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. Specific requirements can be consulted.

Question 3

How about delivery time?

Accepted Answer

Export to Asia takes about 7-10 days. Export to Europe, Middle East, Africa, Americas takes about 30-35 days by sea.

Question 4

What's the medium for your valves?

Accepted Answer

Mostly used for water, gas, and oil. Please offer your medium during inquiry so we can suggest the best materials and valve type.

Question 5

Can ball valves regulate medium?

Accepted Answer

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

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 operate.

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 indicating 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 but the handwheel moves up and down when rotating.

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 helps keep the disc closed.

Question 10

Check Valve Introduce.

Accepted Answer

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

Question 11

What's the type of butterfly Valve?

Accepted Answer

Connection ends include lug, wafer, and double flange types. Design structures include concentric, double eccentric, and triple eccentric types.

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