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Parallel Double Gate Valve

The Parallel Double Gate Valve is a high-performance industrial valve specifically designed for precise control and reliable shut-off of various mediums in piping systems. Characterized by its unique parallel double gate structure, this valve integrates advanced design concepts and superior manufacturing techniques to meet the rigorous requirements of diverse industrial sectors, including oil and gas, petrochemical, power generation, water treatment, and more. It operates by means of the linear movement of two parallel gates to open or close the flow channel, ensuring excellent sealing performance and stable operation even under harsh working conditions such as high pressure, high temperature, and corrosive environments. Whether used for on-off control or throttling regulation, the Parallel Double Gate Valve delivers exceptional performance, contributing to the safe, efficient, and stable operation of the entire piping system.
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Ⅰ．Product Introduction

The Parallel Double Gate Valve is a high-performance industrial valve specifically designed for precise control and reliable shut-off of various mediums in piping systems. Characterized by its unique parallel double gate structure, this valve integrates advanced design concepts and superior manufacturing techniques to meet the rigorous requirements of diverse industrial sectors, including oil and gas, petrochemical, power generation, water treatment, and more. It operates by means of the linear movement of two parallel gates to open or close the flow channel, ensuring excellent sealing performance and stable operation even under harsh working conditions such as high pressure, high temperature, and corrosive environments. Whether used for on-off control or throttling regulation, the Parallel Double Gate Valve delivers exceptional performance, contributing to the safe, efficient, and stable operation of the entire piping system.

Ⅱ．Product Features

1. Superior Sealing Performance: Adopting a precision-machined parallel double gate structure, the valve achieves tight sealing through the mutual cooperation of the two gates. Multiple sealing options, including Metal-to-Metal, Resilient Seat, Graphite, and PTFE, are available to meet the sealing needs of different mediums and working conditions, effectively preventing medium leakage and ensuring system tightness.
2. Wide Range of Material Options: A variety of high-quality materials are offered to adapt to different working environments. Carbon Steel (WCB, WCC) provides excellent mechanical strength and load-bearing capacity, making it suitable for general industrial scenarios; Stainless Steel (SS304, SS316) boasts outstanding corrosion resistance, ideal for corrosive mediums such as acids and alkalis; Cast Iron is an economical choice for low-pressure and non-corrosive applications. This diverse material selection ensures the valve’s durability and adaptability.
3. Broad Operating Parameter Range: The valve covers a wide size range from DN15 to DN900, catering to the needs of different piping diameters. It can withstand working pressures ranging from Class 150 to Class 2500 and operating temperatures from -46°C to 600°C, enabling stable operation in both extreme low-temperature and high-temperature, high-pressure environments, and meeting the requirements of various complex industrial processes.
4. Reliable Structural Design: The integrated cast or forged manufacturing method enhances the structural integrity and mechanical performance of the valve, ensuring it can withstand long-term mechanical wear and impact. The flanged connection option facilitates easy installation, disassembly, and maintenance, reducing downtime and maintenance costs for the piping system.
5. Versatile Application Scope: Compatible with a wide range of applicable mediums, including water, steam, oil, gas, and other common industrial fluids, the valve is widely used in various industrial fields such as oil and gas exploitation and transportation, petrochemical processing, thermal power generation, municipal water supply and drainage, and chemical engineering.
6. Compliance with Strict Standards: Manufactured in strict accordance with the API 600 standard, the valve meets international high-quality and safety requirements. It undergoes rigorous quality inspection and performance testing during the production process to ensure consistent product quality and reliable operation.

Ⅲ．Technical Data

1. Material: Carbon Steel (WCB, WCC for strength), Stainless Steel (SS304, SS316 for corrosion resistance), Cast Iron
2. Size Range: DN15 – DN900
3. Connection Options: Flanged
4. Working Pressure: Class 150 to Class 2500
5. Working Temperature: -46°C to 600°C
6. Sealing Options: Metal-to-Metal, Resilient Seat, Graphite, PTFE
7. Manufacturing Method: Cast, Forged
8. Applicable Medium: Water, steam, oil, gas, etc.
9. Manufacturing Standard: API 600

Ⅳ．The main shape and connection size

PN (MPa) DN Overall dimensions Connection size Sealing surface Reference Weight (kg)
L (3/Short) L (1/15Long) H H1 L1 D0 D K n-d C D1 f
1.6 15 108 130 472 380 185 250 95 65 4-14 16 45 2 27
20 117 150 485 390 185 250 105 75 4-14 18 58 2 30
25 127 160 490 400 185 250 115 85 4-14 18 68 2 32
32 140 180 530 414 185 250 140 100 4-18 18 78 2 35
40 165 240 600 430 185 250 150 110 4-18 20 88 2 42
50 178 250 729 488 185 250 165 125 4-18 20 102 2 57
65 190 270 802 550 185 250 185 145 8-18 22 122 2 68
80 203 280 891 604 185 250 200 160 8-18 20 138 2 80
100 229 300 1051 710 185 250 220 180 8-18 20 158 2 100
125 254 325 1283 740 185 250 250 210 8-22 22 188 2 125
150 267 350 1385 925 185 250 285 240 8-22 22 212 2 155
200 292 400 1700 1119 258 350 340 295 12-22 24 268 2 265
250 330 450 1904 1226 258 350 405 355 12-26 26 320 2 350
300 356 500 2245 1438 258 350 460 410 12-26 28 378 2 470
350 381 550 2620 1640 290 400 520 470 16-26 30 428 2 640
400 406 600 2715 1400* 290 400 580 525 16-30 32 490 2 840
450 432 650 2840 1550* 445 650 640 585 20-30 40 550 2 1200
500 457 700 3220 1700* 445 650 715 650 20-33 44 610 2 1380
600 508 800 3750 1900* 480 650 840 770 20-36 54 725 2 1620
700 610 900 4365 2280* 480 650 910 840 24-36 42 795 2 2780
800 711 1000 4890 2504* 525 900 1025 950 24-39 42 900 2 4215
900 711 1100 5305 2725* 530 900 1125 1050 28-39 44 1000 2 4850
PN (MPa) DN Overall dimensions Connection size Sealing surface Reference Weight (kg)
L (3/Short) L (1/15Long) H H1 L1 D0 D K n-d C D1 f
2.5 15 108 130 472 380 185 250 95 65 4-14 16 45 2 27
20 117 150 485 390 185 250 105 75 4-14 18 58 2 30
25 127 160 490 400 185 250 115 85 4-14 18 68 2 32
32 140 180 530 414 185 250 140 100 4-18 18 78 2 35
40 165 240 600 430 185 250 150 110 4-18 18 88 2 42
50 178 250 729 488 185 250 165 125 4-18 20 102 2 57
65 190 270 802 550 185 250 185 145 8-18 22 122 2 77
80 203 280 891 604 185 250 200 160 8-18 24 138 2 84
100 229 300 1051 710 185 250 235 190 8-22 24 162 2 105
125 254 325 1283 740 185 250 270 220 8-26 26 188 2 130
150 267 350 1385 925 185 250 300 250 8-26 28 218 2 160
200 292 400 1700 1119 258 350 360 310 12-26 30 278 2 282
250 330 450 1904 1226 258 350 425 370 12-30 32 335 2 377
300 356 500 2089 1066* 290 400 485 430 12-30 34 395 2 475
350 381 550 2235 1213* 290 400 555 490 16-33 38 450 2 660
400 406 600 2715 1400* 290 400 620 550 16-36 40 505 2 920
450 432 650 2840 1550* 445 650 670 600 20-36 46 555 2 1212
500 457 700 3220 1700* 445 650 730 660 20-36 48 615 2 1400
600 508 800 3775 1900* 480 650 845 770 20-39 58 720 2 1632
700 610 900 4365 2280* 480 650 960 875 24-42 50 820 2 2780
800 711 1000 4890 2504* 525 900 1025 950 24-48 54 930 2 4215
900 711 1100 5305 2725* 530 900 1125 1090 28-48 58 1030 2 4850

Boundary Connection Dimensions of Parallel Double Gate Valve 4.0PN

PN DN Overall dimensions Connection size Sealing surface Reference Weight (kg)
L (4/Short) L (1/22Long) H H1 L1 D0 D K n-d C D1 f D2 f1
4 20 152 152 500 398 185 250 105 75 4-14 18 58 2 51 4 32
25 165 165 510 410 185 250 115 85 4-14 18 68 2 58 4 34
32 178 178 540 420 185 250 140 100 4-18 18 78 2 66 4 38
40 190 240 613 442 185 250 150 110 4-18 18 88 2 76 4 55
50 216 250 748 503 185 250 165 125 4-18 20 102 2 88 4 69
65 241 280 860 573 185 250 185 145 8-18 22 122 2 110 4 80
80 283 310 1014 706 185 250 200 160 8-18 24 138 2 121 4 88
100 305 350 1170 810 185 250 235 190 8-22 24 162 2 150 4.5 110
125 381 400 1306 888 185 250 270 220 8-26 26 188 2 176 4.5 135
150 403 450 1417 954 258 350 300 250 8-26 28 218 2 204 4.5 165
200 419 550 1789 1192 258 350 375 320 12-30 34 285 2 260 4.5 345
250 457 650 1987 1289 258 350 450 385 12-33 38 345 2 313 4.5 450
300 502 750 2116 1073* 290 400 515 450 16-33 42 410 2 364 4.5 620
350 762 850 2353 1227* 290 400 580 510 16-36 46 465 2 422 5 680
400 838 950 2715 1400* 290 400 660 585 18-39 50 535 2 474 5 1000
450 914 1050 3010 1645* 445 650 685 610 20-39 57 560 2 524 5 1320
500 991 1150 3235 1725* 445 650 755 670 20-42 57 615 2 576 5 1812
600 1143 1350 3749 1947* 480 650 890 795 20-48 72 735 2 676 6 2300
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Founded in 2016, Shanghai Wangye Valve Manufacturing Co., Ltd. is a professional industrial fluid control manufacturer with nearly a decade of experience, integrating R&D, intelligent production, sales, and customized solutions. Leveraging Shanghai’s advanced manufacturing advantages, we’ve built a reliable brand across petrochemicals, power, metallurgy, water treatment, and new energy industries, offering gate/ball/butterfly valves and tailored solutions for harsh conditions. Backed by advanced equipment, full-process quality control, and ISO certifications, we adhere to “Integrity, Quality, Customer Focus, Innovation” and provide comprehensive services, striving for long-term cooperation and continuous technological upgrading.

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In our facility, raw materials (including core components and packaging supplies) are strictly controlled via a real-time digital inventory system—tracking batches, shelf life, and storage conditions to boost traceability and cut waste. Semi-finished products, post-preliminary quality checks, are stored per strict industry standards: labeled with progress/inspection records to avoid cross-contamination and damage. Finished products are sorted into specialized warehouses by type, market, and delivery schedule, streamlining picking and reducing dispatch delays. This standardized process effectively boosts efficiency: cutting redundant steps by 30%, shortening fulfillment cycles by 20%, and minimizing inventory/shipment errors.

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Tailored to the distinct demands of industries like petrochemicals, new energy, and metallurgy, WYE provides personalized industrial fluid control solutions—covering pre-project demand assessment, customized valve design (matching specific working conditions like pressure or medium type), and on-site technical consultation to align with clients’ operational scenarios. Additionally, we offer comprehensive after-sales support: including on-site installation guidance, regular equipment maintenance inspections, and 24/7 responsive fault troubleshooting, which ensures the stable operation of clients’ systems and strengthens long-term cooperative partnerships.

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Our company is a one-stop solution for all valve-related needs, offering customization to tailor valves to unique specifications, professional installation & commissioning for seamless integration and optimal performance, maintenance & repair to keep valves in top condition and extend their lifespan, and technical support & consultation for expert advice on selection, optimization, and troubleshooting throughout every project stage.

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We design and manufacture valves tailored to your unique specifications, ensuring perfect compatibility with your systems and enhanced operational efficiency.

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We offer regular maintenance, prompt repair, and parts replacement services to keep your valves in top condition, minimizing downtime and extending their lifespan.

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  • +86 13524535400
  • Building 1, No. 5601, Yanqian Highway, Fengxian District, Shanghai
  • Mon-Sun 9:00AM - 10:00PM

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  • Tel: +86 13524535400,+86 17768026551
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