精品香蕉在线观看视频丨日韩高清在线观看不卡一区二区丨在线日本国产成人免费不卡丨老狼精品无码AV在线播放丨国产一区二区三区电影在线

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: 浙江省| 盐池县| 桃园县| 新乡县| 赣州市| 朝阳区| 吉木乃县| 灯塔市| 长沙市| 南陵县| 扬州市| 行唐县| 乌兰察布市| 镇巴县| 靖远县| 铅山县| 甘谷县| 方城县| 英德市| 专栏| 晋城| 茂名市| 斗六市| 榆社县| 麟游县| 宜黄县| 承德县| 新津县| 左权县| 区。| 海伦市| 福清市| 仁布县| 姜堰市| 固始县| 巴彦淖尔市| 枞阳县| 绥棱县| 黄骅市| 湛江市| 镇康县|