国产自偷亚洲精品页35页,粗大猛烈进出呻吟声视频,老太性开放bbwbbwbbw,狠狠色综合网站久久久久久久,性xxxxx瑜伽,三级成年网站在线观看级爱网,欧美猛少妇色xxxxx,吃奶揉捏奶头高潮视频在线观看

Pneumatic globe valves

Products > Globe valve > Pneumatic globe valves

Pneumatic globe valves

Model: J641H
Nominal diameter: DN50 ~ 300mm
Nominal: PN1.6 ~ 4.0MPa
Temperature: -30 ℃ ~ 800 ℃
Suitable medium: water, oil, steam
Main material: WCB, chromium-molybdenum steel, chromium molybdenum Vanadium steel, 304 stainless steel
Design criteria: GB / T 12235
Connection standard: butt end BW: according to GB / T 12224; flanged end RF: Press JB79, GB / T 9113, HG20592
Inspection and testing: GB / T 13927 , JB / T 9092
Contact purchase
shared:

1.Product overview

Pneumatic valve opening and closing pieces of plug-shaped flap, the sealing surface was flat or tapered surface, the valve flap along the center line of the fluid for linear motion. Stem movement form, lifting rod (stem lift, hand wheel does not lift), there are lifting rotary rod (hand wheel with the stem rotating together, the nut is located in the valve body). Globe valve only applies to fully open and fully closed, does not allow for regulation and throttling.


2.Valve Features

1 , Selection of sophisticated, in line with domestic and foreign standards, reasonable structure, handsome in appearance.

2 , the valve disc, seat sealing surface using iron-based alloy surfacing or Stellite ( Stellite ) cobalt-based hardfacing from welding, wear-resistant, high temperature, corrosion resistance, good scratch resistance, long life .

3 , the stem by quenching and nitriding surface treatment, good corrosion resistance and scratch resistance.

4 , Can adopt all kinds of pipe flange standard and flange sealing surface type, to meet various engineering needs and user requirements.

5 , the full range of valve materials, packing, gaskets can be reasonable according to the actual conditions or user requirements matching, can be applied to a variety of pressure, temperature and media conditions.

6 , inverted seal using threaded seal seat or body made of welded austenitic stainless steel, sealed, replace the filler can be carried out without downtime, convenient and does not affect the system operation.


3.Adaptations
 Pneumatic globe valve is the industrial automation and control system in the implementation of an important body, remote control can be centralized to meet the needs of computer-controlled; now in the petrochemical industry, gas equipment, nuclear industry, power equipment, environmental water treatment, HVAC, steel metallurgy , Industrial kiln, canning equipment, brewing equipment, drying equipment, vacuum equipment, surface treatment, biological pharmacy, food machinery, textile printing and dyeing, paper making and other industries. It is also the first choice of national defense construction and science and technology construction.


4.Main dimensions

PN (MPa)DN (mm)standard valueReference
LDD1n2D6bff1Z-φdL1H
1.650230160125100
163
4-φ18185645
65290180145120
183
4-φ18232690
80310195160135
203
8-φ18232715
100350215180155
203
8-φ18232770
125400254210185
223
8-φ18283780
150480280240210
243
8-φ23283810
200600335295265
263
12-φ23283967
250622405355320
303
12-φ252831143
300698460410375
304
12-φ252831292
2.550230160125100
203
4-φ18185645
65290180145120
223
8-φ18232690
80310195160135
223
8-φ18232715
100350230190160
243
8-φ23232770
125400270220188
283
8-φ25283780
150480300250218
303
8-φ25283810
200600360310278
343
12-φ25283967
250622425370332
363
12-φ302831143
300698485430390
404
16-φ302831292
4.0502301601251008820344-φ18185645
6529018014512011022348-φ18232690
8031019516013512122348-φ18232715
1003502301901601502434.58-φ23232770
1254002702201881762834.58-φ25283782
1504803002502182043034.58-φ25283875
2006003753202822603834.512-φ302831160
主站蜘蛛池模板: 亚洲欧美成人综合图区| 国产精品自在线拍国产第一页 | 一本色道久久东京热| 久久精品无码一区二区三区不卡| 欧美18videosex性欧美黑吊| 久艾草在线精品视频在线观看| av天堂亚洲区无码小次郎| 久久精品成人免费国产片| 中文字幕制服丝袜人妻动态图 | 久久婷婷人人澡人人爽人人喊| 欧美成人免费全部观看国产| 欧洲美女黑人粗性暴交| 国产精品毛片更新无码| 最新国产麻豆aⅴ精品无码| 欧美牲交a欧美牲交aⅴ图片| 欧洲国产在线精品手机版 | 蜜臀视频在线一区二区三区| 在线亚洲精品国产一区二区| 18禁在线永久免费观看| 色婷婷亚洲婷婷五月| 综合成人亚洲网友偷自拍| av人摸人人人澡人人超碰妓女| 精品视频国产狼友视频| 热久久国产欧美一区二区精品 | 中文字幕无码免费不卡视频| 免费人成网站在线观看欧美| 国产精品成人99久久久久 | 欧美阿v高清资源不卡在线播放 | 另类亚洲小说图片综合区| 精品九九人人做人人爱| 激情都市 校园 人妻 武侠| 美国一区二区三区无码视频| 久久99热只有频精品8| 亚洲亚洲人成无码网www| 国产韩国精品一区二区三区| 国产美女爽到喷出水来视频| 亚洲在战av极品无码| 丰满熟妇乱又伦精品| 久久人午夜亚洲精品无码区| 欧美制服丝袜人妻另类 | 色久悠悠婷婷综合在线亚洲|