Product Usage
D343H, D343W three eccentric multi-level hard-seal butterfly valve is widely used in metallurgy, electric power, petroleum, chemical, air, gas, combustible gases and pipes for corrosive media such as water supply and drainage.
 
Specification
Design and manufacture of standards: GB / T 12238-2008
Structure length standard: GB / T 12221-2005
Connection flange standard: GB / T 9113
Pressure temperature grade: GB / T 12224-2005
Test test standards: GB / T 13927-2008
 
Structural features
1. The hard seal butterfly valve with three eccentric hard seal structure, the valve seat and disc almost no wear, with the more the more tight sealing function.
2. The ring made of stainless steel, with the advantages of both metal seal and flexible seal, both in the case of low temperature and high temperature, have excellent sealing performance, with corrosion resistance, long service life and so on.
3. The butterfly plate sealing surface using welding cobalt-based hard alloy, sealing surface wear-resistant, long service life.
4. Large-format butterfly plate frame structure, high strength, large flow area, small flow resistance.
5. According to user needs, the valve supply network of hard-sealing butterfly valve can be designed to have a two-way sealing function, the installation of media flow from the restrictions, but also the impact of space location, can be installed in any direction.
6. The drive can be multi-station (rotated 90 ° or 180 °) installation, user-friendly.

Main performance specifications

Product parts materials

The main shape and connection dimensions

PN	DN	L	D	D1	D2	Z-d	b	f	H	H0
1.0	50	108	165	125	99	4-18	20	2	170	130
1.0	65	112	185	145	118	4-18	20	2	170	145
1.0	80	114	200	160	132	8-18	20	2	230	152
1.0	100	127	220	180	156	8-18	22	2	320	192
1.0	125	140	250	210	184	8-18	22	2	345	200
1.0	150	140	285	240	211	8-22	24	2	385	230
1.0	200	152	340	295	266	蝶阀 Check Valve Check Valve Product Usage The API standard check valve produced by our company is designed and manufactured in full accordance with the United States standards, beautiful structure and advanced. American standard check valve is to rely on the flow of the medium itself and automatically open and close the valve flap, used to prevent media back to the valve, also known as check valve, check valve, counter-flow valve, its main role is to prevent media backflow, to prevent the pump And drive motor reverse, as well as the release of container media. Performance parameters Serial number project name parameter 1 Nominal pressurePN（MPa) 150LB 300LB 600LB 900LB 1500LB 2500LB 2.0 5.0 10.0 15.0 25.0 42.0 2 Shell strength test pressure Nominal pressure at room temperature 1.5 times 3 High pressure seal test pressure Nominal pressure at room temperature 1.1 times 4 Working pressure at room temperature Press the ASME B16.34 pressure and temperature rating   Product specifications design standards Structure length Flange connection size Test and inspection Pressure and temperature reference API6D/ASME B16.34 ASME B16.10 ASME B16.5 API598/API6D ASME B16.34   The main part material Part Name Material name Body A216 WCB A217 WC6 A351 CF8 A351 CF8M A351 CF3 A351 CF3M cap A216 WCB A217 WC6 A351 CF8 A351 CF8M A351 CF3 A351 CF3M Valve plate A216 WCB A217 WC6 A351 CF8 A351 CF8M A351 CF3 A351 CF3M Sealing surface 13Cr/STL STL Body / STL Body / STL Body / STL Body / STL Valve shaft A182 F6a A182 F11 A182 F304 A182 F316 A182 F304L A182 F316L Gasket Flexible graphite Flexible graphite Flexible graphite Flexible graphite Flexible graphite Flexible graphite bolt A193 B7 A193 B16 A193 B8 A193 B8M A193 B8 A193 B8M Nut A194 2H A194 4 A194 8 A194 8M A194 8 A194 8M Operating temperature -29~425℃ -29~540℃ -46~425℃ -46~425℃ -46~425℃ -46~425℃ Suitable media steam steam Weak corrosive Weak corrosive Weak corrosive Weak corrosive   The main shape and connection dimensions Nominal diameter size m in L D D1 D2 b f n-Φd H H44H-150Lb 50 2 203 152 120.5 92 16 1.6 4-19 180 80 3 241 192 152.5 127 19 1.6 4-19 190 100 4 297 229 190.5 157 24 1.6 8-19 203 125 5 330 254 216 止回阀 Globe Valve Globe Valve Product Usage J41H, J41Y, J41W API American standard globe valve produced by Lianggong valve Co., Ltd. Its opening and closing part is a cylindrical valve flap, the sealing surface is flat or conical, and the valve flap moves linearly along the center line of the fluid. The API standard cut-off valve is only suitable for full opening and full closing. It is generally not used to adjust the flow rate. It can be adjusted and throttled when customized. Features 1. The structure is simple, the manufacture and maintenance are more convenient 2. Small working schedule and short opening and closing time 3. Good sealing performance, low friction between sealing surfaces and long service life Implementation standards Design Standard BS1873 JIS B2071-2081 Structure length ANSI B16.10, JISB2002 Pipe flanges ANSI B16.5, JIS B2212-2214 Butt end size ANSI B16.25 Inspection and Testing API598, JIS B2003 Transmission manual, electric, bevel gear   Performance parameters model J41H-150LB～2500LB J41Y-150LB～2500LB J41W-150LB～2500LB Work pressure（class） 150LB～2500LB proper temperature（℃） ≤425 ≤150 Suitable media Water, steam, oil Weak corrosive medium material Body, bonnet Carbon steel Chrome nickel-titanium stainless steel Valve stem Chrome stainless steel Chrome nickel-titanium stainless steel Sealing surface Surfacing iron-based alloys Hardfacing alloy Body material filler Asbestos graphite, flexible graphite, PTFE   The main shape and connection dimensions DN L D D1 D2 b Z-Φd H D0 150Lb 15 108 90 60.5 35 10 4-15 241 125 20 117 100 70 43 11 4-15 241 125 25 127 110 79.5 51 12 4-15 242 125 32 140 120 89 63 13 4-15 280 160 40 165 130 98.5 73 15 4-15 286 160 50 203 150 120.5 92 16 4-19 368 200 65 216 180 139.5 105 18 4-19 387 200 80 241 190 152.5 127 19 4-19 411 250 100 292 230 190.5 157 24 8-19 454 250 125 356 255 216 186 24 8-22 455 355 150 406 280 241.5 216 26 8-22 541 355 200 495 345 298.5 270 29 8-22 651 450 250 截止阀 Ball Valve Ball Valve Product Usage      Q347F PN16 ~ PN64 fixed ball valves are used on various pipelines of Class150 ~ Class1500, PN16 ~ PN64, JIS10K ~ JIS20K for cutting or connecting the medium in the pipeline. Different materials are available for water and steam , Oil, liquefied gas, natural gas, gas, nitric acid, acetic acid, oxidizing media, urea and other media.   Features 1. In a variety of valves, the ball valve flow resistance of the smallest, full-diameter ball valve open, the ball channel, valve body and connecting pipe diameter equal to a diameter, the media can flow almost no loss 2. The ball valve can be turned 90 ° fully open fully open, quick opening and closing. With the same specifications of the gate valve, globe valve comparison, the ball valve small size, light weight, easy to pipe installation   Performance parameters Model Q347F-16P Q347F-25P Working pressure（MPa） 1.6~2.5 Applicable temperature（℃） ≤180 Suitable media Weak corrosive medium Material Body, bonnet Chrome-nickel stainless steel Ball, stem Chrome-nickel stainless steel Sealing ring Flexible Graphite Gasket / 316 + Flexible Graphite Gasket Filler Teflon Main connection size PN DN L D K d Y b Z-d0 Ws Hs Hw Hd 1.6MPa 40 165 145 110 85 - 16 4-18 230 135 - - 50 203 160 125 100 - 16 4-18 260 150 - - 65 222 180 145 120 - 18 4-18 350 180 - - 80 241 195 160 135 - 20 8-18 500 195 - - 100 305 215 180 155 - 20 8-18 650 245 310 420 125 356 245 210 185 - 22 8-18 800 270 330 440 150 394 280 240 210 - 24 8-23 1000 295 390 470 200 457 335 295 265 - 26 12-23 - - 440 510 250 533 405 355 320 - 30 12-25 - - 490 560 300 610 460 410 375 - 30 12-25 - - 530 600 350 686 520 470 435 - 34 16-25 - - 球阀 Gate Valve Gate Valve Product Usage The Z40H American Standard Gate Valve produced by Lianggong valve Co., Ltd. is applicable to ANSI Class150 ~ 2500, PN20 ~ 42, JIS10 ~ 20K, working temperature -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel) pipeline, it is used to cut off or connect the medium in the pipeline. By choosing different materials, it can be applied to various media such as water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea. Features 1. The product design and manufacture meet the requirements of advanced foreign standards, with reliable sealing and excellent performance. 2. The structure is compact and reasonable, elegant in design. 3. Adopting wedge-type flexible gate structure, rolling bearings is set in medium and large diameter, easy to open and close. 4. Various valve body materials are available. Fillers and gaskets are reasonably selected according to actual working conditions or user requirements, and can be applied to various pressure, temperature and medium working conditions. 5. Adopting a variety of domestic and foreign piping flange standards and flange sealing surface types to meet the needs of various projects and user requirements. Executive Standard Design and Manufacturing: API 600 Flange size: ANSI B16.5 Structure length: ANSI B16.10 Pressure ~ Temperature: ANSI B16.34 Inspection and Testing: API 598 Performance parameters Nominal pressure（Lb) Strength test Water seal test Gas seal test MPa Lbf/in2 MPa Lbf/in2 MPa Lbf/in2 150 3.1 450 2.2 315 0.6 60 300 7.8 1125 5.6 815 0.6 60 600 15.3 2225 11.2 1630 0.6 60 The main part material Body, bonnet, gate WCB 1Cr18Ni9Ti CF8(304) CF3(304L) 1Cr18Ni12Mo2Ti CF8M(316) Sealing surface Cr13 or cemented carbide Body (W) or cemented carbide (Y) Stem and inner parts 2Cr13 1Cr18Ni9Ti 0Cr19Ni9(304) 00Cr19Ni11(304L) 1Cr18Ni12Mo2Ti 0Cr17Ni12Mo2(316) filler Flexible graphite Gasket Stainless steel spiral wound gasket Suitable media Water, steam, oil and so on Nitric acid and other corrosive media Strong oxidizing media Acetic acid and other corrosive media proper temperature -29~425℃ -40~500℃ The main shape and connection dimensions Nominal diameter The main dimensions and connection dimensions L D D1 D2 b Z-d H D0 150LB 50 178 150 120.5 92 16 4-Φ19 323 200 65 190 180 139.5 105 18 4-Φ19 347 250 80 203 190 152.5 127 19 4-Φ19 383 250 100 229 230 190.5 157 24 8-Φ19 457 300 125 254 255 216 185.7 24 8-Φ22 632 300 150 267 280 241.5 216 26 8-Φ22 635 350 200 292 345 298.5 270 29 8-Φ22 762 350 250 330 405 362 324 31 12-Φ25 895 400 300 356 485 432 381 32 12-Φ25 1080 500 350 闸阀 浙江省国际贸易展览有限公司 版权所有 开创网络 技术支持 地址：浙江省杭州市凤起路361号国都商务大厦西18楼 电话：0086-0571-87702814 87702801 85155855 87797446 邮件：admin@expozj.cn Copyright © 2019. www.expozj.cn All rights reserved 浙ICP备16047758号-1 Connect us