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Yongjia NSV Valve Co., Ltd

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NPT Ball Valve
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Product: Views:501NPT Ball Valve 
Unit price: Negotiable
Delivery date: Since the payment date Days delivery
Valid until: Long-term effective
Last updated: 2019-07-12 20:51

Product Details

NSV this series of floating ball valves are applicable for opening/closing pipelines of water,petroleum products and steam. It opens and closes quickly and it has long life span,it is safe and reliable with low flow resistance.
The main scope of application is petrochemical industry, petroleum, metallurgy,paper making and pharmaceutical etc.

Applicable Standards:
Ball Valve design according to BS5351,MS SP-118
Face to face MFG STD
End NPT/SW/BW ANSI B1.12.1/ANSI B16.11/ANSI B16.25
Inspection and test API 598

Material: A105,F304,F316,ETC.
Size Range: 1/2"~3"
Pressure Rating: ASME CL, 150~2500

Design Description:
- Two Pieces or Three Pieces Body
- Metal or Soft Seated
- Full or Reduced Bore
- NPT,SW,BW,NIPPLE(100mm pipe) Ends
- Locking device
- ISO Mounting Pads (Optional)





Valve does not
rotate or operate

1. Packing is dropped too tightly.
2. The stem is torn or there is dirt
3. The times of on-off operation
are too many or there exists dirt
on the surface of the ball

1. Loose nuts and adjust again
2. Take apart the valve and clean the dirt

Ball/Seat Leaking

1. Valve not fully closed
2. Seat or ball damaged
3. Dirt trapped in valve

1. Close the valve tightly
2. Replace seat or ball
3. Clean the dirt

Stem Packing

1. Gland bolts loose
2. Packing damaged or missing
3. Seal misaligned

1. Tighten gland bolts
2. Replace packing (shut
down first)
3. Replace and aligned it

Body Gasket Leaking

1. Body bolts loose
2. Body gasket damaged

1. Tighten body bolts
2. Replace the gasket

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: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.

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