Model DA1 Rev E Pressure Reducing Regulator; 3/4" Line Size; Hastelloy C Body With Stainless Steel Spring Chamber; Special Hastelloy Trim, EPDM Seat, EPDM Diaphragm, EPDM Static Seal, EPDM O-Ring Dynamic Seal; Special Tri-Clamp (Type A) End Connections; 10-35 PSIG Range Spring; Internal Sensing; FDA Certificates Provided with Soft Goods