Trunnion Mounted Underground Fully Welded Ball Valve

Our quality is the capital of our survival. We strictly require that every person, every link of production, every process should be supervised by professionals. Finally, each Monoflange Valve, Tilting Disc Wafer Check Valve, C95800 Wafer Check Valve should be inspected. We do shipment is all good products. We have introduced fully automatic modern production lines and advanced equipment in order to meet the needs of the market. We try to create the best quality products with the spirit of excellence and innovation and the tenet of quality first and customer first. Our Company policy is 'quality first, to be better and stronger, sustainable development'. We have rich experience in export.

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..

More than 90% of our Trunnion Mounted Underground Fully Welded Ball Valve are independently developed and produced to meet the requirements of factory direct sales, which can save you costs. Our company has a skillful sales team, strong economic foundation, great technical force, advanced equipment, complete testing means, and excellent after-sales services. We will make progress together with the market relying on the position of the world factory and making full use of talent advantages, cost advantages, and local advantages.