Mark 68G Series
Pressure Reducing Globe Valve, High Capacity, Accurate; Sizes: 1/4″ – 2″ (DN8 – DN50)
The Mark 68G delivers precise pressure regulation, exceptional flow capacity, and simple maintenance — all designed to keep your operations running smoothly. Its globe-style construction ensures reliable, accurate performance in demanding industrial applications, while the innovative bottom-entry design simplifies cleaning and repairs. With top-access to the diaphragm, many maintenance tasks can be performed in-line, reducing downtime and service costs. Choose the Mark 68G for superior control, easy serviceability, and long-term operational confidence.
- 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
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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
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