Question 1

How do you guarantee quality and handle defects?

Accepted Answer

We have a QC department that checks every processing step and provides reports. If quality problems occur during installation, we reply within 24 hours to solve them.

Question 2

What materials are available for the valves?

Accepted Answer

Available materials include Stainless Steel, Forged Stainless Steel, Alloy Steel, Duplex Steel, Titanium Alloy, Nickel-aluminum, and Bronze Alloy.

Question 3

What is the delivery time for orders?

Accepted Answer

Export to Asia takes about 7-10 days, while exports to Europe, Middle East, Africa, and Americas take about 30-35 days by sea. Factory production capacity is 8000 tons/year.

Question 4

What media are these valves suitable for?

Accepted Answer

They are mostly used for water, gas, and oil. We recommend providing your specific medium when inquiring so we can suggest the best material and valve type.

Question 5

Can ball valves be used to regulate medium flow?

Accepted Answer

No, ball valves cannot be used for regulating. They are designed as isolating valves only.

Question 6

What are quarter turn valves?

Accepted Answer

Quarter turn valves include Ball valves, Butterfly valves, and Plug valves. They are rotary motion control valves that require only a quarter turn to operate.

Question 7

What is the difference between rising stem and non-rising stem gate valves?

Accepted Answer

Rising stem gate valves show stem movement to indicate open/closed status but require more space. Non-rising stem valves have a smaller height and do not show stem movement when rotating the handwheel.

Question 8

What is the difference between gate valves and globe valves?

Accepted Answer

Gate valves are bi-directional, while globe valves are unidirectional with better sealing. Globe valves add pressure on the disc when closed, whereas gate valves add pressure on the wedge.

Question 9

What types of check valves are available?

Accepted Answer

Check valves are unidirectional and include swing type, lift type (piston and ball), vertical type, butterfly type, and wafer type (spring return, single disc, double disc).

Question 10

What are the types of butterfly valves?

Accepted Answer

By connection, they are lug, wafer, or double flange type. By design, they are concentric, double eccentric, or triple eccentric type.

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