Panam Engineers Pvt. Ltd. Supplies Needle Valves with 2 Parts Stem Tip Arrangements, H. P. Series. Panam Engineers Pvt. Ltd. Is an ISO 9001:2000 certified company. The Needle Valves with 2 Parts Stem Tip Arrangements feature Screwed Bonnet or Union Bonnet Connection. These are provided with stellited or Metal to metal seat suitable for high pressure. These valves feature one piece body without welds. Maximum Working Pressure of these Needle Valves with 2 Parts Stem Tip Arrangements are 10,000 PSI [400 bar] at 200 deg C. 20,000 PSI [700 bar] at 120 deg C.