Product Description Features: 1. Design & Manufacture: GB12234 2. Face to Face Dimension: GB12221 (long structure series), JB97 3. Flanged Dimension: JB78, JB79, GB9113, HG, SH 4. Inspect & Test: GB/T13927 5. Suitable Temperatures: ≤100, ≤120, ≤150 (Depends on Lining & Diaphragm Materials) 6. Type of operation: Hand Wheel, Pneumatic, Electric. Materials: Body/Bonnet: Carbon Steel, Stainless Steel, Ultra Low Carbon Stainless Steel Lining: Fluorine Plastic Disc: Carbon Steel Fully Covered With Fluorine Plastic Yoke: Carbon Steel Stem: 2Cr13, 1Cr18Ni9, Partially Covered With Fluorine Plastic Hand wheel: Cast Iron, Carbon Steel