High Pressure Sealed Bonnet Butt Welded Gate Valve

All of our Fully Welded Ball Valves, Tilting Disc Wafer Check Valve, PSB Cast Gate Valve meets the current national standards and industry standard product performance requirements. Quality assurance is a basic requirement for establishment and maintenance of the long-term cooperation relationship of the supply chain. As we believe that employees’ hard work and loyalty are the foundation of the company's sustainable growth, we adhere to the management philosophy of being responsible for employees. We persist with the business philosophy of 'taking the market as the criterion, taking the innovative technology as the guide'. Our product sales for many years in a row in the top of the peer. Amazing cost performance has won the praise and favor of users inside and outside the industry.

Product Details

NSV pressure seal flexible wedge gate valves are ideal for high pressure steam (main steam isolation), liquid (feedwater isolation), catalytic reformers, hydrocrackers and other tough services.

Applicable Standard
Design Standard: API 600, BS1414, DIN3352
Face to Face: ASME B16.10, EN 558, DIN3202
End Flange: ASME B16.5, ASME B16.47, DIN2533
Butt welding Ends: ASME B16.25, DIN3239
Inspection and Test: API 598, DIN3230

Products Range
Size: 4" ~ 24"(DN100 ~ DN600)
Rating: ANSI 900lb ~ 2500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic

Design Features
Full port design
OS&Y, outside and screw
Pressure Seal Bonnet, back seal structure
Flexible wedge, fully guided
Renewable or welded seat
Flanged or butt-welding ends

STRUCTURAL FEATURES

· Flexible wedge offers superior tightness of seats and freedom from sticking.

· Wedge guiding minimizes seat rubbing and scuffing resulting in long cycle life.

· Designed to ASME B16.34.

· Optional live-loading of packing.

· Non-rotating stem.

FAQ

1. Q:What’s the packing for shipping?

A:Its carton for small valves(sample) and plywood case(don’t to fumigate).

2. 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.

3. Q: What’s the valves warranty?
A: Our valves warranty period should be 18 months from the date of shipment or 12 months after installation, whichever occurs first.

Honesty is the foundation of an enterprise, and we have always followed the 'honesty-based' business philosophy to provide first-class High Pressure Sealed Bonnet Butt Welded Gate Valve to the customers all over the world. We also offer fantastic OEM provider to numerous famous brands. The core of our enterprise is: 'discipline, pragmatism, integrity, cooperation, service'.