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: 免费久久精品 | 国产一区风间由美在线观看 | 中文字幕在线视频观看 | 久久国产精品一国产精品 | 1024国产手机视频基地 | 吃奶添下面大尺度视频 | 国产亚洲精品美女久久久久久2021 | 高级黄区18勿进蜜桃视频 | 亚洲国产午夜看片 | 日本一区二区免费在线 | 欧美日韩不卡码一区二区三区 | 韩国日本一级毛片免费视频 | 国产成人愉拍精品 | 99热久久| 久久bt核合涩工厂亚洲合集 | 男人天堂网www | 日本免费专区 | 日韩视频免费一区二区三区 | 四虎亚洲国产成人久久精品 | 日本 a| 亚洲黄色高清视频 | 国产视频一二区 | 国产欧美精品一区二区 | 亚洲精品动漫3d一区二区 | www.爱爱| 91日本在线视频 | 欧美日韩一区二区不卡三区 | 国产女人视频 | 伊人免费视频二 | 亚洲人成在线播放网站岛国 | 在线播放 亚洲 | 成人嫩草研究院永久网址 | 国产女人在线 | 久久国产经典 | 台湾三级香港三级经典三在线 | 欧美成人午夜毛片免费影院 | 午夜影院小视频 | 国产精品久久久久久网站 | 久久综合九色综合97婷婷女人 | 欧美三级色图 | 久久久久久亚洲精品影院 |