and ANSI 31.8.
Main Technical Parameters |
Class Lb |
150, 300, 400, 600, 900, 1500 |
Nominal Size |
2 ~ 20 inch |
Temperature |
- 20 ~ 250 Fahrenheit Degree |
2. Standard GB, JB, HB, and YS Valves:
The standard GB, JB, HB, and YS Valves that are manufactured by our factory have a complete range of types. There are flanged, welded, clamp and threaded connection for these series products.
3. Wedge Gate Valves:
The sealing surfaces of the wedge gate valves are welded by carbide alloy or Cr13 series stainless steel to achieve anti-corrosion, anti-abrasion and erosion resistance.
Main Technical Parameters |
Rated Pressure |
2.5 ~ 40Mpa |
Nominal Size |
25 ~ 200mm |
Temperature |
-29 ~ 121 ¡æ |
Applicable Medium |
crude oil, water, gas. |
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4. Flat Gate Valves:
Flat Gate Valves are provided with hard facings, movable seats and Y packing. So They feature corrosion and erosion resistance, excellent sealing characteristics and easy operation.
Main Technical Parameters |
Rated Pressure |
2.5 ~ 105Mpa |
Nominal Size |
25 ~ 200mm |
Temperature |
-29 ~ 121 ¡æ |
Applicable Medium |
crude oil, water, gas. |
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5. Parallel Gate Valves:
Parallel Gate Valves are mainly used in the drilling mud manifold and high pressure pipelines of petrochemical industry and other industries. Their surfaces of friction are plated with Chromium and surfaces of contact with media are given antiseptic treatments.
Main Technical Parameters |
Rated Pressure |
35Mpa |
Nominal Size |
50mm, 65mm, 80mm, 100mm |
Temperature |
-29 ~ 82 ¡æ |
Applicable Medium |
crude oil, water, mud, fracturing fluid. |
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6. High Pressure Steam Valves:
High Pressure Steam Valves, applicable to thermal recovery well head assembly and well head water injection assembly, are made of anti high temperature creep materials. So the opening and closing elements will not be deformed under high temperature and high pressure. They are easy to operate. The packing is made of graphite annulus. The metal sealing ring between valve body and the bonnet is anti high temperatue.
Main Technical Parameters |
Rated Pressure |
d |
Nominal Size |
65mm |
Temperature |
-29 ~ 380 ¡æ |
Applicable Medium |
crude oil, steam, hot water |
Connection Type |
clamp connection |
7. Balance Throttle Valves:
Balance Throttle Valves are used together with flow gage to adjust flow rate of pipeline media. They are provided with hard facings and orifices in valve cores to balance pressure. So they are easy to operate. They feature anti-corrosion, anti-abrasion and erosion resistance.
Main Technical Parameters |
Rated Pressure |
10 ~ 42Mpa |
Nominal Size |
25 ~ 150mm |
Temperature |
-29 ~ 121 ¡æ |
Available Medium |
oil, water |
8. Multi-Purpose Adjustable Valves:
Multi-Purpose Adjustable Valves which serve many purposes can be used as cut-off valves, choke valves and check valves. They are provided with hard facings and orifices in valve cores to balance pressure. So they are easy to operate and feature anti-corrosion, anti-abrasion and erosion resistance.
Main Technical Parameters |
Rated Pressure |
10 ~ 42 Mpa |
Nominal Size |
25 ~ 150mm |
Temperature |
-29 ~ 121 ¡æ |
Applicable Medium |
oil, water |
9. Check Valves:
Check valves are used to control the opening and closing of pipeline media in one direction only and prevent backward flow. They are provided with hard facings, spring pre-loaded seats and lapping rings. SoThey are easy to operate and feature anti-corrosion, anti-abrasion, erosion resistance, and excellent sealing.
Main Technical Parameters |
Rated Pressure |
10 ~ 42 Mpa |
Nominal Size |
25 ~ 150mm |
Temperature |
-29 ~ 121 ¡æ |
Applicable Medium |
oil, water |
10. Cut-Off Valves:
They are used to open or cut off the fluid. Sealing surfaces are welded by Cr13 series stainless steel or carbide alloy, featured anti-corrosion, anti-abrasion and erosion resistance.
Main Technical Parameters |
Rated Pressure |
2.5 ¡« 105 Mpa |
Nominal Size |
3 ¡« 30mm |
Temperature |
-29 ¡« 425 ¡æ |
Applicable Medium |
oil, steam, water, acid, gas |
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