Cast Steel Wcb Non Rising Stem Resilient Gate Valve

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Product Details

NSV Non-rising stem gate valves it is usually suitable for tight places where there is not enough room for the stem to raise, for example, places with underground pipes. The non-rising stem gate valve is fully open when the handle is rotated as far as possible to the left and fully closed when the handle is rotated as far as possible to the right. In both cases the handle is flush with the pipe because the mechanism inside the pipe opens and closes the valve without raising the stem. Another advantage to the non-rising stem gate valve is that it is easier to padlock. With the rising stem gate valve, two different size padlocks could be needed to lock the valve open and closed. With the non-rising gate valve one padlock is enough. But the disadvantage of a non rising stem valve is the fact that the screw threads that lift the gate are exposed to the fluid being controlled by the valve. This can cause problems if the fluid tends to foul the threads, so non rising stem valves are usually only used on clean liquids and gases.

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: 2" ~ 60"(DN50 ~ DN1500)
Rating: ANSI 150lb ~ 2500lb
Body Materials: Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim: Per API 600
Operation: Handwheel, Gear, Electric, Pneumatic, Hydraulic

Design Features
NSR
Bolted bonnet, back seal structure
Flexible wedge, fully guided
Flanged or butt-welding ends

FAQ
1. Q:Do you have any valve in stock?
A:There have a lot of GGC valves(2"&within) in stock,and that can delivery within one week.

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:Is there have MOQ?
A：No.we can accept 1set,but there have additional cost $150.00(process of export) if the order value within $2000.00.

We use excellent production equipment, advanced production technology and scientific management methods to ensure the excellent quality of our Cast Steel Wcb Non Rising Stem Resilient Gate Valve. With professional work, we have injected new vitality into many new and old enterprise brands, effectively enhanced the added value of the brand, expanded the popularity of the enterprise and made the enterprise and brand more outstanding on the broad market stage. In the fiercely competitive domestic and foreign markets, we always aim to build a global strategy, and actively promote technology and quality innovation with a higher structure.