
St37.0 Underground Fully Welded Ball Valve with Trunnion Mounting Pad
Our company adheres to the business philosophy of 'responsibility wins respect, innovation wins competition', abides by the principle of honesty and mutual benefit, and contributes to the industry of PSB Forged Check Valve, Forged Lift Check Valve, Non-Slam Nozzle Check Valve. Through our efforts, we have established a stable and long-term international market, and have good cooperative relationships with numerous domestic manufacturers. In fact, we believe that diversity drives innovation, and equal opportunities are the key to building a diverse competitive team. We are eager to provide customers with returns and unexpected surprises beyond their expectations. We always adhere to the corporate policy of 'all-round adapting to and satisfying the market', and put product quality at the core of the company, providing new and better products and services for new and old customers, and create value for customers.
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 deepen the development in the field of manufacturing St37.0 Underground Fully Welded Ball Valve with Trunnion Mounting Pad, and win the trust of our customers with the best products, best services, and best reputation. Only we've got better and better quality, could we achieve our customers and ourselves, too. 'Control the standard by the details, show the toughness by quality'.
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