Model 42 MW are clamped metal design diaphragm seals. They feature an interlocking male-female housing construction inside of the bolt circle for proper alignment. Welded diaphragm seals are designed to give a continuous filled system. They allow removal of the upper housing with instrument from the lower housing without losing fill. These seals are available in threaded models for pressure to 2500 PSI, and flange attached (42FW) for 150#, 300# or 600# ratings. All welded seals include a standard fill/bled port in the top housing. Standard lower housing and diaphragm construction is 316 stainless steel.

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