Question 1

How to guarantee your quality?

Accepted Answer

We have a QC department; inspectors check every step and report to clients. If any quality problems arise, we will check and reply within 24 hours to solve it.

Question 2

What's the materials of valves?

Accepted Answer

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

Question 3

How about 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.

Question 4

What's the medium for your valves?

Accepted Answer

Mostly used in water, gas, and oil. When inquiring, please offer your medium so we can suggest materials and valve types.

Question 5

Can ball valves regulate medium?

Accepted Answer

No, ball valves cannot be used for regulating; they are isolating valves.

Question 6

What are the quarter turn valves?

Accepted Answer

Ball valves, Butterfly valves, and Plug valves are rotary motion control valves that require only a quarter turn to come into action.

Question 7

What's the direction of valves?

Accepted Answer

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

Question 8

What's the difference between rising stem and non-rising stem of gate valve?

Accepted Answer

Rising stem valves show the stem position visually and require more installation space. Non-rising stem valves have a smaller height and the handwheel moves up and down without the stem rising.

Question 9

What's the difference of gate valve and globe valve?

Accepted Answer

Gate valves are bi-directional with parallel wedges. Globe valves are single-way with better sealing as fluid pressure aids the seal when closed.

Question 10

Check Valve Introduce.

Accepted Answer

Check valves are unidirectional valves (one-way valves) where flow direction is decided by the medium. Types include swing, lift, vertical, butterfly, and wafer types (spring return, single disc, double disc).

Question 11

What's the type of butterfly Valve?

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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