Required Brass Valve of L.P Gas Bottles 1-Material: Brass Alloy ( Ms 58 ) Acc.to DIN 17660 or EN 12164 ( Cw 614N-Cw 617N ) 2-Vertical Thread: Acc to DIN 477, Right Hand Direction. Taper 3/25 Diameter 19.8 mm x 1.814 mm 3-Horizontal Thread : Acc. To DIN 477 Left hand Direction, Diameter 21.8 mm x 1.814 mm , Min. Thread length 9 mm degree F For more details please contact. If interested, contact soon for further discussion. 联系方式Co:A2Z Group Add:Paramkeh Freezone Bld.14 3d. Floor, Damascus, Syrian Arab Republic Tel:963-11-88280090 Fax:963-11-88280090 Email:a.dirhali@a2zeng-group.com联系人:Dr. Eng.国家:Syrian Arab Republic产品类别机械五金a.dirhali@a2zeng-group.com