Trunnion Amounted Ball Valve

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Product
Trunnion Amounted Ball Valve
Posting date : Oct 16, 2014
Membership
Free Member Scince Oct 16, 2014
FOB Price
10-900 USD
Min. Order Quantity
1SET
Supply Abillity
5000 sets/per month
Port
Shanghai
Payment Terms
T/T,L/C, West Union,Money Gram
Package
composite wood box
Keyword :
Category
Contact
Li
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Product Detail
Company Info
 
Quick Detail
Place of Origin
China [CN]
Brand Name
MTV
HS-CODE
8540-89
Package & Delivery Lead Time
Package
composite wood box
Delivery Lead Time
30-60days
Specifications
Type of Certification
CE
Reference no.
1719
Name.
DNV BUSINESS ASSURANCE PRODUCTION SURVEILLANCE CERTIFICATE-EC
Issued By
Agrate Brianza
Start Date (validity period)
2012-09-07
End Date (validity period)
0000-00-00
Image

Detailed Description
The trunnion mounted ball valve is a new generation high-performance ball valve, suitable for long transportation pipelines and ordinary industrial pipelines. Special consideration has been given to its strength, safety, resistance to severe conditions during design. It is suitable for various corrosive and non-corrosive media. 
Different from floating ball valve, during the work of the trunnion mounted ball valve, the acting force produced by before-valve fluid pressure on the ball will be tatlly transferred to the bearing so that the ball will not move towards the seat. Therefore, the seat will not bear too high pressure. With such features as low torque, low seat deformation, stable sealing performance and long service life, teh trunnion performance and long service life, the trunnion mounted ball valve is suitable for high pressure and large size applications. The advanced spring preloaded seat assembly is provided with the self-tightening feature, realizing upstream sealing. Each valve has two seats, which realize sealing at each direction. Therefor,there is no limit to the flow direction during installation.
The trunnion mounted ball valves adopt two kinds of body structures such as two-piece type and three-piece type. The middle flange is bolted. Reinforced PTFE is embedded as the seal into the stainless steel ring. The spring is mounted at the back of the steel ring to ensure that the seat is kept close to the ball and maintain sealing. The upper and lower stems are provided with the PTFE bearing, which reduces friction with labor-saving operation. The adjusting piece is set at the bottom of the small shaft to ensure the position where the ball contacts the seal ring. 
It has following features;
1.Blow-out proof stem
2.Antistatic device
3.Super fire safe design
4.Internal leakage prevention
5.Emergency sealant injection system
6.Double block and bleed
7.Self relieving seats(single piston effect)
8.Double piston effect seats
9.Upstream self relieving seat and downstream double piston effect seat

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