Diaphragm Seal with Black Aluminium Made Adjustable Pointer is a process industry gauge which requires hydraulic fluid to transmit pressure and is used for corrosive contaminated or viscous media. Diaphragm Seal with Black Aluminium Made Adjustable Pointer is manufactured by Wika Instruments India Pvt. Ltd which is an ISO 9001 certified company. The Company also manufactures various types of pressure, temperature, and levelÿmeasurement instruments. The Diaphragm Seal with Black Aluminium Made Adjustable Pointer has maximum pressure of 5000 PSI. This Diaphragm Seal has white aluminium dial with black lettering. This Diaphragm Seal is available in a case made of fibreglass reinforced thermoplastic.