Underground High-Performance Fully Welded Ball Valve

Continuous investment in research and development allows us to deliver innovative, efficient and practical Cast Floating Ball Valve, Gate Valves, Titanium Alloy Valves that is manufactured to the strictest quality and safety standards. We sincerely welcome domestic and foreign customers to visit our company, and maintain long-term contact and cooperation with us. Our company strives for the development by the unceasing innovation and creates the good achievement by the legal management. Our company has complete production and processing equipment, which can be equipped with the best quality and best service according to different product requirements, so as to realize the seamless connection between the company's operation center and customers and the implementation of rapid response.

Product Details

NSV supplies Underground Fully Welded Ball Valves, trunnion mounted,that’s with extended stem,discharge vent sealant injection system when used for under-ground installations,valves with butt welding seam extended pipe can also be supplied to avoid possible damage to sealing surface during the installation.

STRUCTURAL FEATURES

1. Integral Valve Structure
It is welded by forged steel. The forging materials are subjected to ultrasonic examination according to ASME nondestructive flaw detection requirements. The welding slope on the connection face is subjected to liquid penetration examination.

2.Trunnion mounted ball valves

The ball is fixed and the seat rings are floating,free to move along the valve axis,side load generated by pressure acting on the ball is absorbed by bearing,at low pressure the seat sealing acting is achieved by the thrust of the springs acting on the seat.As the pressure increases the fluid pressure pushes the seat rings against the ball,making the sealing more reliable.

3. Extension Stem for underground
As for the fully welded ball valves with extended stem, the extension stem can be supplied if ground operation is needed. The extension stem is composed of stem, sealant injection valve, and drainage valve that can be extended to the top for the convenience of operation. Users should indicate the extension stem requirements and length when placing orders.

4.SEALING INJECTIONS

FAQ

1. Q:Does “NSV” valves have supply to any value end user?

A:Yes,,it just like PETROKIMIA GRESIK in Indonesia, BP Iraq,ESFAHAN MOBARAKEH STEEL In Iran etc.

2. Q:Does your company have any agent/distributor with the exception of China?

A: At present,we have agent in Indonesia,Singapore,Canada,Mexico,Iraq,and welcome contact us if you would like to join us.

3. Q: What’s your payment terms?

A: As our company’s policy, we normally have bellow 3 payment terms,it also can negotiation both parties before confirm order.
1) 100% T/T or West Union in advance that order value within $2,000.00USD.

2)30% T/T advance+70% balance after the shipment for the order value above $2,000.00USD.

3)L/C at sight for the order value above $50,000.00USD..

We will continue to expand our production scale and product range in an effort to become the leading Underground High-Performance Fully Welded Ball Valve manufacturer in the world. The company takes technological innovation as the driving force, takes product excellence as the goal, strives for survival with service and integrity, faces challenges and innovates continuously. The company adheres to 'survive by quality, seek development by reputation'. In order to meet the growing needs of the market, the company has established a perfect quality management system, strictly controlling every link from raw materials to finished products, so as to continuously improve product quality.