.

Manual Worm Gear Metal to Metal Hard Seal Ball Valve

Product Description

Features of metal to metal ball valves are as follows: 

1) These valves have a good overall appearance and innovative design.

2) Bi-directional sealing structure, valve cavity is with the function of automatic overpressure relief.

3) Unique double internal support structure for ball, so switching torque is small and easy to operate.

4) Bi-directional sealing and full bore, with double block and bleed (DBB) fiction.

5) We use the combined seat structure with floating spring-loaded and mosaic preceding stage sealing.

6) Using double-sealed seat to better ensure the sealing performance of the valve.

7) Equipped with an emergency sealant injection system with an auxiliary valve seat seal emergency.

8) Newly-designed anti-blowout stem.

9) Unique split stuffing box structure.

10) It is to maintain and with long service life.

Applicable medium/service:

Chemical, petrochemical, power, oil and gas, gas, drilling platforms, gas supply, and water supply. etc.

Properties:

 Advanced hardening technologies have been adopted in producing ball and seat, such as Ultron-sonic spray coating, nick base spray welding, surface specially hardening, stellite spray welding and so on. The application temperature may up to 540ºC, the maximum is 980ºC.  The surface material also possesses good resistance properties of friction and impact.

1. Valve stuck prevented under high temperatures.

2. Excellent tightness functions.

3. An entire fire-safe structure.  

4. Natural anti-static structure 

6. Double block and bleed function.

FAQ

What' s your product range?


Knife gate valve,  gate valve, globe valves, check valves, ball valves, butterfly valves, slurry valves,  etc.

What information do you need if I want to inquiry?

The valve type, size, pressure, temperature, material, connection type, operation etc.

Do you have stock products?

Yes, we have half finish products for normal type, normal material in stock.

How long is your delivery time?

Usually 15-45 days, it is according to quantity. If custom-made products, shall be longer, please confirm with us.

How long is the warranty of your valves and flanges and pipe fittings?

Usually, 1 Year must be used in the right way.

Why Customers Choose You?

a.Technology: Coated Sand ensure good looking appearance, Resin Sand Environmental 

b.Sealing: Graphite Packing and Gasket, details of every part of the valve treatment

c.Annealing: Ensure the valve body is not easy to lose shape, increase using years.

d.Cutting: Robot cutting, ensure the quality and evenness and good looking.

e.Feedback: Very good feedback from our customers.

Contact us

 Mr. Kevin Liu

 Hebei Minerco Machinery & Equipment Co.,Ltd
 Add:  No.409,Caizhi Zhongxin,Fuxing Road,Baoding,Hebei,China. 
 Web:



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