Mark 68G Series

• Simplified Maintenance & Serviceability: Bottom-entry design provides direct access to the plug, stem, and seat for fast, easy servicing. The diaphragm is accessible from the top, enabling in-line maintenance and minimizing downtime
• Exceptional Control Accuracy: A large effective diaphragm area minimizes droop, delivering highly accurate and sensitive pressure regulation for consistent system performance.
• High Flow Capacity: Oversized orifices and body passages allow for superior flow rates, meeting the demands of high-capacity industrial processes.
• Reliable Shutoff Performance: Choose between hard (ANSI Class IV) or soft (ANSI Class VI bubble-tight) shutoff options to ensure dependable sealing for your specific application.
• Versatile Application Range: Designed to handle differential pressures up to 300 psi (21 bar), the Mark 68G is ideal for regulating water, air, oil, gas, steam, and a wide variety of chemical media.

Sizes: 1/4″ – 2″ (DN8 – DN50)

Body Material: Ductile Iron, Bronze, Carbon Steel, Stainless Steel

End Connection: Threaded, Flanged, Socket Weld

Diaphragm: Stainless Steel, Jorlon, Buna-N/Nylon, Viton/Nomex

Seat: Plug – Buna N, Viton, Hardened 17-4 pH Stainless Steel, EPDM

Cv (Kv): up to 19 (up to 16,3)

Max Inlet Pressure: 300 psi (20,7 bar)

• CRN (Canadian Registration Number)
  Mark 68G: 1/4″ – 2″
• ATEX Certified

1/4″ Mark 68G Series All materials with BSPT Ends
1/4″ Mark 68G Series All materials with FNPT Ends

3/8″ Mark 68G Series All materials with BSPP Ends
3/8″ Mark 68G Series All materials with FNPT Ends

1/2″ Mark 68G Series All materials with BSPP Ends
1/2″ Mark 68G Series All materials with BSPT Ends
1/2″ Mark 68G Series All materials with Welded 300# Flanged Ends
1/2″ Mark 68G Series All materials with Welded 150# Flanged Ends
1/2″ Mark 68G Series All materials with FNPT Ends

3/4″ Mark 68G Series All materials with BSPP Ends
3/4″ Mark 68G Series All materials with BSPT Ends
3/4″ Mark 68G Series All materials with FNPT Ends

1″ Mark 68G Series All materials with BSPP Ends
1″ Mark 68G Series All materials with BSPT Ends
1″ Mark 68G Series All materials with Welded 300# Flanged Ends
1″ Mark 68G Series All materials with Welded 150# Flanged Ends
1″ Mark 68G Series All materials with FNPT Ends

1-1/4″ Mark 68G Series All materials with BSPP Ends
1-1/4″ Mark 68G Series All materials with FNPT Ends

1-1/2″ Mark 68G Series All materials with Welded 150# Flanged Ends
1-1/2″ Mark 68G Series All materials with FNPT Ends

2″ Mark 68G Series All materials with FNPT Ends
2″ Mark 68G Series All materials with Welded 150# Flanged Ends