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: 亚洲欧洲中文日韩久久av乱码| 国产极品在线观看| 国产做受蜜臀| 亚洲aⅴ综合av国产八av| 一区二区无码免费视频网站 | aa黄色大片| 成码无人av片在线观看网站| 男女性爽大片视频| 久久亚洲精品国产亚洲老地址| 成人无遮挡18禁免费视频| 国产ts人妖一区二区| 少妇呻吟内裤揉搓水| 色先锋av资源中文字幕| 国产精品综合色区在线观看| 一级黄色美女视频| 熟女人妻av五十路六十路| 性欧美xxx内谢| 无码一区二区三区中文字幕| 屁屁影院ccyy备用地址| 欧美精品在线免费| 成年男人裸j网站| 国产精品爆乳在线播放第一人称 | 欧美成在线| 人妻体体内射精一区二区| 久久久一区二区三区四区| 97伦伦午夜电影理伦片| 天天干天天干天天干| 日日摸天天摸爽爽狠狠97 | 日韩字幕| 91色乱码一区二区三区| 尤物yw193无码点击进入| 久久久综合亚洲色一区二区三区| 1000部啪啪未满十八勿入下载| 欧美精品亚洲| 成人精品一区二区三区在线观看| 无码人妻精品一区二区蜜桃百度| 亚洲乱视频| 日韩人妻无码一区二区三区综合部|