Question 1

How to guarantee quality and solve problems?

Accepted Answer

We have a QC department where inspectors check every step and report to clients. If quality problems occur, we check and reply within 24 hours to solve them. Please contact us for any issues.

Question 2

What materials are available for the valves?

Accepted Answer

Materials include Stainless Steel, Forged Stainless Steel, Alloy Steel, Duplex Steel, Titanium Alloy, Nickel-aluminum, Bronze Alloy, etc. Specific material requirements can be consulted at any time.

Question 3

What is the delivery time?

Accepted Answer

Export to Asia takes about 7-10 days. Export to Europe, Middle East, Africa, North America, and South America takes about 30-35 days by sea. Our factory is near Ningbo and Shanghai seaports.

Question 4

What media are the valves suitable for?

Accepted Answer

Mostly used in water, gas, and oil. When inquiring, it is better to offer your medium so we can suggest appropriate materials and valve types.

Question 5

Can ball valves regulate medium flow?

Accepted Answer

No, ball valves cannot be used for regulating. They are a kind of isolating valve.

Question 6

What are quarter turn valves?

Accepted Answer

Ball valves, Butterfly Valves, and Plug valves are rotary motion control valves. They only need a quarter turn to come into action.

Question 7

What is the direction of flow for different valves?

Accepted Answer

Ball Valves and gate valves are bi-directional. Globe valves, check valves, and y strainers have arrows on the valve body to indicate direction.

Question 8

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

Accepted Answer

Rising stem gate valves show closure status visually and require larger installation space. Non-rising stem gate valves have smaller height and do not take up much space during installation.

Question 9

What is the difference between gate valves and globe valves?

Accepted Answer

Gate valves are bi-directional with parallel wedges. Globe valves are single-way with fixed direction, have better sealing, and add pressure on the disc when closed.

Question 10

What is a Check Valve and what types are available?

Accepted Answer

Check valves are unidirectional valves (one-way or non-return). Types include swing, lift (piston and ball), vertical, butterfly, and wafer types (spring return, single disc, double disc).

Question 11

What are the types of butterfly valves?

Accepted Answer

For connection ends: lug type, wafer type, double flange type. For design structure: concentric type, double eccentric type, triple eccentric type.

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