香蕉人妻av久久久久天天-色午夜一av男人的天堂-国产精品亚洲精品日韩已满十八小-久久精品国产9久久综合-欧美 日韩 亚洲 精品二区

Fire special open pole seat flexible seat

Products > Gate valve > Fire special open pole seat flexible seat

Fire special open pole seat flexible seat

Model: RRHX
Nominal diameter: DN50 ~ 600mm
Nominal pressure: PN1.0 ~ 2.5MPa
Operating temperature: 0 ~ 120 ℃
Suitable medium: water, oil, gas, etc.
Flange Standard: GB / T17241.6 GB9113
Test Standard: GB / T13927 API598
Contact purchase
shared:

Overview        for fire the next shot resilient seated gate valve in addition has the advantage that the outer elastic , and can be more visually shows valve opening , the opening and closing rapidly and reliably . So often used in fire protection systems and industrial ,usually installed in a high position from the ground . Widely It is used as regulating and intercepting device in liquid lines such as tap water, sewage, construction, petroleum, chemical, food, medicine, textile, electricity, shipbuilding, metallurgy and energy system.


Pressure test

Nominal pressure 
     PN (MPa)

Strength test

Water Seal / Upper Seal Test

Gas seal test

1.5 * PN (MPa)

1.1 * PN (MPa)

0.5-0.7 (MPa)

1.0

1.5

1.1

0.6 MPa

1.6

2.4

1.8

2.5

3.8

2.8


RRHX fire special
 rod seat flexible block main parts and components list of materials

Serial number

Part Name

Material

1

Handwheel

Malleable iron

2

Stem nut

Copper alloy

3

Bracket

Gray cast iron, ductile iron, cast steel

4

Gland

Ductile iron, cast steel

5

Sealing ring

NBR, EPDM

6

Valve stem

stainless steel

7

Flange gasket

NBR, EPDM

8

gate

Ductile iron coated EPDM or NBR

9

Body

Gray cast iron, ductile iron, cast steel

 

RRHX Fire special rod seat flexible block main connection Dimensions : ( unit : mm)

DN

50

65

80

100

125

150

200

250

300

350

400

450

500

600

L

178

190

203

229

254

267

292

330

356

381

406

432

457

508

Hmin ( all off )

313

332

375

425

498

562

680

838

950

1010

1220

1280

1480

1665

Hmax ( fully open )

355

375

415

475

540

605

720

875

990

1050

1245

1310

1560

1750


主站蜘蛛池模板: 精品熟人妻一区二区三区四区不卡| 亚洲精品成人片在线观看精品字幕| 中字幕人妻一区二区三区 | 天干天干啦夜天干天2017| 亚洲精品一区二区三区精品| 久久久久99精品成人片欧美一区| 真人性囗交69视频| 东京热一本无码av| 国内揄拍国内精品人妻浪潮av| 不卡无码人妻一区二区三区| r级无码视频在线观看| 免费观看18禁无遮挡真人网站| 十八岁以下禁止观看黄下载链接| 中文字幕久久熟女蜜桃| 久久久午夜精品福利内容| 亚洲精品无码久久| 久久国产精品无码一区二区三区| 波多野结衣乳巨码无在线观看| 人人做人人妻人人精| 最近中文2019字幕第二页| 少妇人妻大乳在线视频| 欧美精品在线观看| 18禁美女黄网站色大片免费看| 色翁荡息又大又硬又粗又爽电影| 97人人模人人爽人人少妇| 日韩中文字幕区一区有砖一区| 国产精品网站在线观看免费传媒| 久久人妻无码一区二区| 一区二区国产高清视频在线| 国产免费久久久久久无码| 国产精品久久久久久久妇| 国产在视频线精品视频| 久久精品无码一区二区无码| 亚洲欧美精品综合在线观看| 上司人妻互换hd无码中文| 六月婷婷国产精品综合| 亚洲色成人一区二区三区| 动漫美女h黄动漫在线观看| 美乳丰满人妻无码视频| 日日干夜夜操高清视频| 苍井空毛片精品久久久|