TWT china valve factory gate valve/needle valve/eccentric semi ball valve/air relief valve/butterfly valve

Tianjin Tanggu TWT Valve Co., Ltd. was founded in 1956, is a collection development, production, sales, after sale service in one integrated company, the total registered capital of 140000000 yuan, covers an area of 100 acres, has 35000 square meters factory, design, manufacturing and testing center has a modern, butterfly valve, gate valve, globe production valve, ball valve, check valve, hydraulic control valves and other valves. As a more than 60 years has been engaged in the development and manufacture of industrial water valve industry pioneer

We will be the safety of product quality and high reliability as the life of enterprise, in China valve industry, we first obtain the DNV issued by the ISO9001 quality system certification, IOS14001 environmental management certification, and achieved the EU Pressure Equipment Directive 97/23/EC (CE certification), the classification method in OHSAS18001 certification, China Kr factory certification.

  TWT valve company is the birthplace of china's first butterfly valve 
 

Butterfly valve

Nominal Diameter of concentric butterfly valve: DN100-DN1400

Nominal Diameter of eccentric butterfly valve: DN100-DN4000

Nominal Pressure: 10Bar,16Bar,25Bar,Class 125,Class 150

Design Standard:  API609,AWWA C504,DIN3354,BS5155,EN593

Face To Face:  API609,ASME B16.10,DIN3202,EN558-1,ISO5752

Flange Connection: ASME B16.5/ASME B16.47

Inspection and Test:    EN12266-1/API 598/ISO5208

Material list:

1. Body/Disc: Ductile Iron:   ASTM A536 60-40-18/ DIN1693 GGG40,GGG55
2. Shaft: Stainless Steel:    ASTM A182 304/316/420/ Duplex Steel
3. Sealing:EPDM/NBR

ize:DN50-1600

Pressure:PN1.0-1.6Mpa

Design& product standard:API600/DIN3352/EN10434/BS5163

Face to face dimension:ANSI B16.10/DIN3202 F4,F5/BS5163

flange drilling:ANSI B16.5

Test standard:API598/ISO5208

Eccentric semi ball valve

Size:DN50-2000
Pressure:PN1.0-6.4Mpa
Temp:-29ºC-425ºC
Actuator:Worm gear,electrci ,pneumatic 
Flange connection:BS4504/ISO7005/DIN2501 PN1.0Mpa,PN1.6Mpa

Air relief valve

Size:DN25-DN300
Pressure:PN1.0-1.6Mpa
Temp:0ºC-90ºC
Main materials:cast iron,ductile iron,stainless steel
Connection type:Thread,Flang

Plunger (needle )valve 

Size:DN100-2200
Pressure:PN0.6-6.4Mpa
Temp:-20ºC-220ºC
can be divided in to fan coil type,cage type and special design(customizable)
such as 1.The porous cylinder 
              2.Conical adjusting type 
              3.Multi stage cage
              4.Throttle ring 

valves applicated on site in various major projects 

More than 60 years of valve production experience
with advanced processing equipment
large testing laboratories
and sufficient raw material reserves