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良工阀门集团有限公司

良工阀门集团有限公司

良工阀门集团有限公司，注册资金2.58亿元，是一家集设计、研发、制造和销售于一体的股份制集团公司。总部位于空港新区港强路32号，集团公司拥有温州、丽水，下辖9家全资控股子公司，在各地设有120多家销售网点，年销售额逐年飞速增长。 良工集团发展至今，获有中华人民共和国特种设备生产许可证“TS”,美国石油协会API-6D认证，API-607防火球阀认证,ISO9001:2015质量管理体系认证，ISO14001：2015环境管理体系认证，GB/T28001-2011职业健康安全管理体系认证，欧共体CE认证，集团公司是：地区高新技术企业、新奥燃气指定合格供应商，中石化合格供应商，中国化工部定点单位、中国化工部集团供应商、延长油田合格供应商、宁夏水利厅合格供应商、军队物资采购合格供应商、工程建设推荐产品会员、浙江省高新技术企业研发中心、浙江省企业研究院、浙江省制造精品企业、浙江省诚信企业、、浙江省知名商号企业、浙江省守合同重信用企业、银行信用AAA级企业、温州市知名商标、中国阀门城功勋企业。 良工集团本着“以质量求生存、以信誉谋发展”的企业宗旨，遵循“团队、人才、拼搏、创新”的企业精神，本集团专业生产有超低温阀、高温高压阀、油田阀、高中压阀门等，行业标准系列产品。产品广泛适用于水利、电力、燃气、煤矿、石油化工、能源、环保、医药、冶金、矿业等多个领域。凭借多年的努力与创新，荣获地区高新技术企业；并在中石油、中石化、中海油、化工、五大电力集团、能源环保等领域拥有一级入网证书。科技与质量的创新是企业发展的一大“主题”。良工阀门集团拥有雄厚的技术开发力量，初步形成了以集团技术研究开发中心、专业技术处为主体的多层次开放式技术开发网络和集科研、教育、培训、开发为一体的“科技链”。集团科研中心被认定为省级高新研究开发中心，温州市企业技术中心！建立了温州阀门智能化阀门检测试验设备，数十人组成的质量检验队伍和 “总裁质量巡视制度”、“董事长质量专线”，开展“质量月”及“质量年”活动等卓有成效的工作，保证了集团质量管理工作的顺利开展。 良工集团一直努力于实施经营战略和营销体系的建设。在目前拥有国内销售网点100多家的基础上，集团将利用3年左右时间，建立以省城和主要工业城市为中心，以地级城市为重点，以县级城市为辐射的三级分销体系和服务网络，建成国内阀门行业更具规模和较为完善的营销服务体系，能做到对市场信息和用户需求快速反应，为广大用户提供高品质的产品和便捷的售前、售中、售后服务，真正体现了良工让用户满意、、全过程、超值服务的营销特色。 良工坚持“良工巧匠、至臻品质”的8字方针，大力开展企业文化建设。积极创新创效，结合开展“创新，务实，科学，和谐”的企业精神，在集团上下努力形成一种“讲学习、讲政治、讲正气、比创新、比发展、比奉献”的浓厚氛围。为使企业员工业务水平、综合素质与企业同步协调发展。 良工的健康快速发展受到了各级领导、专家及用户的密切关注，MAST公司总裁Sabri，原浙江省人大常委会副主任、温州市委书记张友余，兰州理工大学博导、教授杜兆年、大唐电力公司、山东鲁能电力集团、华能集团等领导、专家或客户曾莅临良工视察。良工阀门集团先后被评为“中国泵阀之乡20强”企业，浙江省科技型企业，温州市科技型企业，龙湾区区长质量奖，诚信创业民营企业，温州市明星企业、纳税大户，温州市“五个一批”重点骨干企业等。 面对经济全球化的挑战，良工人决心立足工业阀门，坚持“国际化、科技化、产业化”发展方向，不断创新，大力引进设备、技术和人才，努力打造制造业基地，整合资源、发挥，增加新的经济增长点，努力将“良工”塑造成长盛不衰的知名企业。

创建时间：

产品类别：阀门泵阀

职务：外贸部经理

网址：chinalianggong.com

出口国家：

展品名称：闸阀，球阀，截止阀，止回阀，蝶阀

最小起订量：1

订货交付时间：5-30天

认证：API, CE, ISO, EAC

买家类型：制造商

与他联系
企业介绍
企业环境
产品展示

良工阀门集团有限公司，注册资金2.58亿元，是一家集设计、研发、制造和销售于一体的股份制集团公司。总部位于空港新区港强路32号，集团公司拥有温州、丽水，下辖9家全资控股子公司，在各地设有120多家销售网点，年销售额逐年飞速增长。

良工集团发展至今，获有中华人民共和国特种设备生产许可证“TS”,美国石油协会API-6D认证，API-607防火球阀认证,ISO9001:2015质量管理体系认证，ISO14001：2015环境管理体系认证，GB/T28001-2011职业健康安全管理体系认证，欧共体CE认证，集团公司是：地区高新技术企业、新奥燃气指定合格供应商，中石化合格供应商，中国化工部定点单位、中国化工部集团供应商、延长油田合格供应商、宁夏水利厅合格供应商、军队物资采购合格供应商、工程建设推荐产品会员、浙江省高新技术企业研发中心、浙江省企业研究院、浙江省制造精品企业、浙江省诚信企业、、浙江省知名商号企业、浙江省守合同重信用企业、银行信用AAA级企业、温州市知名商标、中国阀门城功勋企业。

良工集团本着“以质量求生存、以信誉谋发展”的企业宗旨，遵循“团队、人才、拼搏、创新”的企业精神，本集团专业生产有超低温阀、高温高压阀、油田阀、高中压阀门等，行业标准系列产品。产品广泛适用于水利、电力、燃气、煤矿、石油化工、能源、环保、医药、冶金、矿业等多个领域。凭借多年的努力与创新，荣获地区高新技术企业；并在中石油、中石化、中海油、化工、五大电力集团、能源环保等领域拥有一级入网证书。科技与质量的创新是企业发展的一大“主题”。良工阀门集团拥有雄厚的技术开发力量，初步形成了以集团技术研究开发中心、专业技术处为主体的多层次开放式技术开发网络和集科研、教育、培训、开发为一体的“科技链”。集团科研中心被认定为省级高新研究开发中心，温州市企业技术中心！建立了温州阀门智能化阀门检测试验设备，数十人组成的质量检验队伍和 “总裁质量巡视制度”、“董事长质量专线”，开展“质量月”及“质量年”活动等卓有成效的工作，保证了集团质量管理工作的顺利开展。

良工集团一直努力于实施经营战略和营销体系的建设。在目前拥有国内销售网点100多家的基础上，集团将利用3年左右时间，建立以省城和主要工业城市为中心，以地级城市为重点，以县级城市为辐射的三级分销体系和服务网络，建成国内阀门行业更具规模和较为完善的营销服务体系，能做到对市场信息和用户需求快速反应，为广大用户提供高品质的产品和便捷的售前、售中、售后服务，真正体现了良工让用户满意、、全过程、超值服务的营销特色。

良工坚持“良工巧匠、至臻品质”的8字方针，大力开展企业文化建设。积极创新创效，结合开展“创新，务实，科学，和谐”的企业精神，在集团上下努力形成一种“讲学习、讲政治、讲正气、比创新、比发展、比奉献”的浓厚氛围。为使企业员工业务水平、综合素质与企业同步协调发展。

良工的健康快速发展受到了各级领导、专家及用户的密切关注，MAST公司总裁Sabri，原浙江省人大常委会副主任、温州市委书记张友余，兰州理工大学博导、教授杜兆年、大唐电力公司、山东鲁能电力集团、华能集团等领导、专家或客户曾莅临良工视察。良工阀门集团先后被评为“中国泵阀之乡20强”企业，浙江省科技型企业，温州市科技型企业，龙湾区区长质量奖，诚信创业民营企业，温州市明星企业、纳税大户，温州市“五个一批”重点骨干企业等。

面对经济全球化的挑战，良工人决心立足工业阀门，坚持“国际化、科技化、产业化”发展方向，不断创新，大力引进设备、技术和人才，努力打造制造业基地，整合资源、发挥，增加新的经济增长点，努力将“良工”塑造成长盛不衰的知名企业。


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蝶阀

蝶阀

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

Nominal diameter

DN（mm）

50-4000

Nominal pressure

PN（MPa)

1.0

1.6

2.5

test pressure

Strength test

1.5

2.4

3.75

Seal test

1.1

1.76

2.75

Gas seal test

0.6

0.6

0.6

 

Product parts materials

model

D343H-16

D343W-16P

D343W-16R

Work pressure（MPa）

1.6

Suitable temperature（℃）

≤425

≤200

Suitable media

Water, oil or non-corrosive media

Nitric acid medium

Acetic acid medium

material

Body, disc

WCB

CF8/304

CF3M/316L

Valve stem

2Cr13

304

316L

Valve stem

Surfacing507

－

－

Butterfly sealing surface

304＋Flexible graphite

304＋PTFE

304＋PTFE

filler

Flexible graphite

PTFE

PTFE

 

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

止回阀

止回阀

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

截止阀

截止阀

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

球阀

球阀

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

闸阀

闸阀

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

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