AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级

Pneumatic High Performance Butterfly Valve

-Size:DN50~DN1200
-Connection standard:JB/T79.1,JB/T79.2,HG20615,ASME B16.5,ASME B16.47
-Working temperature:-19~425℃
-Working pressure:1.6~6.3Mpa
-Body:WCB、Stainless steel
-Disc:SS304、SS316、SS316L
-Medium: Strong acid, alkali and oxidant 
-Operating:pneumatic


Ordering hotline:021-54150349

Immediately consult
  • Product introduction
  • Product parameters
High performance butterfly valve is a new type butterfly valve designed on the basis of absorbing the advantages of several butterfly valves with different structures. The valve disc sealing surface of this butterfly valve is spherical arc, and the sealing mechanism achieves a real dynamic sealing through the system pressure, so it has excellent cutting performance and durability. Design features: epoxy coating, double offset design, one-way medium flow direction of explosion-proof rod (indicated by arrow of valve body). Metal seal can be applied to medium with slight particles and slurry, which has almost no friction and ensures less torque and better sealing.

1. Positioning plug
2. Seat retaining plate
3. Round stud
4. Disc
5. Seat
6. Bearing assembly
7. Stem
8. Stem seal
9. Body


AV综合小说网_精品少妇视频_亚洲无码av高清电影_8090AV_人与动物成人免费网站_美女毛片一级a级
成人黄色AV网| 超碰97人人看| 人人干av| 黄色成人av| 婷婷五月天激情四射啊| 成人色色AV| AV亚洲导航| av五月| 国产AV日韩| 久久久久97| !日韩AV免费播放| a a黄色网址| 狼友三级,COM| 91jiucao| a片欧美日韩| 性爱av在线| 日韩无码小说| 日本东京热婷婷| 五月天色色网站av| 亚洲毛毛无码黄色| 久草黄色电影| 美美导航国产一区| av天堂成人| 牛牛热免费aV| 春色激情站| 美女A级毛片| 免费的AV网站| 亚洲a人妻| 美女黄禁大片免费观看| AV天堂色色| 玖玖成人网| 国产AV五码日| av小电影地址| 日韩精品无码久久| 日韩精品AV大香蕉| 操日本人妻| AAAA级黄色片少妇| 9966中文字幕| www、成人片C0m| AV黑人在线| 成人色a|