THREADED FLOW THRU DIAPHRAGM SEAL

Threaded Flow Thru Diaphragm Seal is ideal for installation in applications requiring little interruption to process flow. The W540 is available in threaded connections up to 2 NPT.

Specifications

Construction Materials

Diaphragm: 316SS, Hast C-276, Tantalum, Monel, or others Lower Housing: 316SS, Hast C-276, Monel, or others Gasket: PTFE, Grafoil, or Klinger Upper Housing: 316SS Standard

Process Temperature Limits

Metallic Lower Limit (F) PTFE Gasket -110/350 Klinger Gasket -110/450 Grafoil Gasket -40/600 EPDM 300 Natural Rubber 212

Ambient Temperature Limits

Determined by the Pressure Instrument

Minimum Recommended Span

W540 2.5 & 3.5 Gauges 15 psi 4, 4.5, & 6 Gauges 30 psi Transmitter (Gauge Pressure) 150 H2O Transmitter (Differential Pressure) 300 H2O Differential Pressure Gauge (D40/42 Only) N/A

Maximum Working Pressure at 100F

Bolts Grade 5 Grade 8 18/8SS 316SS Metallic Lower W540 2,500 psi 2,500 psi 1,500 psi 1,500 psi

Weight

Metallic Lower: 4.5lbs.

Data Sheet

Download Datasheet

Installation Instructions

Download Installation Instructions:

• Diaphragm Seal Installation Instructions DSINST-0223 (PDF)
• Torque Specification Reference Sheet ETB012-X01-0822 (PDF)