国产精品免费麻豆入口丨337p粉嫩大胆噜噜噜丨国产日韩一区二区三区在线观看丨欧美激情综合亚洲一二区丨国产成人精品亚洲一区

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: 国产精品爱久久久久久久电影蜜臀| 亚洲四区| 久久天天躁夜夜躁狠狠躁2022 | 亚洲玖玖玖| 一进一出一爽又粗又大| 成年人三级视频| 精品欧美一区二区在线观看| 中文字幕妇偷乱视频在线观 | 亚洲人人夜夜澡人人爽| 国产av国片精品有毛| 337p日本欧洲亚洲大胆精品555588| 边吃奶边添下面好爽| 成人福利在线看| 亚洲一区二区三区四区五区六区| 色噜噜狠狠一区二| 性高湖久久久久久久久| 饥渴少妇高潮视频大全| 精品视频一区二区三区在线观看 | 亚洲国产精品原创巨作av| 久久精品1| 麻豆果冻传媒2021精品传媒一区下载 | 一个色av| 中文字幕无线码免费人妻| 国产欧美另类| 久久丫精品久久丫| 亚洲国产av无码精品| 暴力调教一区二区三区| 91视频合集| 亚洲欧美国产精品久久久久久久| 午夜福利国产成人a∨在线观看| 国产精品无码专区| 懂色av一区二区三区在线播放| 亚洲国产精品无码一区二区三区 | 国产午夜亚洲精品午夜鲁丝片| 美女黄频视频大全免费的国内| 国产成年无码久久久久毛片| 在线 | 一区二区三区| 国产精品久久久久久爽爽爽|