Dual Plate Lug Type Check Valve - Lug type dual check valve, Lug wafer check valve | Made in Taiwan Dual Plate Check Valves Manufacturer | Taiwan Valve Centre Co., Ltd.
The dual plate lug type check valve only takes 15-20 minute completely dissemble and reassemble or less.
In general, the flange holes of dual plate lug type check valves have tapping.
Lug type check valves are furnished with thru-hole bolting in accordance with ASME, JIS, ISO, MSS and AWWA…etc. Threaded bolt holes are available when specified.
A metal-to-metal leakage rate of 1cc/minute/inch diameter can be provided at no extra cost if specified with customer enquiry/order.
Note: API 598 specifies 3cc/minute/inch diameter with water. TVCCL, TAIWAN VALVE is a high-quality Dual Plate Lug Type Check Valve, Dual Plate Lug Wafer Check Valve manufacturer from Taiwan since 1998. TVCCL has a competitive pricing, reliable quality product and excellent after-sales support, well-down packing. We have received good reputation as being a well-known supplier in supplying reliable quality and competitive price check valves from customers. 20 years of experiences in producing dual plate check valve, excellent after-sales support, OEM / ODM, oil industry, shipbuilding, seawater desalination, cooling system, nuclear industry.
Dual Plate Lug Type Check Valve
TC6
Lug type dual check valve, Lug wafer check valve
The dual plate lug type check valve only takes 15-20 minute completely dissemble and reassemble or less.
In general, the flange holes of dual plate lug type check valves have tapping.
Lug type check valves are furnished with thru-hole bolting in accordance with ASME, JIS, ISO, MSS and AWWA…etc. Threaded bolt holes are available when specified.
A metal-to-metal leakage rate of 1cc/minute/inch diameter can be provided at no extra cost if specified with customer enquiry/order.
Note: API 598 specifies 3cc/minute/inch diameter with water.
Lug type valves are provided with threaded bolting holes in accordance with API 594.
Check valves, also known as non‐return, reflux or one‐way valves are automatic valve types that do not require any manual or electrical intervention to open and close.
Check valves are used to allow flow in one direction only and prevent the reversal of flow. They are also used to protect the system and it’s components from water hammer and pressure surges.
Features
- Lug Type check valve's OD usually do not need machining, and we do tapping on bolt hole.
- While small size lug valve be installed, the piping flange does not have the problem of installation.
- Do not have install problem of pipe flange, especially for small size.
- Even for small size, still has bolt to set each bolthole.
- Bolt hole to be tapped according to client's requests to particularly customized.
- Retail acceptable.
- Beautifully packaged.
- Customized special valve.
Dual Plate Check Valve Installation Guide:
When installing a check valve, it can be used in both indoor and outdoor environments. However, if the medium is corrosive or the surroundings are prone to rust, it is essential to select a valve material combination that matches the conditions to ensure durability and safety. For special operating conditions, it is recommended to consult TVCCL’s technical team for professional advice.
Before installation, all debris, oxidation scale, and solid impurities inside the pipeline should be thoroughly removed to prevent interference with the valve’s operation. During installation, the flow direction of the medium must align with the arrow marked on the valve body. The piping should be aligned at the front and rear centers, with flange interfaces kept parallel and bolts evenly tightened. Special attention should be paid to the distance between the check valve and the pump, which should be six to eight times the valve size to ensure stable system performance.
For routine maintenance, regular inspections should be conducted to check for leakage, abnormal noise, or vibration. In addition, the valve should be periodically examined for signs of corrosion, jamming, or other irregularities. Necessary cleaning, dust removal, and residue treatment should be performed to maintain proper equipment operation and extend its service life.
Specification
- Size: 6" ~ 60" (DN150 - DN1500)
- Pressure Rating For ASME: 125# ~ 2500# Suit For ASME / MSS / API Flange
- Pressure Rating For ISO: PN10 ~ PN40 Suit For ISO Flange
- Pressure Rating For JIS: 5K ~ 20K Suit For JIS Flange
- Material:WCB,CF8,CF8M,ALBC3,A8904A(MOQ)
- Designed in accordance with API 594
- End Connection: Wafer (TC0), Lugged (TC6, TC9), Flanged (TC4)
- (Other flange connection please contact Taiwan Valves Centre Co., Ltd.)
- *Technical information is only for reference. Taiwan Valves Centre Co., Ltd. reserves the right to change without previous notice.
PRESSURE - TEMPERATURE RATING
The pressure-temperature rating table is an essential technical reference in the design and selection of industrial valves. It indicates the maximum allowable working pressure that a valve made from a specific material can withstand at various temperatures. According to the ASME B16.34 standard, this table is based on the mechanical properties and allowable stress of materials, listing pressure limits for different pressure classes (such as Class 150, 300, 600, etc.) at designated temperatures. These values are calculated by considering the reduction in material strength at elevated temperatures, ensuring that valves do not fail due to overpressure or overheating under actual operating conditions. When selecting a valve, users must first determine the operating temperature and then consult the table to verify whether the corresponding pressure class can safely handle the system pressure. The table also categorizes materials into groups—such as carbon steel, stainless steel, and alloy steel—since each material behaves differently under high temperatures, and the allowable pressures vary accordingly. In summary, the pressure-temperature rating table is a fundamental tool for ensuring valve safety. For engineers, it serves not only as a design reference but also as a critical component of risk management.
| °F | °C | WCB (A216) | WC6 (A217) | LCB (A352) | LCC (A352) | CF8 (A351) | CF8M (A351) | CF3M (A351) |
|---|---|---|---|---|---|---|---|---|
| -20 to 100 | -29 to 38 | 285 | 290 | 265 | 290 | 275 | 275 | 275 |
| 200 | 93 | 260 | 260 | 250 | 260 | 235 | 240 | 240 |
| 300 | 149 | 230 | 230 | 230 | 230 | 205 | 215 | 215 |
| 400 | 204 | 200 | 200 | 200 | 200 | 180 | 195 | 195 |
| 500 | 260 | 170 | 170 | 170 | 170 | 170 | 170 | 170 |
| 600 | 316 | 140 | 140 | 140 | 140 | 140 | 140 | 140 |
| 650 | 343 | 125 | 125 | 125 | 125 | 125 | 125 | 125 |
| 700 | 371 | 110 | 110 | --- | 110 | 110 | 110 | 110 |
| 750 | 399 | 98 | 95 | --- | --- | 95 | 95 | 95 |
| 800 | 427 | 80 | 80 | --- | --- | 85 | 80 | 80 |
Applications
- Lug type check valve is suitable for a country, which has high-frequency earthquake. Alternatively, the pipe has violently impact and shake often.
- Dual Plate Lug Type Check Valve is suitable for small pipelines and high temperature and high-pressure environment
- Dual Plate Lug Type Check Valve can be applied to various environments such as water, steam, oil, strong acid oxidizing fluid and urea.
- Lug type check valve is fastened directly to the pipe flange by connecting the pipe flange with bolts to the valve body also drilled with threads.
- Dual Plate Lug Type Check Valve is a good solution whenever required compact dimensions and reduced weight.
- Dual Plate Lug Type Check Valve is suitable for use in clean, dirty and seawater applications.
- Lug type check valve is installed above ground in order to reduce congestion.
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Dual Plate Lug Type Check Valve - Lug type dual check valve, Lug wafer check valve | Made in Taiwan Dual Plate Check Valves Manufacturer | Taiwan Valve Centre Co., Ltd.
Located in Taiwan since 1998, Taiwan Valve Centre Co., Ltd. has been a dual plate check valve manufacturer with all the valves sold to 1,500 clients in 80 countries worldwide. Their main valve products, including Dual Plate Lug Type Check Valve, dual plate check valves, dual plate full lining type, retainerless check valves, bypass check valves, short and long wafer check valves and spring wafer type for industries, such as oil, shipbuilding, seawater desalination, cooling system and nuclear.
TVCCL has a competitive pricing, reliable quality product and excellent after-sales support, well-down packing. We have received good reputation as being a well-known supplier in supplying reliable quality and competitive price check valves from customers. 20 years of experiences in producing dual plate check valve, excellent after-sales support, OEM / ODM, oil industry, shipbuilding, seawater desalination, cooling system, nuclear industry.
TVCCL, TAIWAN VALVE has been offering customers high-quality and durable industrial check valves for any applications since 1998, both with advanced technology and 25 years of experience, TVCCL, TAIWAN VALVE ensures each customer's demands are met.