API 6A Oilfield Wellhead Adjustable Throttle Choke Valve
Product Introduction
Choke valve is a main component of Christmas tree, is design to control production rate of the oil well, with working pressure up to 15000psi. Choke valves can be classified as follows: adjustable choke valves and positive choke valves. By rotating hand wheel to move the stem, the adjustable choke valve is designed to adjust the effective area available for the flow to accomplish control of production rate. The positive choke valve is design to accomplish control of production rate by changing flow beans.choke valves are supplied in two types: Positive and Adjustable. It's designed as per API 6A, API 16C, NACE MR0175, the structure Type: needle, barrel, cage, orifice and wedge.
Adjustable and positive choke valves are designed for reliable flow control and maximum wear life, The choke valves are available in flanged or threaded ends in standard bore sizes form 1-13/16" thru 13-5/8",in working pressures of 2000 psi through 20000 psi.
Adjustable choke valve:
- Valve needle and spool are made of tungsten carbide,with sufficient corrosion resistant,antieroding and wearable capacity.
- The two kinds of adjustable choke ,needle type and external sleeeve type could apply to wellheads & X-mas tree and choke manifold.
Positive choke valve
- Material of choke bean is fabricated from ceramic and tungsten carbide,with sufficient corrosion resistant,anti-eroding and wearable capability.
- It adopts union bonnet so as to change choke quickly.
- It has application in wellhead & X-mas tree and choke line.
Technical Specifications of Oilfield Choke Valve
| Product name | Chock Valve |
| Working pressure | 2000-20000 PSI |
| Nominal bore | 1 13/16"~7 1/16" (46mm~180mm) |
| Working medium | oil,natural gas,mud and gas containing H2S,CO2 |
| Working temperature | -46℃—121℃ |
| Specification level | PSL 1- PSL4 |
| Performance requirement | PR 1-2 |
| Material class | AA,BB,CC,DD,EE,FF,HH |
| Manufacture standard | API Spec 6A |
| Item | Component | Qty | Material | Remark |
| 1 | Body | 1 | 4130 | |
| 2 | O-Ring | 2 | NBR | |
| 3 | Seat Bushing | 1 | 4130 | |
| 4 | Lower Diversion Bushing | 1 | 410 | |
| 5 | Upper Diversion Bushing | 1 | 410 | |
| 6 | Valve Core | 1 | YG8 | |
| 7 | O-Ring | 1 | NBR | |
| 8 | Bonnet | 1 | 4130 | |
| 9 | O-Ring | 2 | NBR | |
| 11 | Bonnet Stud | 8 | 4130 | |
| 12 | Bonnet Nut | 8 | 5140 | |
| 13 | Stem | 1 | 410 | |
| 25 | Cylinder Adapter | 1 | 4130 | |
| 26 | Cylinder | 1 | | |
| 27 | O-Ring | 2 | NBR | |
| 28 | Piston | 1 | 1045 | |
| 29 | Screw | 1 | 4130 | |
| 30 | Cylinder Lid | 1 | 4130 | |
| 31 | Circlip | 1 | 1566 | |
| 32 | Straight pipe | | | |
| 33 | Washer | 1 | 4130 | |
| 34 | Cylinder Adapter | 1 | 4130 | |
| 35 | Screw | 4 | 4130 | |
| 36 | Seat | 1 | YG8 | |
Xi'An TianRui Petroleum Machinery Equipment Company Limited is a professional manufacturer of varous oilfield equipment , including oil drilling and service equipment, solid control equipment, Oil production equipment, OCTG products, wellhead & downhole tools and spare parts. Our design and products are restrictly under API SPEC 7K/8C/6A. Our products have been already been export to USA ,South America, Africa, Europen, Russsia and other countries. Xi'An TianRui Petroleum Machinery Equipment Company Limited has built an excellent global distribution network and the capability of providing value added services to end users.
Our Services
1. For all your inquiries about our products, we will reply you in detail within 24 hours.
2. We have engineers who have more than 10 years’ experience to help you solve all the problems of technical.
3. We have a good translation, enthusiastic sales and service who can speak fluently in English and Russain.
Competitive Advantages
1. We offer high quality products at competitive price.
2. Shortest delivery time.
3. Flexible payment terms.
4. Timely after-sale service.
5. Most of our equipment can be replaceable with international brands.
6. Our products have been exported to Argentina, Egypt, US, Australia, Romania, Pakistan, Dubai, Abu Dhabi, Iran, India, Indonesia, Vietnam, Malaysia and many other countries.
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Oilfield Wellhead Adjustable Throttle Choke Valve API 6A Images
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