无码人妻久久久一区二区三区-女人被男人躁得好爽免费视频-国产日韩在线时看高清视频-91娇喘????白丝动漫-久久婷婷五月综合色精品

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: 天天躁夜夜躁狠狠躁婷婷| 亚洲精品专区成人网站 | 久久综合狠狠综合久久综合88| 人人妻人人爽| 40岁成熟女人牲交片| 人妻出轨av中文字幕| 亚洲国产人在线播放首页| 成av人片在线观看天堂无码| 国产一区丝袜高跟鞋| 狠狠躁夜夜躁青青草原软件| 天干夜天干天天天爽视频| 午夜福利国产成人无码gif动图| 免费无码黄网站在线观看| 亚洲日韩国产精品无码av| 亚洲在战av极品无码| 成人国产亚洲精品a区| 久久国产精品成人无码网站| 精品一区二区无码免费| 在线观看国产精品普通话对白精品 | 日日橹狠狠爱欧美超碰| 国产午夜视频在线观看| 18禁裸乳无遮挡啪啪无码免费| 精品无码久久久久久久动漫| 国产999精品久久久久久| 狠狠躁18三区二区一区| 国产成人亚洲综合无码| 男女无遮挡xx00动态图120秒| 精品国产av一区二区三区| 国产又色又爽又刺激在线播放| 性欧美熟妇videofreesex| 亚洲无人区一区二区三区| 一区二区三区无码按摩精油| 国产ww久久久久久久久久| 大香网伊人久久综合网2018| 国产成人麻豆精品午夜福利在线| 国产在线精品一区二区在线看| 日韩免费无码视频一区二区三区| 欧美xxxxx性喷潮| 国产欧美另类精品久久久| 色欲视频综合免费天天| 亚洲不卡中文字幕无码|