According to the integrity of flange and equipment or pipe connection:

1. Integral flange

Flat welding flange: for temperature, pressure is not too high occasions. (There are specific temperature and pressure values in the standard)

Butt welding flange: suitable for high pressure, high temperature and toxic, flammable, explosive important occasions. Cost is high

If you have any questions, please contact us. Our company can produce various customized needles, medical needles, puncture needles, hypodermic needles, biopsy needles, vaccine needles, injection needles, syringe needles, veterinary needles, pencil point needle, ovum pick up needles, spinal needles, etc. If you need customized needle products, please contact us. We look forward to your inquiry! The quality of the products manufactured in our factory will surely satisfy you!

Please contact us if you need: zhang@sz-manners.com