China 65 Years Factory Gate Valve/Air Relief Valve /Half Ball Valve/Non-Return Valve/Butterfly Valve
Product Descriptionchina 65 years factory gate valve/air relief valve /half ball valve/non-return valve/butterfly valve Tianjin Tanggu TWT Valve Co.,Ltd. was founded in 1956, the total registered capital of 140000000 RMB, covers an area of 100 acres, has 35000 square meters factory1980,TWT cooperate......
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Product Description
china 65 years factory gate valve/air relief valve /half ball valve/non-return valve/butterfly valve
Tianjin Tanggu TWT Valve Co.,Ltd. was founded in 1956, the total registered capital of 140000000 RMB, covers an area of 100 acres, has 35000 square meters factory
1980,TWT cooperated with Germany Marker Compan,to develop ,design,product the first butterfly valve in china
1994,Established a Sino-US joint venture and became an international large-scale manufacturing enterprise
2007, the wholly-owned holding factory of Watts Valve Company of the United States became its main global manufacturing center
2008, General Electric Group (Hong Kong) Co., Ltd. acquired the TWT factory and the Tianjin Watts factory, and established a large-scale R&D and testing center, enabling TWT to maintain a leading position in the global valve manufacturing industry
Certification:ISO9001/IOS14001/CE/OHSAS18001/China Classification Society
TWT valve company has a large machining workshop and an assembly workshop, and has CNC lathes, vertical lathes,drilling,boring,milling machines, planers, etc.
TWT valve company has a large laboratory,have hardness tester, carbon and sulfur analyzer, universal material testing machine, rubber fatigue testing machine, spectrometer, impact testing machine, image measuring instrument, and non-destructive testing equipment such UT/MT/PT etc
TWT valve company can complete chemical composition testing, mechanical performance testing, surface treatment testing, and NDT, can issue testing reports.
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:
- Body/Disc: Ductile Iron: ASTM A536 60-40-18/ DIN1693 GGG40,GGG55
- Shaft: Stainless Steel: ASTM A182 304/316/420/ Duplex Steel
- 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
Q1.Whether it is a factory?
A:yes we are factory have more than 60 years valve production experience
Q2.Can i have any own customized product?
A:yes you are customized requirements for standard,size,colour,packing,nameplate,mark,etc
Q3.Do you provide samples?
A:yes we can provide the samples but do not pay the charge of freight
Q4.What's your terms of payment?
A:30% in advance 70% balance before shipment
Q5.Is there any testing equipment
A:Yes, we have pressure testing equipment, and large-scale laboratories and non-destructive testing equipment
