All static elements are made of temperature insensitive, helical wound, 316 stainless steel bourdon tubes, which meet N.A.C.E. Mr-0175 standards and feature a full 17 degrees of rotation. We can meet all of your needs, whether it is as low as 25 psi or as high as 30,000 psi, we have what you are looking for to make your job a success. All static elements 10,000 psi and bellow feature a ¼” FNPT Connection and all elements above 10,000 psi feature a welded lead line with ¼” Female Autoclave Connection.