午夜精品久久久久久久2023-午夜精品久久久久久久90蜜桃-午夜精品久久久久久久99-午夜精品久久久久久久99热-午夜精品久久久久久久99热浪潮-午夜精品久久久久久久第一页

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: 曰批全过程免费视视频观看 | 久久国产经典 | 午夜网站在线播放 | 欧美a欧美乱码一二三四区 欧美a色爱欧美综合v | 国产午夜亚洲精品久久999 | 日韩欧美三级 | 欧美精品毛片 | 四虎黄色 | 两个人看的www视频中文字幕 | 久久久久久久久久久大尺度免费视频 | 中文字幕一区二区三区在线播放 | 国产高清在线精品一区a | 伊人久久网站 | 精品成人免费一区二区在线播放 | 9久久9久久精品 | 九九影院理伦片私人影院 | 国产女人好爽好多水 | 极品丰满白嫩肥臀大乳美女 | 啪啪免费视频网站 | 麻豆69堂免费视频 | 亚洲精品欧美日韩 | 欧美性狂猛bbbbbxxxxx | 国产日韩免费 | 久久涩综合| 色老头在线观看精品 | 日韩手机看片福利精品 | 波多野结衣一区 | 国产精品亚洲综合久久 | 亚洲日本中文字幕在线 | 国产精品欧美日韩一区二区 | 91短视频在线播放 | 99久久精品国产片 | 日本一级毛片视频网站 | 四虎国产成人永久精品免费 | 亚洲欧美日韩中文不卡 | 草草国产 | 国产伦精品一区三区视频 | 亚洲乱亚洲乱妇13p 亚洲伦理久久 | 噜噜狠狠| 青青青视频免费观看 | 日韩手机看片福利精品 |