美女av一区二区三区-亚洲日产韩国一二三四区-精品久久久久中文字幕加勒比-欧美饥渴少妇xxxxx性-中文字幕日韩人妻在线视频

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: 久久人妻少妇嫩草av蜜桃| 丰满少妇弄高潮了www| 香港三级日本三级a视频| 国产熟妇与子伦hd| 少妇久久久久久被弄到高潮| 国产成人综合在线观看不卡| 国产精品99久久99久久久不卡 | 国产呻吟久久久久久久92| 久久精品国产只有精品66| 美女扒开大腿让男人桶| 精品高潮呻吟99av无码视频| 国产小视频在线观看网站| 乱码视频午夜在线观看| 国产成人亚洲精品无码蜜芽| 亚洲成aⅴ人片精品久久久久久| 欧美狠狠入鲁的视频| 少妇午夜福利水多多| 女人与牲口性恔配视频免费| 成熟老妇女视频| 一群黑人大战亚裔女在线播放| 久久久女人与动物群交毛片| 妇女性内射冈站hdwwwooo| 精品国产第一国产综合精品| 国产激情久久久久影院小草| 亚洲第一极品精品无码| 国产精品一区波多野结衣| 自拍偷在线精品自拍偷无码专区 | 热99re久久精品这里都是精品免费| 日本阿v片在线播放免费| 97无码视频在线看视频| 五月丁香六月综合av| 国产精品久久久| 色诱久久久久综合网ywww| 精品国品一二三产品区别在线观看| 97超碰人人人人人人少妇| 日本乱人伦在线观看| 午夜福利一区二区三区在线观看| 免费无码又爽又刺激高潮的动态图 | 日韩人妻无码一本二本三本| 日韩视频无码免费一区=区三区| 狠狠躁夜夜躁人人爽天天不卡软件|