Underground Fully Welded Ball Valve

Our items are commonly identified and trusted by customers and may fulfill continuously switching economic and social wants of Butterfly Valves, Angle Pattern Globe Valve, PSB Forged Check Valve. Our company warmly welcome friends from all over the world to visit, investigate and negotiate business. Welcome around the world consumers to speak to us for organization and long-term cooperation. We will provide better service, keep improving and innovating, accept the suggestions and opinions of customers, let our products carry your goods around the world. With our solid capital and technical strength, our research and development and manufacturing capabilities have reached the international advanced level.

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 persistently pursue perfect quality and use our unremitting efforts to become a trusted partner of Underground Fully Welded Ball Valve for customers! Our company follows the sustainable scientific development concept, creating a core culture of positive energy, and we propose a set of rigorous work thinking system based on the unity of knowledge and practice, to better offer our service. Meeting customers' needs with advanced technology, mature products and perfect services is our company's business tenet.