Top Valve Back Pressure Valve; 15–150 PSIG, 316L Stainless Steel, 3/4″ NPT

Top Valve Back Pressure Valve; 15–150 PSIG, 316L Stainless Steel, 3/4″ NPT

The Top Valve series of diaphragm‑style back pressure valves provides stable, adjustable back pressure for metering pumps, improving dosing accuracy and preventing siphoning. This 316L stainless‑steel model offers maximum corrosion resistance and durability for demanding industrial, chemical, and high‑purity applications. The valve features a PTFE‑laminated, EPDM‑backed diaphragm and is certified to NSF/ANSI 61 for drinking‑water system components.

Key Features

• Certified to NSF/ANSI 61 for drinking‑water system components
• Adjustable back pressure range from 15 to 150 PSIG
• 3/4″ female NPT inlet and outlet connections
• 316L stainless‑steel body and top for superior corrosion resistance
• PTFE‑laminated, EPDM‑backed diaphragm
• Factory set pressure: 50 PSIG (unless otherwise specified)

Technical Specifications

• Model Number: TVBP75‑SS‑S
• Material — Body: 316L Stainless Steel
• Material — Top: 316L Stainless Steel
• Valve Type: Back pressure valve
• Connection Size: 3/4″ NPT (F), inlet and outlet
• Connection Type: Threaded NPT, ANSI/ASME
• Diaphragm: PTFE‑laminated, EPDM‑backed
• Maximum Pressure: 150 PSIG @ 70°F (21°C)
• Maximum Temperature: 180°F (82°C)
• Adjustable Pressure Range: 15–150 PSIG (1–10 BARG)
• Factory Set Pressure: 50 PSIG (3.4 BARG)
• Gauge Port: Not equipped (optional)
• Certifications: NSF/ANSI 61

This stainless‑steel back pressure valve is ideal for chemical feed systems, metering pump installations, water treatment, high‑purity applications, and environments requiring maximum corrosion resistance with stable back pressure control.