Lost Wax Cating Female Thread DN20 SS Needle Valve

The SS needle valve has good sealing performance and long service life.The SS needle valve of instrument is an important part of instrument measurement pipeline system. The SS needle valvee mainly includes stop valve and ball valve. The function of SS needle valve is to open or cut off the pipeline channel. First of all, the anti-corrosion of the valve body is mainly the correct selection of materials.

Selection principle :

Stainless acid resistant SS needle valve is used for stainless acid resistant steel valve with nominal pressure PN ≤ 6.4Mpa and temperature lower than or equal to 200 ℃ for nitric acid, acetic acid and other media.

1. The low temperature SS needle valve with valve cover should be selected for the pipeline system and device of low temperature medium.

2. Lifting rod SS needle valve can be used in pipeline system of FCC unit in oil refining unit.

3. All SS needle valve made of austenitic stainless steel with PTFE as seat sealing ring should be used in the equipment and piping system of corrosive medium such as acid and alkali in chemical system.

4. Metal to metal sealing SS needle valve can be used in high temperature medium pipeline system or device in metallurgical system, power system, petrochemical plant and urban heating system.

FAQ

Q:Do you test all your goods before delivery?

A: Yes, we have 100% test before delivery

Q:Do you offer customization or OEM service?

A:Yes. We offer OEM service. We accept custom design and we have a professional design team who can design products based on your requirements. And we can develop new products according to your samples or drawings. But if Brand OEM,please offer the brand letter of authorization to me for exporting later.

Q:Wat's seller's Shipping method ?

A: It means that we will choose a better shipping method such as DHL/UPS/EMS/FEDEX which is according to your country.

Q: How do you make our business long-term and good relationship?

A:1. We keep good quality and competitive price to ensure our customers benefit ;

2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.

Q:How do you control the quality?

A:We will arrange sample confirmation before production. During the production, we have professional QC staffs control the quality and manufacture in accordance to the confirmed sample. We will also guarantee the accuracy of packaging and send you shipping sample.