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Inverted pressure balance lubricated plug valve according to ANSI is applicable to the cutting and connection of pipelines medium that are used in various industries such as petroleum, chemical industry, pharmacy, chemical fertilizer, electric power industry etc. under nominal pressure of Class 150lb-900Lbs and working temperature of -29-180 Deg C.
1. It has logical structure, reliable seal, excellent performance and nice design.
2. It has the structure of flip-chip balanceable pressure and light on/off operation.
3. An oil groove is set between valve body and seal surface, which may infuse the seal grease to increase the seal capability.
4. The part material and flange dimension may be selected according to current operating condition and users requirement, so that meet the requirements of various engineering.
Main Parts Material |
No. | Parts | Material |
1 | Body | ASTM A216 WCB ASTM A217-WC1,WC6,WC9,C5 ASTM A351-CF8,CF8M,CF3,CF3M |
2 | Ferrule Sealing | PTFE |
3 | Plug | ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304,F316,F321,F304L,F316 |
4 | Gasket | Flexible Graphite + S.S. |
5 | Adjusting Gasket | ASTM A182-Gr.F6a ASTM A182-F22 ASTM A182-F304,F316,F321,F304L,F316 |
6 | Bonnet | ASTM A216 WCB ASTM A217-WC1,WC6,WC9,C5 ASTM A351-CF8,CF8M,CF3,CF3M |
7 | Adjusting Bolt | ASTM A193-B7,A320-B8,A193-B8M |
8 | Hex Nut | ASTM A194-2H,A194-8,A194-8M |
9 | Bolt | ASTM A193-B7,A320-B8,A913-B8M |
10 | Lever | ASTM A105-WCB |
| DN(mm) | DN(mm) | ||||
| L | D | D1 | D2 | z-φd | |
| 15 | 80 | 80 | 55 | 40 | 4*12 |
| 20 | 90 | 90 | 65 | 50 | 4*12 |
| 25 | 100 | 100 | 75 | 60 | 4*12 |
| 32 | 115 | 120 | 90 | 70 | 4*14 |
| 40 | 130 | 130 | 100 | 80 | 4*14 |
| 50 | 145 | 140 | 110 | 90 | 4*14 |
| 65 | 160 | 160 | 130 | 110 | 4*14 |
| 80 | 200 | 185 | 150 | 125 | 4*18 |
| 100 | 230 | 205 | 170 | 145 | 4*18 |
| 125 | 250 | 235 | 200 | 175 | 8*18 |
| 150 | 320 | 260 | 225 | 200 | 8*18 |
| 200 | 350 | 315 | 280 | 255 | 8*18 |
Q:When should a plug valve be used?
The application scenarios of plug valves are well-defined, primarily occurring in situations where rapid on/off control of fluid pipelines is required or periodic flushing of pipeline impurities is necessary.
Q:What specific areas are involved?
For instance, pipelines in the petroleum and chemical industries that transport corrosive oils/gases or chemical slurries, as well as sewage conveyance lines handling wastewater containing sediment impurities, all require flushable plug valves with excellent sealing performance and erosion resistance for effective control.
Our balanced plug valve has been specifically optimized for industry pain points, from its core design to production control. The valve body adopts a pressure-balanced structure, effectively counteracting the resistance to opening and closing caused by medium pressure. This design makes switching operations more effortless, eliminating the need for extra exertion even under high-pressure conditions. This not only reduces operational load but also extends the lifespan of drive components. The sealing structure features an improved elastic seal design, combined with precision machining processes. This ensures zero-leakage sealing and maintains stable sealing performance over long periods, reducing the frequency of later maintenance and seal replacement. Furthermore, our full range of specifications covers various working conditions from low to high pressure, accommodating a wide range of media such as water, oil, and gas. Whether it's municipal pipelines, chemical pipelines, or industrial production pipelines, our valve can be used seamlessly. Additionally, we provide comprehensive after-sales support, from selection guidance to installation and commissioning, as well as ongoing maintenance. We are committed to providing timely and professional services to help you solve pipeline control issues with ease.
